[exim-dev] [Bug 855] Sender-callout-Verification should use …

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Author: Nigel Metheringham
Date:  
To: exim-dev
Subject: [exim-dev] [Bug 855] Sender-callout-Verification should use VRFY not RCPT TO
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http://bugs.exim.org/show_bug.cgi?id=855

Nigel Metheringham <nigel@???> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID





--- Comment #2 from Nigel Metheringham <nigel@???> 2009-06-21 08:47:50 ---
VRFY tests only for the apparent existence of an address (plus many sites block
it).

A FROM <>/RCPT TO pair tests the deliverability of bounce messages, including
whether the site accepts null senders (some idiots still think these should
be rejected), and whether the address itself is apparently valid.
This is an entirely different test to VRFY.


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