BREAKING CHANGE: messages using domain-literal
addresses don't require to match the origin
SMTP connection IP anymore.
Signed-off-by: Jagoda Ślązak <jslazak@jslazak.com>
Previously header parsing caused leading whitespaces to be
trimmed in HeaderBody, which resulted in incorrect simple
header canonicalization.
Signed-off-by: Jagoda Ślązak <jslazak@jslazak.com>