I'm having a very similar problem here on CentOS 6 - unfortunately moving or removing the TLS session caches and restarting postfix is not fixing my problem at all. Coincidently the openssl package was updated the day before the problem started. postfix 2.6.6-2.2.el6_1 openssl 1.0.0-20.el6_2.4
postconf: http://pastebin.com/d898xtus maillog (with -v on smtp line in master.cf): May 25 20:20:17 li postfix/smtp[17618]: < smtp.gmail.com[173.194.77.108]:587: 250-mx.google.com at your service, [72.3.189.225] May 25 20:20:17 li postfix/smtp[17618]: < smtp.gmail.com[173.194.77.108]:587: 250-SIZE 35882577 May 25 20:20:17 li postfix/smtp[17618]: < smtp.gmail.com[173.194.77.108]:587: 250-8BITMIME May 25 20:20:17 li postfix/smtp[17618]: < smtp.gmail.com[173.194.77.108]:587: 250-STARTTLS May 25 20:20:17 li postfix/smtp[17618]: < smtp.gmail.com[173.194.77.108]:587: 250 ENHANCEDSTATUSCODES May 25 20:20:17 li postfix/smtp[17618]: server features: 0x101b size 35882577 May 25 20:20:17 li postfix/smtp[17618]: > smtp.gmail.com[173.194.77.108]:587: STARTTLS May 25 20:20:17 li postfix/smtp[17618]: < smtp.gmail.com[173.194.77.108]:587: 220 2.0.0 Ready to start TLS May 25 20:20:17 li postfix/smtp[17618]: send attr request = lookup May 25 20:20:17 li postfix/smtp[17618]: send attr cache_type = smtp May 25 20:20:17 li postfix/smtp[17618]: send attr cache_id = smtp:173.194.77.108:587:mx.google.com&p=1&c=ALL:+RC4:@STRENGTH May 25 20:20:17 li postfix/smtp[17618]: private/tlsmgr: wanted attribute: status May 25 20:20:17 li postfix/smtp[17618]: input attribute name: status May 25 20:20:17 li postfix/smtp[17618]: input attribute value: 4294967295 May 25 20:20:17 li postfix/smtp[17618]: private/tlsmgr: wanted attribute: session May 25 20:20:17 li postfix/smtp[17618]: input attribute name: session May 25 20:20:17 li postfix/smtp[17618]: input attribute value: (end) May 25 20:20:17 li postfix/smtp[17618]: private/tlsmgr: wanted attribute: (list terminator) May 25 20:20:17 li postfix/smtp[17618]: input attribute name: (end) May 25 20:20:17 li postfix/smtp[17618]: send attr request = seed May 25 20:20:17 li postfix/smtp[17618]: send attr size = 32 May 25 20:20:17 li postfix/smtp[17618]: private/tlsmgr: wanted attribute: status May 25 20:20:17 li postfix/smtp[17618]: input attribute name: status May 25 20:20:17 li postfix/smtp[17618]: input attribute value: 0 May 25 20:20:17 li postfix/smtp[17618]: private/tlsmgr: wanted attribute: seed May 25 20:20:17 li postfix/smtp[17618]: input attribute name: seed May 25 20:20:17 li postfix/smtp[17618]: input attribute value: +KL9oSc4Fg2uos3Vm50k86FVj4pZHODixhyaXhn9AD0= May 25 20:20:17 li postfix/smtp[17618]: private/tlsmgr: wanted attribute: (list terminator) May 25 20:20:17 li postfix/smtp[17618]: input attribute name: (end) May 25 20:20:17 li postfix/qmgr[14561]: warning: private/smtp socket: malformed response May 25 20:20:17 li postfix/qmgr[14561]: warning: transport smtp failure -- see a previous warning/fatal/panic logfile record for the problem description May 25 20:20:17 li postfix/master[14558]: warning: process /usr/libexec/postfix/smtp pid 17618 killed by signal 11 messages: May 25 20:20:17 li kernel: smtp[17618]: segfault at 7fc182380ef0 ip 00007fc182380ef0 sp 00007fff333cb218 error 15 Any idea what might be going on here, or what I might do to investigate further or even fix this? Cheers /dan -- Daniel Sutcliffe
