Re: meaning of connect immediately followed by disconnect in mail log

2009-04-16 Thread Wietse Venema
Victor Duchovni: > On Thu, Apr 16, 2009 at 10:27:33AM -0400, Kevin Murphy wrote: > > > postfix 2.1.5 (Mac OS X 10.4.11, Tiger), logging set to debug level: > > > > Out of curiosity, what do empty connect/disconnect pairs in the mail log > > mean? I.e.: > > > > Mar 19 09:50:19 jupiter postfix/smt

Re: meaning of connect immediately followed by disconnect in mail log

2009-04-16 Thread Ralf Hildebrandt
* Victor Duchovni : > Firewall brain-damage? Does your server have ECN enabled, is > window-scaling on by default? I find that a public mail-server can > rarely afford to have modern TCP options enabled and still send/receive > mail to/from systems behind random vendor's firewall. Amen to that!!!

Re: meaning of connect immediately followed by disconnect in mail log

2009-04-16 Thread Victor Duchovni
On Thu, Apr 16, 2009 at 10:27:33AM -0400, Kevin Murphy wrote: > postfix 2.1.5 (Mac OS X 10.4.11, Tiger), logging set to debug level: > > Out of curiosity, what do empty connect/disconnect pairs in the mail log > mean? I.e.: > > Mar 19 09:50:19 jupiter postfix/smtpd[1452]: connect from > mx3.wes

meaning of connect immediately followed by disconnect in mail log

2009-04-16 Thread Kevin Murphy
postfix 2.1.5 (Mac OS X 10.4.11, Tiger), logging set to debug level: Out of curiosity, what do empty connect/disconnect pairs in the mail log mean? I.e.: Mar 19 09:50:19 jupiter postfix/smtpd[1452]: connect from mx3.westat.com[198.232.249.38] Mar 19 09:50:20 jupiter postfix/smtpd[1452]: disc