Mailbox size problem!!!!

265 pts.
Microsoft Exchange
Hi, My mail server is Exchange server 2003 that size of sending emails for everybody is default size but one of my users wants to send an file attachment with his email that is 27MB,I set for this user ADUC the warning message at 50MB for sending,but it doesn't work and he still can't send this attachment with his email!!! Could you please help me? Thank you. ------ Regards Mahnaz

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Is the email not sending or just bouncing back? Is it possible that the recipient’s email is unable to handle the attachment. Is the email staying in the sender’s Outbox or in Exchange’s smtp queue?


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  • Shadyj
    You need to make this change in the Delivery Restrictions section, not the Storage Limits:Warning section.
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  • Petroleumman
    Hello, You can set your server limits (ESM => Global => Message Delivery properties)default value for sending message size to no limit then use ADUC properties to restrict message size on a per user basis to solve your problem. One thing you should not overlook is any SMTP firewall policy settings that you have in place. Make sure your firewall policy has a value equal or greater than your server or users ADUC properties are set or this will become your point of failure. Good luck!
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  • Stevesz
    You need to make the change in ADUC and in Exchange. The size set in ADUC for a user, if it exceeds the Exchange limit, means nothing as this limit overrides the ADUC size limit. Setting such a high limit opens you to other problems, however. E-mail is not meant to handle such large attachments. An attachment of this size should be placed on an FTP site for the recipient to download. It could be your site or the recipient's site. With the mailbox size limits imposed by some companies, one or two messages with attachments of this size would effectively shut down the user's mailbox for, at least. sending mail. Also think of the effect if the recipient's mailserver does not allow mail of that size to be received. You get the bounce, with a 27+ MB attachment. Another factor to consider is that if you do it for one user, you'll get another user who wants an increased limit, and eventually you will have a snowball effect on your mail infrastructure. One of my clients has a very generous limit of 15 MB for attachments, mainly for the editorial department who deal with large graphic files. Anything above that limit is to be placed on the FTP server maintained for that purpose only. High quality photo files can easily exceed 30 MB. This has worked very well for them (except when they forget the instructions to give the sender to access the server).
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