Dear Greg,
On 20:00 07.03.2004, you [Greg Strong] wrote...
> How do you think these new initiatives will effect those who run their
> own email servers &/or those who use their ISP to send mail for their
> owned domains.
It (SPF) will affect you if you send mails using your own server, but
with the identity from your provider. Quick example for America Online:
[EMAIL PROTECTED]:~$ host -t TXT aol.com
aol.com TXT "v=spf1 ip4:152.163.225.0/24 ip4:205.188.139.0/24
ip4:205.188.144.0/24 ip4:205.188.156.0/24 ip4:205.188.157.0/24
ip4:205.188.159.0/24 ip4:64.12.136.0/24 ip4:64.12.137.0/24
ip4:64.12.138.0/24 ptr:mx.aol.com ?all"
Currently, aol hasn't enforced strict checks ("?all"), but as soon as
they switch ("-all"), only these listed IP, respective servers behind
them, will officially be allowed to use a senders address ending with
@aol.com.
Now suppose you have an aol.com account, but send using your own mail
server, your mail would be rejected as spam. AOL, like all supporters
of SPF, offers an SMTP AUTH server that you can use to submit your
mails (smtp.de.aol.com/smtp.cs.com); this works with The Bat as well.
If you're using your own domain, you need to enter the "allowed" mail
servers, for example your ISPs mail server or any mail server you use
to send your mails, into your DNS TXT records. There's a good wizard
at <http://spf.pobox.com/wizard.html>, it might help you for this
setup.
HTH!
Cheers,
Johannes mailto:[EMAIL PROTECTED]
--
A diplomat is someone who can tell you to go to hell in such a way that
you will look forward to the trip.
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