Monday, June 6, 2011

SMTP SSL in Exchange 2007/2010

In exchange 2007 and higher, the default connector are configured to accept passwords only when using a secured connection (Like SSL or TLS).
A good idea
, but...


The SSL option is only available for POP and IMAP, on SMTP you miss this option, here you can only configure a TLS secured connection.

Not a problem.... do you think?
When you still have users accessing your mail server via POP3/SMTP with MS Outlook 2003 (Not uncommon these days) then they don't have the option to use SMTP with TLS, only SMTP with SSL is available...

Other products from the same company not offering SMTP with TLS are: Outlook Express, Windows Mail....

So you will either have to upgrade all clients to a new MS Office version, or downgrade security on your exchange server and allow the SMTP connector to also accept password over unsafe connections.

Or, probably the best thing to do: Just switch to a real mail user agent like thunderbird.....

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