I see this problem too -- ironically from a freshly installed wheezy system running sendmail. Syslog:
<20>1 2013-05-16T09:00:24.888014+02:00 duva sm-mta 19115 - - STARTTLS=client, error: connect failed=0, SSL_error=5, errno=0, retry=-1 <21>1 2013-05-16T09:00:24.888257+02:00 duva sm-mta 19115 - - ruleset=tls_server, arg1=SOFTWARE, relay=bugs-master.debian.org, reject=403 4.7.0 TLS handshake failed. <22>1 2013-05-16T09:00:24.888318+02:00 duva sm-mta 19115 - - r4G70JEv019092: to=<702...@bugs.debian.org>, delay=00:00:04, xdelay=00:00:02, mailer=esmtp, pri=150610, relay=bugs-master.debian.org. [140.211.166.26], dsn=4.0.0, stat=Deferred: 403 4.7.0 TLS handshake failed. The attempts and failures happens repeatedly, and the mail is stuck on the queue: r4G70JEv019092 224 Thu May 16 09:00 <si...@josefsson.org> (Deferred: 403 4.7.0 TLS handshake failed.) <702...@bugs.debian.org> Sendmail doesn't seem able to recover (like postfix did) so it just re-tries the delivery and TLS handshake and never fall back to non-TLS. Thus, I can't seem to get any emails through to bugs.debian.org without the following in /etc/mail/access and running 'make' in /etc/mail. Try_TLS:master.debian.org NO Try_TLS:bugs-master.debian.org NO /Simon -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org