Am 29.10.2013 22:08, schrieb Roman Gelfand: > Sorry about that one. In fact, the other address was unreachable > than. Please, keep in mind, it is the hand off from thunderbird to > postfix I am interested in. > > Here is a good example. > > Oct 29 16:57:10 pmx1 postfix/smtp[8024]: EF7454059D: > to=<u...@gmail.com>, > relay=gmail-smtp-in.l.google.com[173.194.68.26]:25, delay=31, > delays=0.02/0/30/0.55, dsn=2.0.0, status=sent (250 2.0.0 OK 1383080173 > nl1si12576362qeb.75 - gsmtp)
a good example for what? status=sent -> what is your problem? "cat maillog | grep EF7454059D" to filter anything related to this message from the logfilesand the "delay=31" is most likely because the message was queued on your server for whatever load-reason or because temporary not reachable destination (network, name-resolution, one of them at googles side) > On Tue, Oct 29, 2013 at 5:02 PM, li...@rhsoft.net <li...@rhsoft.net> wrote: >> >> >> Am 29.10.2013 21:55, schrieb li...@rhsoft.net: >>> Am 29.10.2013 21:46, schrieb Roman Gelfand: >>>> How did you decide this is a network issue? >>> >>> Connection timed out? >> >> [harry@srv-rhsoft:~]$ telnet 96.57.168.248 25 >> Trying 96.57.168.248... >> telnet: connect to address 96.57.168.248: Connection timed out >> >> and BTW: >> >> mail.domain.com[96.57.168.248]:25: Connection timed out >> >> if you think you need to anonymize informations do *not* >> use random domains: http://tools.ietf.org/html/rfc2606#section-3 >> and if you need help generally avoid to do so without >> very good reasons >> >> [harry@srv-rhsoft:~]$ host mail.domain.com >> mail.domain.com has address 72.5.54.21 >> >>>> How would you go about determining which router which switch? >>> >>> it's hard to explain how to debug network issues >>> >>>> On Tue, Oct 29, 2013 at 4:33 PM, li...@rhsoft.net <li...@rhsoft.net> wrote: >>>>> >>>>> >>>>> Am 29.10.2013 21:25, schrieb Roman Gelfand: >>>>>> The client is thunderbird. Correct me if I am wrong, it appears it 40 >>>>>> seconds for the client to hand over the email to the server? If so, >>>>>> where should I troubleshoot? are there maintenance >>>>>> tasks/configuration changes to improve this situation. >>>>>> >>>>>> BTW... from the inception there was no or negligible delay. Several >>>>>> months later, I am seeing this on regular basis even hourly volume is >>>>>> not large. >>>>>> >>>>>> Oct 29 16:06:10 pmx1 postfix/smtp[7414]: 200AC43831: >>>>>> to=<u...@domain.com>, relay=none, delay=40, delays=0.01/0/40/0, >>>>>> dsn=4.4.1, status=deferred (connect to >>>>>> mail.domain.com[96.57.168.248]:25: Connection timed out) >>>>> >>>>> this is clearly a *network* problem on the server *or* the client >>>>> *or* somewhere between (routers, switches....)