yOn Sun, 2 Feb 2003, Tom Lane wrote:

> "Marc G. Fournier" <[EMAIL PROTECTED]> writes:
> > 'K, this doesn't make sense ... is [EMAIL PROTECTED] a valid
> > recipient? *puzzled look*
>
> > In:  MAIL FROM:<[EMAIL PROTECTED]> SIZE=2629
> > Out: 250 Ok
> > In:  RCPT TO:<[EMAIL PROTECTED]>
> > Out: 450 <[EMAIL PROTECTED]>: Sender address rejected:
> > unverified sender address: host mail.postgresql.org[64.49.215.8]
> > said: 450
> > <[EMAIL PROTECTED]>: User unknown in local
> > recipient
> > table (in reply to RCPT TO command)
>
> Reading between the lines of the error message, it looks to me like
> meiway.com's mail server is programmed to take the MAIL FROM address,
> connect back to the sending server, and see if it can RCPT TO that
> address before it will accept the incoming mail.
>
> I have zero sympathy for that approach, but won't waste our list
> bandwidth on exactly why it's a brain-dead sociopathic antispam
> technique.
>
> What seems odd is that it didn't work.  Shouldn't postgresql.org
> have accepted [EMAIL PROTECTED] as an incoming
> mail address?

Hrmmmm:

venus# telnet mail.postgresql.org smtp
Trying 64.49.215.8...
Connected to mail.postgresql.org.
Escape character is '^]'.
220 postgresql.org ESMTP Postfix (2.0.2)
vrfy [EMAIL PROTECTED]
252 [EMAIL PROTECTED]

should have worked ... I know I was having problems with the use of the +
in the email address, that I just fixed .. maybe this was just before that
fix/



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