go-smtp v0.12.0 Matthias Schneider (2): do not abort mailfrom if FROM is <> (for example NDR) fixed "use of closed network connection" Simon Ser (1): readme: drop stability badge fox.cpp (14): Add LocalAddr to the ConnectionState struct server: Restrict line length to 2000 bytes client: Return SMTPError for server errors Add Temporary method to SMTPError server: Reject AUTH PLAIN on plain-text connections server: Don't call Session.Logout twice on QUIT command server: Extend Backend interface with MailOptions argument server: Allow enabling SMTPUTF8 extension client: Allow specifying additional MAIL arguments Allow enabling REQUIRETLS extension client: Change Mail to accept optional MailOptions server: Implement per-recipient status for LMTP server: Add missing Conn.reset call server: Simplify statusCollector data structure