Email Message Size Reminder

posted Jan 21, 2012, 3:18 PM by Rita Girardi
What: Maximum message size on umich.edu accounts will be fixed at 25 MB  
When: February 4, 2012
Why: In preparation for the Ann Arbor and Dearborn campus migration to Google mail
Who: All @umich.edu email accounts on all campuses (including Flint)
Action: None. Awareness only.


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Before the migration phases begin, maximum message size (including attachments) for mail sent from umich.edu accounts will be fixed at 25 MB. This change prepares us for this year’s migration to Google email, which has a message limit size of 25 MB.

This change will be made on the outbound mail relays and will not require any modifications to existing email programs or servers. Messages not routed through the central mail gateway will not be affected. The new size limit should not alter current email practices for most users. However, for those using the campus ITS IMAP and Exchange service this is a reduction from the current maximum message size of 100 MB.

For file transfers larger than 25 MB, consider using the Mfile service to securely host and share files. Information and support for Mfile is available on the ITS Help pages. For support or assistance using Mfile, please contact the Service Center at 4Help@umich.edu or call 734-764-HELP (764-4357).
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