Below are the incompatible changes between v0.0.11 and next, per package.

# dane

# dmarc

# dmarcrpt

# dns

# dnsbl

# iprev

# message
- (*HeaderWriter).AddWrap: changed from func([]byte) to func([]byte, bool)

# mtasts

# publicsuffix

# ratelimit

# sasl

# scram

# smtp

# smtpclient

# spf

# subjectpass

# tlsrpt

# updates

# webapi

# webhook