NDR 550 5.7.1 Submission has been disabled for this account

You may get NDR message below when sending emails in co-existence environment
with Exchange 2010. There may be NDR only when you send email from Exchange
2003/2007 and it gets routed thru Exchange 2010 HUB transport server.



Delivery has failed to these recipients or distribution lists:


Your message wasn’t delivered because of security
policies. Microsoft Exchange will not try to
redeliver this message for you. Please provide the following

Diagnostic text to your system administrator.



This can be happen because of sender is having ProhibitSendReceiveQuota
and ProhibitSendQuota 0 KB for his mailbox. You can run below cmdlet to get
detail for user who is getting NDR.

Get-Mailbox -id “UserID” | fl IssueWarningQuota,ProhibitSendReceiveQuota,ProhibitSendQuota

Also you can get report for all mailbox those are having O KB forProhibitSendReceiveQuota and ProhibitSendQuota using below cmdlet.

Get-mailbox-ResultSize Unlimited | where {($_.ProhibitSendReceiveQuota -eq 0KB -or$_.ProhibitSendQuota-eq 0KB) -and $_.UseDatabaseQuotaDefaults -eq”true”}

Once you check ProhibitSendReceiveQuota and ProhibitSendQuota detail for user use below cmdlet to make it unlimited (any value which suite to your ORG). Use below cmdlet to do it.

Set-Mailbox -Identity “UserID” -IssueWarningQuota “unlimited”
Set-Mailbox -Identity “UserID” -ProhibitSendReceiveQuota “unlimited”
Set-Mailbox -Identity “UserID” -ProhibitSendQuota “unlimited”

Now lets user to send email and verify.


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