Mac OS X v10.6: Can receive email, but not send email

Learn what you can do if you are having issues sending Mail messages after updating to Mac OS X v10.6 Snow Leopard. For example, you may see an alert message stating "Error 54: Connection Reset By Peer."

This article has been archived and is no longer updated by Apple.
To resolve this issue update to  Mac OS X v10.6.1.
This document will be updated as more information becomes available.
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