8.04 MTA?

[Rashkae]

Steve Lamb wrote:
> Rashkae wrote:
>> I apologize for my statement.. I would forever be in love/lust with a
>> mail server that behaved this way.  Is there one?
> 
>     Exim with exiscan-acl compiled in (exim-daemon-heavy in Debian has it, not
> sure if that strain made it into Ubuntu).  I also use SA-Exim for the SA
> filtering since it is a bit more rubust at that portion than exiscan-acl.
> But, yes, that is how my mail server works right now.  It does basic checks
> pre-data and a content filter post-data but pre-acceptance.
> 
>> I'm not up
>> to snuff on the RFC's, but I wonder if it's even possible.. Is it legal
>> for a mail server to reject a message with a 550 after indicating that
>> it will accept the transmission?
> 
>     Yes.  550 is legal after the data block.  In fact in my many discussions
> on virus/spam filtering it's the consensus among people I trust and are a tad
> more versed with the RFCs than I am that this is the proper thing to do since
> it places the bounce where it should be and avoids the Hotmail/Yahoo/GMail of
> accept and silently drop.
> 
>> (You know that leaving your mail server host name as localhost will get
>> you on an RBL list
> 
>     Well, that is silly.  I presume this was from one of my mutt messages?
> I'm runninomething bogus in there but having a perfectly valid
> location, IE "the same dg mutt on the same machine as the SMTP server.  It received it from
> localhost.  I can put samn machine", is frowned upon.  Meh.  I'll have to
> check the headers myself (shows how rarely use mutt as a fallback) but thanks
> for the heads up.  ;)
>

Oops, no no, I was ranting about something that happened to me, because
like you, I got lazy and let a non e-mail server send e-mail directly,
and bam, network ended up on RBL.