To exchange messages with attachments over WAN

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Hello All,

If an application has to be developed in C# which enables the users over a
WAN to exchange messages (not real time chat but e-mail like), what mechanism
would be
the best to exchange these messages? (Messages will contain text as well as
attachments of any file type.)

How about using socket communication? Or is there already some libraries
available in .NET Framework for such a purpose?

Thanks In Advance,
Jessy.

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If the messages are supposed to queue like email rather than be received real
time then you would need to implement storage to hold the chat and the
attachements. The easiest thing for this IS email, other wise, I would
implement a server app with WCF or webservices to send and receive the chat
which is stored in a database for people to receive at a later date.
--
Ciaran O''Donnell
http://wannabedeveloper.spaces.live.com
"Jessica" wrote:

Hello All,

If an application has to be developed in C# which enables the users over a
WAN to exchange messages (not real time chat but e-mail like), what mechanism
would be
the best to exchange these messages? (Messages will contain text as well as
attachments of any file type.)

How about using socket communication? Or is there already some libraries
available in .NET Framework for such a purpose?

Thanks In Advance,
Jessy.