On 16/06/03 02:40 +0530, karthikeyan wrote:
> hai,
>     can u tell me howto give a authentication for outgoing mails which
> contain only attachments. if we have any open source projects means 
> plz help me.
Please read RFC 2821 for a description of the ESMTP Protocol.
Please read RFC 2822 for a description of the email headers and body.
Please read RFC 2554 for a description of SMTP AUTH.

When you have finished that, please inform us about how the SMTP server
knows about the presence of an attachment in the email when AUTH is
required.
Coding an application to the specifications you will come up with should
not be hard. You just need to extend the protocol, code the client and
the server.

Of course, authenticating all email is possible and much easier to
implement, is supported by all standards complaint mail clients (even
Outlook and Outlook Express, which support the non standard LOGIN method
only).

Devdas Bhagat


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