Re: postfix reject_unknown_sender_domain to give permanent failure

From: ram (no email)
Date: Tue Aug 21 2007 - 01:04:18 EDT

  • Next message: Geert Hendrickx: "Re: dig and rbl"

    On Mon, 2007-08-20 at 16:53 +0200, Ralf Hildebrandt wrote:
    > * ram <>:
    >
    > > unknown_hostname_reject_code = 550
    >
    > > But all mails with typos in domain names are getting rejected with 450 ,
    > > so the NDR's are not sent immedeiately by the relaying client machines
    >
    > Show examples
    >

    I just did a smtp transaction

    -------

    Net::SMTP>>> Net::SMTP(2.30)
    Net::SMTP>>> Net::Cmd(2.27)
    Net::SMTP>>> Exporter(5.58)
    Net::SMTP>>> IO::Socket::INET(1.29)
    Net::SMTP>>> IO::Socket(1.29)
    Net::SMTP>>> IO::Handle(1.25)
    Net::SMTP=GLOB(0x83f6d00)<<< 220 ESMTP
    Net::SMTP=GLOB(0x83f6d00)>>> EHLO netcore.co.in
    Net::SMTP=GLOB(0x83f6d00)<<< 250-smtp12.netcore.co.in
    Net::SMTP=GLOB(0x83f6d00)<<< 250-PIPELINING
    Net::SMTP=GLOB(0x83f6d00)<<< 250-SIZE 25480000
    Net::SMTP=GLOB(0x83f6d00)<<< 250-VRFY
    Net::SMTP=GLOB(0x83f6d00)<<< 250-ETRN
    Net::SMTP=GLOB(0x83f6d00)<<< 250-AUTH LOGIN PLAIN
    Net::SMTP=GLOB(0x83f6d00)<<< 250-ENHANCEDSTATUSCODES
    Net::SMTP=GLOB(0x83f6d00)<<< 250-8BITMIME
    Net::SMTP=GLOB(0x83f6d00)<<< 250 DSN
    Net::SMTP=GLOB(0x83f6d00)>>> AUTH LOGIN
    Net::SMTP=GLOB(0x83f6d00)<<< 334 XXXXXXXXXXXXXXXXXX
    Net::SMTP=GLOB(0x83f6d00)>>> XXXXXXXXXXXXXXXXXXXXXXXXXXXX
    Net::SMTP=GLOB(0x83f6d00)<<< 334 XXXXXXXXXXXXXXX
    Net::SMTP=GLOB(0x83f6d00)>>> XXXXXXXXXXXXXXXXXXXXXX
    Net::SMTP=GLOB(0x83f6d00)<<< 235 2.0.0 Authentication successful
    Net::SMTP=GLOB(0x83f6d00)>>> MAIL FROM:<>
    Net::SMTP=GLOB(0x83f6d00)<<< 250 2.1.0 Ok
    Net::SMTP=GLOB(0x83f6d00)>>> RCPT TO:<>
    Net::SMTP=GLOB(0x83f6d00)<<< 450 4.1.2 <>: Recipient
    address rejected: Domain not found
    Message Failed: 4.1.2 <>: Recipient address rejected:
    Domain not found
    ------------------

    The error message I get is a 450 , not a 550 one

    Thanks
    Ram


  • Next message: Geert Hendrickx: "Re: dig and rbl"





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