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Outgoing mail size limits in SBS 2011

I am trying toio increase the size limits for outgoing mail.  As far as I can see I have taken all limits off (see Exchange shell output below)  but am still getting the  outlook "exceeds allowable size" message.

Waht am I doing wrong?

[PS] C:\Windows\system32>Get-TransportConfig | ft MaxSendSize, MaxReceiveSize

MaxSendSize                                                 MaxReceiveSize
-----------                                                 --------------
unlimited                                                   unlimited


[PS] C:\Windows\system32>
[PS] C:\Windows\system32>
[PS] C:\Windows\system32>Get-SendConnector | ft name, MaxMessageSize

Name                                                        MaxMessageSize
----                                                        --------------
Windows SBS Internet Send SBSSERVER                         unlimited


[PS] C:\Windows\system32>
[PS] C:\Windows\system32>Get-mailbox | ft Name, MaxSendSize, MaxReceiveSize

Name                                    MaxSendSize                             MaxReceiveSi
----                                    -----------                             ------------
DiscoverySearchMailbox {D919BA05-46A... 100 MB (104,857,600 bytes)              100 MB (104,
A user                       unlimited                               unlimited
Second Iuser                            unlimited                               unlimited
Third                         unlimited                               unlimited
0
mnewmana
Asked:
mnewmana
1 Solution
 
Rajith EnchiparambilOffice 365 & Exchange ArchitectCommented:
What about receive connector limits?
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Rob WilliamsCommented:
Because Exchange send/receives within itself (more or less) you usually have to eidit send and receive connectors. Please see:
http://blog.lan-tech.ca/2011/10/27/quickie-changing-message-size-limits-on-sbs-std-2008-and-2011/
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mnewmanaAuthor Commented:
Well in the spirit of going OTT I had sset the receivers to 2GB!!

[PS] C:\Windows\system32>
[PS] C:\Windows\system32>Get-ReceiveConnector | ft name, MaxMessageSize

Name                                                        MaxMessageSize
----                                                        --------------
Default SBSSERVER                                           2 GB (2,147,482,624 bytes)
Windows SBS Fax Sharepoint Receive SBSSERVER                2 GB (2,147,482,624 bytes)
Windows SBS Internet Receive SBSSERVER                      2 GB (2,147,482,624 bytes)


[PS] C:\Windows\system32>
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Rob WilliamsCommented:
An to whom do you think you are going to send a 2GB e-mail?  :-)
Many servers block anything over 5MB.
If you set it to 2GB, trust me a user will try it and something will hang. I have had users try to send music CD's.
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shadowmantxCommented:
Agreed most ISP have a limit 5MB to 10MB...back in the day it was 1MB.  You are probably seeing the "Exceeded Limits" message from your ISP SMTP server.
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mnewmanaAuthor Commented:
I was jsuut trying to take every limit off:-)

not using smart host ...

And in any case when OL produces that "Exceeds allowablelimit" beofre yu ahve even sentthe mail theproblemmust be generted within your own infrastructure,musn't it?
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Rob WilliamsCommented:
Yes Exchange generates an error that you have exceeded it's limit, but you can also get messages that you have exceeded the limit of the recipient. Very few accept more than 25MB
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mnewmanaAuthor Commented:
Well yes.  But the error Iamis generted when you drop the attachment into the email, even beofre you have put a recpient address in teh email (as described here http://support.microsoft.com/kb/2222370) so as the recivingserver hasn'tyet beendefined it can'tbe generated by thereceiving server.

Wheyou get an error about the recipients mai limit being exceeded youusuallyget a SMTP return code don'tyou? Well, ok, some mail servers give chatty error messages rather than give an SMTP return code)
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Rob WilliamsCommented:
How big a meesage are you trying to send that it is rejected?
Have you reboot the server?
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mnewmanaAuthor Commented:
Think 13 MB (recipients FTP server isdown!)

Ah good point about rebooting the server...  Well maybe I could try restarting the Exchange services...
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mnewmanaAuthor Commented:
Restarting appropriate exchange services did it - doh....

Thanks for help and thoughts
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Rob WilliamsCommented:
Sorry I assumed you did that, or restart after applying. Good to hear you have resolved.
Cheers!
--Rob
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