Orm Finnendahl: > Hi, > > after upgrading my system, sending mails with postfix to a relayhost using > dovecot for STARTTLS fails (it used to be working for years without problems > before). > > The logs of the relayhost show that a TLS connection gets established and the > (debian postfix) relay server then offers "250-AUTH PLAIN CRAM-MD5 NTLM" and > "250-AUTH=PLAIN CRAM-MD5 NTLM". My client then issues "AUTH NTLM..." rather > than using PLAIN which ultimately fails on the server. > > Is there any way to force using the AUTH PLAIN method from the client's side? > > I'm using postfix 3.3.3, authentification uses dovecot v2.3.4.1
http://www.postfix.org/postconf.5.html#smtp_sasl_mechanism_filter Wietse
