Postimestaria vaaditaan, SourceForge...

[Asmo Koskinen]

No, yritin lähettää viestin SourceForgen ltsp-listalle niin kuin ennenkin. Vastaus tuli takaisin bumerangina. Tavanomainen sähköposti kulkee.
Paikallinen KOPU toimii postimestarina.

Mitähän tämä nyt sitten on?

Koodia: [Valitse]

The original message was received at Wed, 30 Jan 2008 18:53:05 +0200
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   ----- The following addresses had permanent fatal errors -----
<ltsp-discuss@lists.sourceforge.net>
    (reason: 550-Postmaster verification failed while checking <asmo.koskinen@arkki.info>)

   ----- Transcript of session follows -----
... while talking to mail.sourceforge.net.:
>>> >>> DATA
<<< 550-Postmaster verification failed while checking <asmo.koskinen@arkki.info>
<<< 550-Called:   217.30.180.89
<<< 550-Sent:     RCPT TO:<postmaster@arkki.info>
<<< 550-Response: 550 5.1.1 <postmaster@arkki.info>: Recipient address rejected: User unknown in virtual alias table
<<< 550-Several RFCs state that you are required to have a postmaster
<<< 550-mailbox for each mail domain. This host does not accept mail
<<< 550-from domains whose servers reject the postmaster address.
<<< 550 Sender verify failed
550 5.1.1 <ltsp-discuss@lists.sourceforge.net>... User unknown
<<< 503 valid RCPT command must precede DATA



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Date: Wed, 30 Jan 2008 18:53:04 +0200
From: Asmo Koskinen <asmo.koskinen@arkki.info>
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Ystävällisin terveisin Asmo Koskinen.

[Ninnnu]

Luo osoite postmaster@arkki.fi?

[Asmo Koskinen]

Luo osoite postmaster@arkki.fi?

No mutta, sehän toimi. Mutta mitä järkeä on luoda feikki-tunnus (postmaster@arkki.info) - minulla ei ole omaa postipalvelinta Arkki.infossa, eikä siis postimestariakaan? Miksi SF on nyt keksinyt ruuvata tuollaista kohtaa tiukemmalle?

Ystävällisin terveisin Asmo Koskinen.

[mgronber]

No mutta, sehän toimi. Mutta mitä järkeä on luoda feikki-tunnus (postmaster@arkki.info) - minulla ei ole omaa postipalvelinta Arkki.infossa, eikä siis postimestariakaan?

Standardi edellyttää että domainilla on postmaster-tunnus.

4.5.1 Minimum Implementation

[...]

   Any system that includes an SMTP server supporting mail relaying or
   delivery MUST support the reserved mailbox "postmaster" as a case-
   insensitive local name.  This postmaster address is not strictly
   necessary if the server always returns 554 on connection opening (as
   described in section 3.1).  The requirement to accept mail for
   postmaster implies that RCPT commands which specify a mailbox for
   postmaster at any of the domains for which the SMTP server provides
   mail service, as well as the special case of "RCPT TO:<Postmaster>"
   (with no domain specification), MUST be supported.

[...]

Miksi SF on nyt keksinyt ruuvata tuollaista kohtaa tiukemmalle?

He pyrkivät omalla toiminnallaan edistämään standardien noudattamista.