>However, is it unreasonable of me to expect that I should be able to find
>an ISP that allows this?
no, it's extremely easy to find a provider who allows spamming from their
DUL's. Just choose any ISP from the mail-abuse.org DUL database! vbg
many ISP's are pretty clueless on more fundamental ISP tasks like DNS
setup, so something like blocking all SMTP traffic between their dialup
ip's and any ip's OTHER than their own mail servers' ip's is unfortuntatly
(fortunately for you, vbg) a ways off.
Note that it's mostly the largest ISP's who can afford with full time ip
networking / router engineers and packet filtering routers at the
appropriate chokepoints who've taken the lead doing this.
We should all follow their lead and a thread here how to do approach would
not be Off Topic.
>If all dialup ISPs deny access to the SMTP port, how can I test things
>from home?
You'll have to do it by sending a msg, forcibly thru your dial-up
provider's mail server, to an account on the target mailserver, then POP
the account to see if the msg arrived. This checks both our POP3 and SMTPD
server of the target.
If that special target account is also set up with a forwarding rule to yr
account on yr dial-up provider's mail server, POP that, too, which will
show if the target mailserver's "SMTP client" service is sending mail.
Len
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