Re: Scope of SMTP Verify

Peter J. Holzer wrote:
> On 2004-03-08 16:46:10 -0500, Alan DeKok wrote:
> 
>>"Peter J. Holzer" <[email protected]> wrote:
>>
> 
>>>>    Why is it not using it's own MTA to send mail?
>>>
>>>What is "it's own MTA"? The designated outgoing MTA for the domain in
>>>the return path?
>>
>>  Pretty much.  MUA's should use MTA's to send mail to MTA's.  Your
>>MUA shouldn't be using SMTP to talk to my MTA.
> 
> 
> It isn't. In fact I don't know any MUA which sends mail directly to the
> recipient's MX. That doesn't mean none exist, but they are pretty rare.
> So this seems to be a bit of a red herring.
> 
> The more common case is that someone sets up an MTA on a PC and does not
> configure it to relay through their ISP's smarthost. That doesn't make
> the MTA a MUA. Also worms, spambots, etc. are not MUAs (they don't
> interact with a user).
> 

I thunk we are refering to a case of a hijacked computer which is 
sending out email directly to someone's MTA. In that case, it appears as 
if an MUA is sending email to someone's MTA.

Yakov