Mailscanner/Sendmail Relaying has stopped!!

[Doc Schneider]

Johnny Stork wrote:
> Well I dont know what happened today but here is my setup.
> 
> gateway machine (running MailScanner on RHES4) which accepts all mail 
> for the domain mydomain.ca
> 
> This machine is out on the DMZ and so sendmail has a routing table entry 
> to send all mail for our domain, back into an internal Scalix Mail 
> server. Below is a "normal" maillog entry when it was working. You can 
> see the mail getting relayed correctly to the internal mail server, 
> penguin.mydomain.ca.
> 
> 
> Feb 19 04:23:15 gateway sendmail[23338]: k1JCN1uL020946: 
> to=<stork at mydomain.ca>, delay=00:00:13, xdelay=00:00:00, mailer=esmtp, 
> pri=177672, relay=penguin.mydomain.ca. [192.168.1.3], dsn=2.0.0, 
> stat=Sent (Ok)
> 
> But now, for some reason, MailScanner/Sendmail is not relaying the mail 
> it receives, back into the primary mail server, penguin.mydomain.ca? 
> Instead it is trying to send it back out to itself basically
> 
> 
> Feb 21 14:20:06 gateway sendmail[11683]: k1LMHrqI011613: 
> to=<stork at mydomain.ca>, delay=00:02:12, xdelay=00:02:00, mailer=esmtp, 
> pri=177260, relay=smtp. mydomain.ca [207.216.243.61], dsn=4.0.0, 
> stat=Deferred: Connection timed out with smtp.mydomain.ca.
> 
> All my mail is piling up in the sendmail que. Any suggestions??? I am in 
> panic mode
> _______________________________
> Johnny Stork
> Information & Technology Manager
> Provincial Blood Coordinating Office
> 604-806-8840
> 

I'd check and maybe even restart your mailer on your internal network. 
Appears to me that it has dropped out for whatever reason.

-- 
-Doc
Lincoln, NE.