cannot email pdf attachment

Hi All!

One of my colleagues is having a problem emailing pdf's to a couple of clients. We are an IT support company and on a monthly basis we send out a newsletter to all of our clients. The email bounces back almost instantly with the following error:

The following recipient(s) could not be reached: on 01/02/2008 11:31
The e-mail account does not exist at the organization this message was sent to.  Check the e-mail address, or contact the recipient directly to find out the correct address <SERVER.needlesports.local #5.1.1>

The email address she is trying to send to is Normal text based emails will send fine as will any other attachments. It's just pdf's that won't! Both us and the client are on the same ISP, Demon (UK)

Thanks in advance!
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How large is this attachment?  They may have a restriction set up on their mail server to not accept messages over a certain size.

Hotmail had a restriction for anything over 2MB, and my personal email and corporate had limits of 5MB.

I would try sending a small .pdf, not the newsletter, to the address in question and see if it bounces back.  You could also have her try sending a regular attachment ie Word file, and see if it happens then as well.
Sorry.  I just re-read the part of your question about the other attachments going through.  I would still double check the size of the attchments going through, and the ones bouncing back.
Hello mattyd0484,

If you rename the PDF attachment to TXT extension, eg name.pdf to name.txt, will the email go through?  If so, your recipient ISP or network is blocking certain types of attachments.

Hope this helps!

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mattyd0484Author Commented:
Hi war1
changing the pdf to txt format went through. I have been in touch with the ISP and they did say certain attachments inc. pdf's were being blocked. I asked them to unblock it and the newsletter has since been delivered. Many Thanks for your input! still can't understand why a pdf would be blocked though. seems pretty innocent to me...
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