exchange 2010

it seems that there is an intermittent issue at recipients end, as per the logs connection is getting refused by mail.savoyco.com.


   ----- The following addresses had permanent fatal errors ----- <ron@savoyco.com> <mark@savoyco.com> <linda@savoyco.com> <cade@savoyco.com> <brian@savoyco.com>

   ----- Transcript of session follows ----- <brian@savoyco.com>,<cade@savoyco.com>,<linda@savoyco.com>,<mark@savoyco.com>,<ron@savoyco.com>... Deferred: Connection refused by mail.savoyco.com.
Message could not be delivered for 5 days Message will be deleted from queue

we found on our proffpoint gateway some mails were delivered some deferred

is there anything to be checked
C--Users-con-ccisat1pwk-Desktop-mail.jpg
pramod1Asked:
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Sudeep SharmaTechnical DesignerCommented:
There is nothing that you could at your end, so you would need to contact the tech support for savoyco.com and asked them about the issue.

In my opinion they have set threshold for your domain or may have the default threshold for every email and are accepting certain number of connection per IP or domain address.

Hence they are deferring the connection and once the threshold is reset they accept the email which are within the threshold.

Sudeep

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