I guess anything is possible. You didn't mention ... are the transactions, that receive the error, all coming from the same place? Perhaps an outbound firewall scan?
I've, pretty much, used up all of my guesses. On Friday 29 June 2007 13:03, Don O'Neil wrote: > 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 -- 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
