[issue16462] smtpd should return greeting

[mike.a]

mike.a added the comment:

The greeting value is the HELO/EHLO identity. RFC 4408 (SPF) recommends checking both the mail from domain as well as the HELO identity, so this value is useful and could be passed to proc_message() function (API for "doing something useful with this message"). Later versions of the code pass the same values, so this is relevant for 2.7, 3.2, and 3.3.

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versions: +Python 2.7, Python 3.1, Python 3.2, Python 3.3 -Python 2.6

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<http://bugs.python.org/issue16462>
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