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From: Wietse Venema (wietseporcupine.org)
Date: Thu Nov 01 2001 - 17:09:20 CST

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    Kindly remind them of section 4.1.1.2 of RFC 2821, the present
    SMTP mail standard.

       Syntax:

          "MAIL FROM:" ("<>" / Reverse-Path)
                           [SP Mail-parameters] CRLF

            Wietse

    Daniel H Lannom:
    > My new postfix server [ 20010228-pl05 ] bounces email with a from
    > of "<>". Sometimes legimate email being is rejected by AOL.
    >
    > Here's an anonymosized exampled:.
    >
    > In: 250 rly-ye02.mail.aol.com OKThu, 01 Nov 2001 13:32:58 -0500
    > Out: HELO mail1.umd.umich.edu
    > In: 220-America Online (AOL) and its affiliated companies do not
    > In: 220- authorize the use of its proprietary computers and computer
    > In: 220- networks to accept, transmit, or distribute unsolicited bulk
    > In: 220 e-mail sent from the internet.
    > Out: MAIL FROM:<>
    > In: 250 rly-ye02.mail.aol.com OK
    > Out: RCPT TO:<someone403aol.com>
    > In: 503 BAD SEQUENCE OF COMMANDS
    > Out: RSET
    > In: 250 OK
    > Out: QUIT
    >
    > I've seen discussion on this list that indicates
    > that "FROM:<>" is normal for bounces. But since,
    > I've had very little luck in getting a response from
    > AOL postmaster in the past, I'd like suggestions
    > of how to justify to them that they should not
    > reject such email.
    >
    > Thanks in advance.
    >
    > Dan Lannom
    > UofM-Dearborn
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