SmarterMail 12.4.5364 bouncing to back to Yahoo with 500 5.5.0 Line too long error
Question asked by Brian Ebers - 10/3/2014 at 11:24 AM
A user sending email from yahoo web mail to one of my clients on Smartermail is getting bounced from smartermail with error below.  Looks like a possible attachment encoding problem where Smartermail may be interpreting the attachment encoding as a too long input string.  This just started happening after the upgrade to 12.4.5364. Wasn't a problem before with this same sender/ pdf attachment combo. Any thoughts appreciated.
----- Forwarded Message -----
From: "MAILER-DAEMON@yahoo.com" <MAILER-DAEMON@yahoo.com>
To: <removed>
Sent: Friday, October 3, 2014 10:33 AM
Subject: Failure Notice

Sorry, we were unable to deliver your message to the following address.

Remote host said:
500 5.5.0 Line too long


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Joe Wolf Replied
What does your SMTP Log say for that message? Today was a fairly busy day and I searched my SMTP Log for any "Line too long" errors and found none... so I don't think this is a major problem, but some kind of specific circumstance. The SMTP Log may have your answer.

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