> > > I can't identify the cause of impossibility to relay emails through > my > > > Postifix mail gateway, from a Outlook express client. > > > > Indeed, I get the problem while sending email with attachment with > size > > above 5-6 MB.. > > > > > From mail log, I saw: > > > > > > postfix/smtpd[16988]: connect from unknown[xxx.yyy.www.zzz] > > > postfix/smtpd[16988]: 7B98D75008D: client=unknown[xxx.yyy.www.zzz] > > > postfix/cleanup[22797]: 7B98D75008D: > > > message-id=<[EMAIL PROTECTED]> > > > > > > From client side I get a pop-up window that points out problems > with > > > server communication or even network.. > > > > > > What it couuld be inferred from postfix log above? How could > continue > > > to > > > investigate to get the cause of interruption? > > Look for the records at the END of the SMTP session. > > $ egrep 'postfix/cleanup\[22797\]|postfix/smtpd\[16988\]' > /var/log/maillog
Thanks Wietse: Oct 29 10:27:58 av3 postfix/smtpd[16988]: connect from unknown[xxx.yyy.www.zzz] Oct 29 10:27:58 av3 postfix/smtpd[16988]: 7B98D75008D: client=unknown[xxx.yyy.www.zzz] Oct 29 10:34:25 av3 postfix/smtpd[16988]: timeout after DATA from unknown[xxx.yyy.www.zzz] Oct 29 10:34:25 av3 postfix/smtpd[16988]: disconnect from unknown[xxx.yyy.www.zzz] What I can suspect about the cause? Firewall, Protection software on sending client or what? rocsca
