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Re: master.debian.org randomly deferring mail


On Sat, Apr 05, 2003 at 02:11:17PM +0200, Josip Rodin wrote:

> To quote the documentation,
> Exim insists on there being at least one verifyable address in one of the
> "Sender:", "Reply-To:", or "From:" headers (which are checked in that order)
> on all incoming SMTP messages. If one cannot be found, the message is
> rejected, unless "headers_checks_fail" is unset, in which case a warning
> entry is written to the reject log.

The big question is, what is a "verifyable address" in this context? As
in 'domain must have MX or A record'? As in 'VRFY', i.e. primary MX's
MTA must not reject? 

Of course, the whole concept of verifyable addresses is a bit flawed
because it's too vague. A bitbucket or an address that will always
bounce at the MDA stage is still "verifyable" by a lot of definitions.



E-Advies - Emile van Bergen           emile@e-advies.nl      
tel. +31 (0)70 3906153           http://www.e-advies.nl    

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