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#554 5.5.2 Invalid data in message ## ERROR IS REJECTING MESSAGES WHEN ATTACHMENT HAS LONG FILENAME

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#554 5.5.2 Invalid data in message ## ERROR IS REJECTIN... - 22.Feb.2012 10:04:11 AM   
techfinch

 

Posts: 1
Joined: 22.Feb.2012
Status: offline
I have a strange problem that occurs once in a while, when someone from our domain sends an email with an attached file where the filename is long and causes outside organizations to reject the message - but we can send the same email w/ attachment from say gmail. We can also rename the attachment and it goes through. Has anyone ever encountered this, and any ideas how to fix? Thank you!
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RE: #554 5.5.2 Invalid data in message ## ERROR IS REJE... - 13.Mar.2012 6:28:03 AM   
jveldh

 

Posts: 2335
Joined: 12.Apr.2008
From: The Netherlands
Status: offline
Hi,

It may be caused by the header limit. How long is the attachment is it longer then 50 characters? Some firewalls admins have configured header size restrictions. If this is the case messages which contain attachments with a name of 50 characters and larger will block the message.

Besides this have a look at this article which describes this issue:
http://www.exchangelog.info/2007_05_01_archive.html

Regards,
Johan

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Johan Veldhuis

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(in reply to techfinch)
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