Re: Re: 451 response

> 1.6. SMTP Return Codes
>
> [skip]
>
> However, 4xx Temporary Errors may have unexpected interaction with
> MX-records. If the receiving domain has several MX records and the
> lowest preference MX-host refuses to receive mail with a "451"
> Response Code, the sending host may choose to - and often will - use
> the next host on the MX list.

MAY <> MUST? :-))))))).

Сергей. Получено Fri Jul 02 09:07:21 2004