On 10/10/02 at 14:07, Michael wrote:
> Did SIMS deal with the 553 error code correctly or should mac.com
> have used a different code?
>
> I would think that SIMS should try later, but I don't think mac.com
> gave the correct code.
A 5xx response code is a permanent failure, which essentially tells the
sending MTA (SIMS) that it shouldn't bother to try again. It looks like
mac.com has a policy to not accept mail from senders with non-existent
(presumably bogus) domains. If that's the case, then a permanent failure is
appropriate. If the policy is unlikely to change, any messages with the
same sender are more than likely to continue to be rejected.
As to why mac.com thinks that frontiernet.net doesn't exist, I can't say.
It resolves just fine from here:
frontiernet.net. 15M IN A 66.133.130.13
> >SMTP-575(mac.com) Sending MAIL From:<[EMAIL PROTECTED]>\r\n
> >SMTP-575(mac.com) Input Line: 553 5.1.8 <[EMAIL PROTECTED]>...
> Domain of sender address [EMAIL PROTECTED] does not exist\r
> >SMTP-575(mac.com) 'From' rejected, got 553 5.1.8 <[EMAIL PROTECTED]>
> ... Domain of sender address [EMAIL PROTECTED] does not exist\r
> >SMTP [S.0000041609] rejected by mac.com. Error Code=-15005:553
> 5.1.8 <[EMAIL PROTECTED]>... Domain of sender address
> [EMAIL PROTECTED] does not exist\r
--
Christopher Bort | [EMAIL PROTECTED]
Webmaster, Global Homes | [EMAIL PROTECTED]
<http://www.globalhomes.com/>
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