I'm trying to send email, using sendmail, with authentication port 587 and credentials. I modified sendmail.mc as follows: TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl FEATURE(`authinfo',`hash /etc/mail/auth/client-info')dnl DAEMON_OPTIONS(`Port=smtp, Name=MTA')dnl DAEMON_OPTIONS(`Port=587, Name=MSA, M=E')dnl the file client-info contains: AuthInfo:smtp.auth.orange-business.com "U:<my_authentication>" "P:<my_password>" "M:PLAIN" I tried first to send an email via telnet smtp.auth.orange-business.com 587 using the credentials above, which I encoded with Base64 Coder, and it worked. When I use mail -s "my subject" <my email> < some_file I get in /var/log/maillog: Jul 8 07:54:09 godefroy sendmail[19322]: q685q9XO019320: to=<roland@xxxxxx>, ctladdr=<roland@xxxxxxxxxxx> (504/500), delay=00:02:00, xdelay=00:02:00, mailer=relay, pri=121220, relay=smtp.auth.orange-business.com. [194.2.0.87], dsn=4.0.0, stat=Deferred: Connection timed out with smtp.auth.orange-business.com. When I start sendmail with: /usr/sbin/sendmail -O LogLevel=14 -bd -X /tmp/output.log the output.log file gives no errors, but mentions nowhere the authentication. I'm trying to solve this for weeks now, but without result. Can somebody help me? sendmail-8.13.8-8.1.el5_7 sendmail-cf-8.13.8-8.1.el5_7 Thanks Roland -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org