Well, we don't have an external firewall, so that couldn't be it. Could it possibly be something further upstream, or maybe even just a timeout value that needs to be extended?
-----Original Message----- From: Larry Starr [mailto:[EMAIL PROTECTED] Sent: Friday, June 29, 2007 10:59 AM To: users@spamassassin.apache.org Subject: Re: FW: Mail delivery failed: returning message to sender On Friday 29 June 2007 12:41, Don O'Neil wrote: > I've been getting these messages fairly regularly lately. We're > running SA > 3.1.8 and Exim 4.6.6 on FreeBSD 6.1. I've changed the exim->SA config > to go through a pipe rather than the traditional way, set it to only > scan messages <100K, turned off Bayes AutoLearn because it was > creating token files in the multiple hundred megabyte range and it still is popping up. > I've held off on upgrading to SA 3.2.1 because of the performance > issues I've read about, I'm concerned that the problem will get worse > if I upgrade. > > Anyone have any ideas on how to fix it? > > Here is the message: > > A message that you sent could not be delivered to one or more of its > recipients. This is a permanent error. The following address(es) failed: > > [EMAIL PROTECTED] > local delivery failed > > The following text was generated during the delivery attempt: > > ------ [EMAIL PROTECTED] ------ > > An error was detected while processing a file of BSMTP input. > The error message was: > > 421 Lost incoming connection > > The SMTP transaction started in line 0. > The error was detected in line 3. > 0 previous messages were successfully processed. > The rest of the batch was abandoned. > 421 Lost incoming connection > Transaction started in line 0 > Error detected in line 3 Are you certain that the problem is within your mail server? I ask because I've had a similar situation, a few times and finally tracked it to our Sonic Wall firewall (which also does virus scanning). It, apparently, scans streams on the fly so, if a Virus is detected in an attachment, the SMTP connection is, basically, broken without warning. Just a thought? -- Larry G. Starr - [EMAIL PROTECTED] or [EMAIL PROTECTED] Software Engineer: Full Compass Systems LTD. Phone: 608-831-7330 x 1347 FAX: 608-831-6330 =================================================================== There are only three sports: bullfighting, mountaineering and motor racing, all the rest are merely games! - Ernest Hemmingway
