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Is there a Recipient limit on Microsoft Exchange 2007 in SBS 2008.

Ben-KoreIT asked
Last Modified: 2012-05-08
Hi, I have just a quick query which i'm not sure of the answer. We have proposed a SBS 2008 solutions for a customer who often sends out emails with upwards of 1500 recipients. There current email confirguration via POP3 doesnt allow them to have more than 20-50 recipients. Is there a limit on the amount of recipients you can have on a email sent via Exchange 2007 on a SBS 2008 server?

Many Thanks
Ben Walker
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Manpreet SIngh KhatraSolutions Architect, Project Lead
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The limit is ideally defined on the Connection and if i'm not wrong its 1500 only .......... It might be a bit slow in processing so you can put in more RAM for better performance ....
I totally agree with Simon, Exchange is not a great tool for bulk email operations.

For completeness, Exchange has an organisational default of 5000. SBS may

See: Get-TransportConfig | fl *MaxRecipient*

You can also set this on individual mailboxes.

Get-Mailbox <username> | fl RecipientLimit

...Exchange with SBS 2008 has the same limits as a Non-SBS Exhange 2007.


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