Re: 4xx vs 5xx for spam rejects

Subject: Re: 4xx vs 5xx for spam rejects
From: ibrahim khalifa (maillistval-axs.net)
Date: Mon Dec 20 1999 - 07:29:45 CST

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On Mon, 20 Dec 1999, Michael Sobolev wrote:

> The quiestion is quite simple. Are there any recommendations on when to use
> 5xx codes for spam? I have a problem here. Few hosts are trying to deliver
> spam messages (I do know this is spam) after receiving 4xx code. I would
> easily tolerate that, but they are trying to deliver the messages every minute
> and I am not sure whether they have time limit of any kind: one of the hosts
> tried to deliver the message for 10 days (until, I just ipchained it away!).

4yz = Something went wrong, but try again later it might work then.
5yz = Something went wrong, don't try again later, it will probably not
work then either.

So you are telling them to try again later, and they do as you say, what's
the problem?

//Ibo

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