> 3. Playing -- situations like home Linux boxes where people want to
> make the connections direct because they can.
>
> There may be other reasons I've missed, as well.
I have a permanent link to the Internet. However, I don't control the
reverse lookup of my IP address, which is something that will probably be
considered a "dialup pool IP" by some anti-spam zealot. I receive several
hundred messages a day to this IP, delivered directly to my Unix
workstation. My machine also sends outgoing mail directly via SMTP, and
is certainly more reliable than whatever SMTP servers my ISP has. I
wouldn't consider that "playing".
Seems like the only folks who think it's OK to ban SMTP from dialups are
those who don't need to use such a setup themselves. Are you going to
consider ADSL/cablemodem IP pools "dialups" as well? In that case you are
going to block mail from lots of small business/SOHO LANs running their
own mail servers...
- Mike
