ISP and SMTP Authentication

[Alexander Dalloz]

Am Di, den 18.05.2004 schrieb Aaron P. Martinez um 05:11:

> If you're running a mail server, why are you relaying through your isp's
> server?  seems a waste of a hop don't you think?

> Aaron

Mostly not. Because home users seldom have a resolvable domain name with
their home (DSL, modem or whatever) connection. So using the own MTA to
deliver directly will cause many mails fail because most MX hosts reject
mails coming from unresolvable hosts and/or from dial-up IP ranges.
Using the ISP's SMTP server as smart host is a very common setup.

Alexander


-- 
Alexander Dalloz | Enger, Germany | GPG key 1024D/ED695653 1999-07-13
Fedora GNU/Linux Core 1 (Yarrow) on Athlon CPU kernel 2.4.22-1.2188.nptl
Sirendipity 12:11:54 up 5 days, 9:56, load average: 0.85, 0.41, 0.30 
                   [ Γνωθι σ'αυτον - gnothi seauton ]
             my life is a planetarium - and you are the stars
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