[courier-users] Re: esmtpd suddenly rejects traffic
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From: Sam V. <mr...@co...> - 2003-07-22 18:38:05
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Michael Jinks writes: > > Telnet to port 25 from systems not on 128.135.12.0/24 proceeds as expected. > > A typical Courier log excerpt looks like this: > > Jul 22 12:17:41 [courieresmtpd] started,ip=[128.135.12.12] > Jul 22 12:17:41 [courieresmtpd] error,relay=128.135.12.12,msg="502 ESMTP command error",cmd: XXXX midway.uchicago.edu > Jul 22 12:19:05 [courieresmtpd] [128.135.12.6]: Connection timed out > > ...and that's where I'm stuck for now. If anybody knows what I'm missing, > please drop me a hint. Someone installed a severely broken firewall in front of the Courier server. |