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Re: Domain of sender address does not exist




So Alamicha - you need to get on the phone to my friend Chima at SDNP and
get him to fix the DNS issue.

Brian

On Wed, 9 Apr 2003, Stephane Bortzmeyer wrote:

> On Wed, Apr 09, 2003 at 12:45:03PM +0200,
>  Alamicha Chapuma <achapuma at eomw.net> wrote
>  a message of 58 lines which said:
>
> > The domain in question is africaleaf.com the message was as shown below
>
> The domain is indeed broken:
>
> ~ % check_soa africaleaf.com
> RUO.LELAND-MW.ORG is not authoritative for africaleaf.com
> omega.eomw.net has serial number 2003040201
>
> but should nevertheless work, there is a MX record. It seems there is
> a DNS problem at malawi.net, anyway (see next message).
>
> > Diagnostic-Code: SMTP; 553 5.1.8 <sue at africaleaf.com>... Domain of sender
> > address sue at africaleaf.com does not exist
>
> It is a bad idea to send a permanent error code (518) for a DNS
> problem, anyway, since they may be transitory. Here is an example of
> the default Postfix configuration when rejecting unknown domains (the
> error code is 450, meaning it's temporary).
>
> % telnet mail.netaktiv.com smtp
> Trying 80.67.162.6...
> Connected to soyouz.netaktiv.com.
> Escape character is '^]'.
> 220 mail-aubervilliers.netaktiv.com ESMTP Postfix
> HELO foobar
> 250 mail-aubervilliers.netaktiv.com
> MAIL FROM:<toto at fgfgsdfqhgfdshgfdshfsdqhg.fr>
> 250 Ok
> RCPT TO:<bortzmeyer at netaktiv.com>
> 450 <toto at fgfgsdfqhgfdshgfdshfsdqhg.fr>: Sender address rejected: Domain not found
>
>
>
>
>
>
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