On Fri, Apr 01, 2016 at 05:20:54PM +0200, Paolo Mioni wrote: > I'm writing to ask for help with the following problem. I > cannot use outlook365 as a relay host for Postfix. > I'm using postfix 2.6
(which happens to be 3+ years past its EOL date) > I receive the following error: > > Apr 1 17:12:19 elrng-backup postfix/smtp[10780]: warning: > SASL authentication failure: No worthy mechs found This very warning is mentioned in SASL_README: http://www.postfix.org/SASL_README.html#client_sasl_enable Note the "Trouble solving tips" section, first bullet point. > Apr 1 17:12:19 elrng-backup postfix/smtp[10780]: 428BC2C1699: > SASL authentication failed; cannot authenticate to server > smtp.office365.com[132.245.194.242]: no mechanism available > This is the output of postconf -n on my server: > > alias_database = hash:/etc/aliases > alias_maps = hash:/etc/aliases > command_directory = /usr/sbin > config_directory = /etc/postfix > daemon_directory = /usr/libexec/postfix > data_directory = /var/lib/postfix > debug_peer_level = 2 > html_directory = no > inet_interfaces = localhost > inet_protocols = ipv4 > mail_owner = postfix > mailq_path = /usr/bin/mailq.postfix > manpage_directory = /usr/share/man > mydestination = $myhostname, localhost.$mydomain, localhost > newaliases_path = /usr/bin/newaliases.postfix > queue_directory = /var/spool/postfix > readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES > relayhost = [smtp.office365.com]:587 > sample_directory = /usr/share/doc/postfix-2.6.6/samples > sendmail_path = /usr/sbin/sendmail.postfix > setgid_group = postdrop > smtp_generic_maps = hash:/etc/postfix/generic > smtp_sasl_auth_enable = yes > smtp_sasl_password_maps = hash:/etc/postfix/sasl-passwords > smtp_tls_CAfile = /etc/postfix/ssl/postfix_default.pem This is likely due to a TLS failure. Add smtp_tls_loglevel = 1 to enable logging of TLS activity. > smtp_tls_security_level = may > smtpd_sasl_security_options = noanonymous > unknown_local_recipient_reject_code = 550 -- http://rob0.nodns4.us/ Offlist GMX mail is seen only if "/dev/rob0" is in the Subject:
