We are experiencing trouble in sending e-mails to certain sites from our Exim 
Gateway, which is 4.60.   We don't know whether it is exim or our firewall 
which is causing the problem.  Ordinary e-mail goes through, but e-mail with 
attachments fail:
 
Below is an example:
 
Site Shakespearesglobe.com
Our site: westminster.ac.uk (gateways, isls-mx10, isls-mx20, isls-mx30)
 
Shakespearesglobe.com says:
"MTU size is currently set at 1404.  Our communication line is a 10MB Managed 
Internet Line.  We don't experience any problems communicating with any other 
organisations with our current MTU size.  How have you resolved this problem 
with other organisations?"
 
We at isls-mx30, compiled exim with 4000 MTU, but that failed to solve the 
problem.
 
Any body has seen the problem like this before?
 
Thanks in advance.
 
Sujit
 
 
 
Sujit Choudhury
ISLS
This e-mail and its attachments are intended for the above named only and may 
be confidential. If they have come to you in error you must not copy or show 
them to anyone, nor should you take any action based on them, other than to 
notify the error by replying to the sender.


-- 
The University of Westminster is a charity and a company limited by
guarantee.  Registration number: 977818 England.  Registered Office:
309 Regent Street, London W1B 2UW, UK.


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