mirror of
https://github.com/mjl-/mox.git
synced 2024-12-27 08:53:48 +03:00
0099197d00
localserve creates a config for listening on localhost for imap/smtp/submission/http, on port numbers 1000 + the common service port numbers. all incoming email is accepted (if checks pass), and a few pattern in localparts are recognized and result in delivery errors.
411 lines
32 KiB
Go
411 lines
32 KiB
Go
package smtpserver
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/mjl-/bstore"
|
|
|
|
"github.com/mjl-/mox/dns"
|
|
"github.com/mjl-/mox/publicsuffix"
|
|
"github.com/mjl-/mox/smtp"
|
|
"github.com/mjl-/mox/store"
|
|
)
|
|
|
|
func TestReputation(t *testing.T) {
|
|
boolptr := func(v bool) *bool {
|
|
return &v
|
|
}
|
|
xtrue := boolptr(true)
|
|
xfalse := boolptr(false)
|
|
|
|
now := time.Now()
|
|
var uidgen store.UID
|
|
|
|
message := func(junk bool, ageDays int, ehlo, mailfrom, msgfrom, rcptto string, msgfromvalidation store.Validation, dkimDomains []string, mailfromValid, ehloValid bool, ip string) store.Message {
|
|
|
|
mailFromValidation := store.ValidationNone
|
|
if mailfromValid {
|
|
mailFromValidation = store.ValidationPass
|
|
}
|
|
ehloValidation := store.ValidationNone
|
|
if ehloValid {
|
|
ehloValidation = store.ValidationPass
|
|
}
|
|
|
|
msgFrom, err := smtp.ParseAddress(msgfrom)
|
|
if err != nil {
|
|
panic(fmt.Errorf("parsing msgfrom %q: %w", msgfrom, err))
|
|
}
|
|
|
|
rcptTo, err := smtp.ParseAddress(rcptto)
|
|
if err != nil {
|
|
panic(fmt.Errorf("parsing rcptto %q: %w", rcptto, err))
|
|
}
|
|
|
|
mailFrom := msgFrom
|
|
if mailfrom != "" {
|
|
mailFrom, err = smtp.ParseAddress(mailfrom)
|
|
if err != nil {
|
|
panic(fmt.Errorf("parsing mailfrom %q: %w", mailfrom, err))
|
|
}
|
|
}
|
|
|
|
ipmasked1, ipmasked2, ipmasked3 := ipmasked(net.ParseIP(ip))
|
|
|
|
uidgen++
|
|
m := store.Message{
|
|
UID: uidgen, // Not relevant here.
|
|
MailboxID: 1,
|
|
MailboxOrigID: 1,
|
|
Received: now.Add(time.Duration(-ageDays) * 24 * time.Hour),
|
|
RemoteIP: ip,
|
|
RemoteIPMasked1: ipmasked1,
|
|
RemoteIPMasked2: ipmasked2,
|
|
RemoteIPMasked3: ipmasked3,
|
|
|
|
EHLODomain: ehlo,
|
|
MailFrom: mailfrom,
|
|
MailFromLocalpart: mailFrom.Localpart,
|
|
MailFromDomain: mailFrom.Domain.Name(),
|
|
RcptToLocalpart: rcptTo.Localpart,
|
|
RcptToDomain: rcptTo.Domain.Name(),
|
|
|
|
MsgFromLocalpart: msgFrom.Localpart,
|
|
MsgFromDomain: msgFrom.Domain.Name(),
|
|
MsgFromOrgDomain: publicsuffix.Lookup(context.Background(), msgFrom.Domain).Name(),
|
|
|
|
MailFromValidated: mailfromValid,
|
|
EHLOValidated: ehloValid,
|
|
MsgFromValidated: msgfromvalidation == store.ValidationStrict || msgfromvalidation == store.ValidationRelaxed || msgfromvalidation == store.ValidationDMARC,
|
|
|
|
MailFromValidation: mailFromValidation,
|
|
EHLOValidation: ehloValidation,
|
|
MsgFromValidation: msgfromvalidation,
|
|
|
|
DKIMDomains: dkimDomains,
|
|
|
|
Flags: store.Flags{
|
|
Junk: junk,
|
|
Notjunk: !junk,
|
|
},
|
|
}
|
|
return m
|
|
}
|
|
|
|
check := func(m store.Message, history []store.Message, expJunk *bool, expConclusive bool, expMethod reputationMethod) {
|
|
t.Helper()
|
|
|
|
p := "../testdata/smtpserver-reputation.db"
|
|
defer os.Remove(p)
|
|
|
|
db, err := bstore.Open(p, &bstore.Options{Timeout: 5 * time.Second}, store.Message{}, store.Recipient{}, store.Mailbox{})
|
|
tcheck(t, err, "open db")
|
|
defer db.Close()
|
|
|
|
err = db.Write(func(tx *bstore.Tx) error {
|
|
err = tx.Insert(&store.Mailbox{ID: 1, Name: "Inbox"})
|
|
tcheck(t, err, "insert into db")
|
|
|
|
for _, hm := range history {
|
|
err := tx.Insert(&hm)
|
|
tcheck(t, err, "insert message")
|
|
|
|
rcptToDomain, err := dns.ParseDomain(hm.RcptToDomain)
|
|
tcheck(t, err, "parse rcptToDomain")
|
|
rcptToOrgDomain := publicsuffix.Lookup(context.Background(), rcptToDomain)
|
|
r := store.Recipient{MessageID: hm.ID, Localpart: hm.RcptToLocalpart, Domain: hm.RcptToDomain, OrgDomain: rcptToOrgDomain.Name(), Sent: hm.Received}
|
|
err = tx.Insert(&r)
|
|
tcheck(t, err, "insert recipient")
|
|
}
|
|
|
|
return nil
|
|
})
|
|
tcheck(t, err, "commit")
|
|
|
|
var isjunk *bool
|
|
var conclusive bool
|
|
var method reputationMethod
|
|
err = db.Read(func(tx *bstore.Tx) error {
|
|
var err error
|
|
isjunk, conclusive, method, err = reputation(tx, xlog, &m)
|
|
return err
|
|
})
|
|
tcheck(t, err, "read tx")
|
|
|
|
if method != expMethod {
|
|
t.Fatalf("got method %q, expected %q", method, expMethod)
|
|
}
|
|
if conclusive != expConclusive {
|
|
t.Fatalf("got conclusive %v, expected %v", conclusive, expConclusive)
|
|
}
|
|
if (isjunk == nil) != (expJunk == nil) || (isjunk != nil && expJunk != nil && *isjunk != *expJunk) {
|
|
t.Fatalf("got isjunk %v, expected %v", isjunk, expJunk)
|
|
}
|
|
}
|
|
|
|
var msgs []store.Message
|
|
var m store.Message
|
|
|
|
msgs = []store.Message{
|
|
message(false, 4, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationDMARC, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 3, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 2, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"), // causes accept
|
|
message(true, 1, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationRelaxed, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationDMARC, []string{"othersite.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xfalse, true, methodMsgfromFull)
|
|
|
|
// Two most recents are spam, reject.
|
|
msgs = []store.Message{
|
|
message(false, 3, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 2, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 1, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationDMARC, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, methodMsgfromFull)
|
|
|
|
// If localpart matches, other localsparts are not used.
|
|
msgs = []store.Message{
|
|
message(true, 3, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 2, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationRelaxed, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 1, "host.othersite.example", "", "b@remote.example", "mjl@local.example", store.ValidationDMARC, []string{"othersite.example"}, true, true, "10.0.0.1"), // other localpart, ignored
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationRelaxed, []string{"othersite.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, methodMsgfromFull)
|
|
|
|
// Incoming message, we have only seen other unverified msgs from sender.
|
|
msgs = []store.Message{
|
|
message(true, 3, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationNone, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 2, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationNone, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationNone, []string{"othersite.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, false, methodMsgfromFull)
|
|
|
|
// Incoming message, we have only seen verified msgs from sender, and at least two, so this is a likely but inconclusive spam.
|
|
msgs = []store.Message{
|
|
message(false, 3, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1"),
|
|
message(false, 2, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationNone, []string{}, false, false, "10.10.0.1")
|
|
check(m, msgs, xtrue, false, methodMsgfromFull)
|
|
|
|
// Incoming message, we have only seen 1 verified message from sender, so inconclusive for reject.
|
|
msgs = []store.Message{
|
|
message(false, 2, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationNone, []string{}, false, false, "10.10.0.1")
|
|
check(m, msgs, xtrue, false, methodMsgfromFull)
|
|
|
|
// Incoming message, we have only seen 1 verified message from sender, and it was spam, so we can safely reject.
|
|
msgs = []store.Message{
|
|
message(true, 2, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationNone, []string{}, false, false, "10.10.0.1")
|
|
check(m, msgs, xtrue, true, methodMsgfromFull)
|
|
|
|
// We received spam from other senders in the domain, but we sent to msgfrom.
|
|
msgs = []store.Message{
|
|
message(true, 3, "host.othersite.example", "", "a@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1"), // other localpart
|
|
message(false, 2, "host.local.example", "", "mjl@local.example", "other@remote.example", store.ValidationNone, []string{}, false, false, "127.0.0.1"), // we sent to remote, accept
|
|
message(true, 1, "host.othersite.example", "", "a@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1"), // other localpart
|
|
message(true, 1, "host.othersite.example", "", "a@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1"), // other localpart
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationNone, []string{}, false, false, "10.10.0.1")
|
|
check(m, msgs, xfalse, true, methodMsgtoFull)
|
|
|
|
// Other messages in same domain, inconclusive.
|
|
msgs = []store.Message{
|
|
message(true, 7*30, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 3*30, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 3*30, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 3*30, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 3*30, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 8, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 8, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 4, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 2, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 1, "host.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, nil, false, methodMsgfromDomain)
|
|
|
|
// Mostly ham, so we'll allow it.
|
|
msgs = []store.Message{
|
|
message(false, 7*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 3*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 3*30, "host2.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite3.example"}, true, true, "10.0.0.2"),
|
|
message(false, 3*30, "host2.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.2"),
|
|
message(false, 3*30, "host3.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(false, 8, "host3.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.100"),
|
|
message(false, 8, "host4.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.4"),
|
|
message(false, 4, "host4.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.4"),
|
|
message(false, 2, "host5.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.10.0.5"),
|
|
message(true, 1, "host5.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"none.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example", "othersite3.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xfalse, true, methodMsgfromDomain)
|
|
|
|
// Not clearly spam, so inconclusive.
|
|
msgs = []store.Message{
|
|
message(true, 3*30, "host3.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host5.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.10.0.5"),
|
|
message(false, 1, "host5.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"none.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example", "othersite3.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, nil, false, methodMsgfromDomain)
|
|
|
|
// We only received spam from this domain by at least 3 localparts: reject.
|
|
msgs = []store.Message{
|
|
message(true, 3*30, "host3.othersite.example", "", "a@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "", "b@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host5.othersite.example", "", "c@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.10.0.5"),
|
|
message(true, 1, "host5.othersite.example", "", "c@remote.example", "mjl@local.example", store.ValidationStrict, []string{"none.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example", "othersite3.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, methodMsgfromDomain)
|
|
|
|
// We only received spam from this org domain by at least 3 localparts. so reject.
|
|
msgs = []store.Message{
|
|
message(true, 3*30, "host3.othersite.example", "", "a@a.remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "", "b@b.remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host5.othersite.example", "", "c@c.remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.10.0.5"),
|
|
message(true, 1, "host5.othersite.example", "", "c@c.remote.example", "mjl@local.example", store.ValidationStrict, []string{"none.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@d.remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example", "othersite3.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, methodMsgfromOrgDomain)
|
|
|
|
// We've only seen spam, but we don"t want to reject an entire domain with only 2 froms, so inconclusive.
|
|
msgs = []store.Message{
|
|
message(true, 2*30, "host3.othersite.example", "", "a@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "", "a@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host5.othersite.example", "", "b@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.10.0.5"),
|
|
message(true, 1, "host5.othersite.example", "", "b@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, false, methodMsgfromDomain)
|
|
|
|
// we"ve only seen spam, but we don"t want to reject an entire orgdomain with only 2 froms, so inconclusive.
|
|
msgs = []store.Message{
|
|
message(true, 2*30, "host3.othersite.example", "", "a@a.remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "", "a@a.remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host5.othersite.example", "", "b@b.remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.10.0.5"),
|
|
message(true, 1, "host5.othersite.example", "", "b@b.remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host.othersite.example", "", "other@remote.example", "mjl@local.example", store.ValidationStrict, []string{"remote.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, false, methodMsgfromOrgDomain)
|
|
|
|
// All dkim/spf signs are good, so accept.
|
|
msgs = []store.Message{
|
|
message(false, 2*30, "host3.esp.example", "bulk@esp.example", "a@espcustomer1.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.100"),
|
|
message(false, 4, "host4.esp.example", "bulk@esp.example", "b@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.4"),
|
|
message(false, 2, "host5.esp.example", "bulk@esp.example", "c@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.10.0.5"),
|
|
message(false, 1, "host5.esp.example", "bulk@esp.example", "d@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer2.example", "esp.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host3.esp.example", "bulk@esp.example", "other@espcustomer3.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer3.example", "esp.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xfalse, true, "dkimspf")
|
|
|
|
// All dkim/spf signs are bad, so reject.
|
|
msgs = []store.Message{
|
|
message(true, 2*30, "host3.esp.example", "bulk@esp.example", "a@espcustomer1.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.esp.example", "bulk@esp.example", "b@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host5.esp.example", "bulk@esp.example", "c@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.10.0.5"),
|
|
message(true, 1, "host5.esp.example", "bulk@esp.example", "d@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer2.example", "esp.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host3.esp.example", "bulk@esp.example", "other@espcustomer3.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer3.example", "esp.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, "dkimspf")
|
|
|
|
// Mixed dkim/spf signals, inconclusive.
|
|
msgs = []store.Message{
|
|
message(false, 2*30, "host3.esp.example", "bulk@esp.example", "a@espcustomer1.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.100"),
|
|
message(false, 4, "host4.esp.example", "bulk@esp.example", "b@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host5.esp.example", "bulk@esp.example", "c@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.10.0.5"),
|
|
message(true, 1, "host5.esp.example", "bulk@esp.example", "d@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer2.example", "esp.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host3.esp.example", "bulk@esp.example", "other@espcustomer3.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer3.example", "esp.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, nil, false, "dkimspf")
|
|
|
|
// Just one dkim/spf message, enough for accept.
|
|
msgs = []store.Message{
|
|
message(false, 4, "host4.esp.example", "bulk@esp.example", "b@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.4"),
|
|
}
|
|
m = message(false, 0, "host3.esp.example", "bulk@esp.example", "other@espcustomer3.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer3.example", "esp.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xfalse, true, "dkimspf")
|
|
|
|
// Just one dkim/spf message, not enough for reject.
|
|
msgs = []store.Message{
|
|
message(true, 4, "host4.esp.example", "bulk@esp.example", "b@espcustomer2.example", "mjl@local.example", store.ValidationNone, []string{"esp.example"}, true, true, "10.0.0.4"),
|
|
}
|
|
m = message(false, 0, "host3.esp.example", "bulk@esp.example", "other@espcustomer3.example", "mjl@local.example", store.ValidationNone, []string{"espcustomer3.example", "esp.example"}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, false, "dkimspf")
|
|
|
|
// The exact IP is almost bad, but we need 3 msgs. Other IPs don't matter.
|
|
msgs = []store.Message{
|
|
message(false, 7*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"), // too old
|
|
message(true, 4*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 2*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 1*30, "host2.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite3.example"}, true, true, "10.0.0.2"), // irrelevant
|
|
}
|
|
m = message(false, 0, "host.different.example", "sender@different.example", "other@other.example", "mjl@local.example", store.ValidationStrict, []string{}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, false, "ip1")
|
|
|
|
// The exact IP is almost ok, so accept.
|
|
msgs = []store.Message{
|
|
message(true, 7*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"), // too old
|
|
message(false, 2*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 2*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 2*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(false, 1*30, "host2.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite3.example"}, true, true, "10.0.0.2"), // irrelevant
|
|
}
|
|
m = message(false, 0, "host.different.example", "sender@different.example", "other@other.example", "mjl@local.example", store.ValidationStrict, []string{}, true, true, "10.0.0.1")
|
|
check(m, msgs, xfalse, true, "ip1")
|
|
|
|
// The exact IP is bad, with enough msgs. Other IPs don't matter.
|
|
msgs = []store.Message{
|
|
message(true, 4*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"), // too old
|
|
message(true, 2*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 2*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 1*30, "host1.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.1"),
|
|
message(true, 1*30, "host2.othersite.example", "", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite3.example"}, true, true, "10.0.0.2"), // irrelevant
|
|
}
|
|
m = message(false, 0, "host.different.example", "sender@different.example", "other@other.example", "mjl@local.example", store.ValidationStrict, []string{}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, "ip1")
|
|
|
|
// No exact ip match, nearby IPs (we need 5) are all bad, so reject.
|
|
msgs = []store.Message{
|
|
message(true, 2*30, "host2.othersite.example", "sender3@othersite3.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite3.example"}, true, true, "10.0.0.2"),
|
|
message(true, 2*30, "host2.othersite.example", "sender@othersite2.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.2"),
|
|
message(false, 2*30, "host3.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"), // other ip
|
|
message(false, 8, "host3.othersite.example", "sender@othersite2.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.100"), // other ip
|
|
message(true, 8, "host4.othersite.example", "sender@othersite2.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.4"),
|
|
message(true, 4, "host4.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.4"),
|
|
message(true, 2, "host4.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.4"),
|
|
message(false, 2, "host5.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.10.0.5"), // other ip
|
|
message(false, 1, "host5.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"none.example"}, true, true, "10.10.0.5"), // other ip
|
|
}
|
|
m = message(false, 0, "host.different.example", "sender@different.example", "other@other.example", "mjl@local.example", store.ValidationStrict, []string{}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, "ip2")
|
|
|
|
// IPs further away are bad (we need 10), reject.
|
|
msgs = []store.Message{
|
|
message(true, 2*30, "host2.othersite.example", "sender3@othersite3.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite3.example"}, true, true, "10.0.0.100"),
|
|
message(true, 2*30, "host2.othersite.example", "sender@othersite2.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.100"),
|
|
message(true, 2*30, "host2.othersite.example", "sender@othersite2.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.100"),
|
|
message(true, 2*30, "host3.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(true, 8, "host3.othersite.example", "sender@othersite2.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.100"),
|
|
message(true, 8, "host4.othersite.example", "sender@othersite2.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite2.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(true, 4, "host4.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.0.0.100"),
|
|
message(false, 2, "host5.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"othersite.example"}, true, true, "10.10.0.5"),
|
|
message(false, 1, "host5.othersite.example", "sender@othersite.example", "second@remote.example", "mjl@local.example", store.ValidationStrict, []string{"none.example"}, true, true, "10.10.0.5"),
|
|
}
|
|
m = message(false, 0, "host.different.example", "sender@different.example", "other@other.example", "mjl@local.example", store.ValidationStrict, []string{}, true, true, "10.0.0.1")
|
|
check(m, msgs, xtrue, true, "ip3")
|
|
}
|