On Tue, 2003-07-22 at 06:28, Martin Fahrendorf wrote: > Am Dienstag, 22. Juli 2003 13:48 schrieb stefmit: > > On Tuesday 22 July 2003 12:18 am, Martin Fahrendorf wrote: > > > Am Montag, 21. Juli 2003 22:18 schrieb JoeHill: > > > > Hello, > > > > > ... > > > > I have the same setup at home (postfix for localhost, and dynamically > > assigned address), and what I found out from some receiving systems/ISPs > > was that they were rejecting my email not because of the membership to a > > specific pool of addresses, but rather because of the reverse lookup, that > > would either fail, or be dynamically associated with broadband or dial-up > > domains. The moment I registered my domain, and pointed back to my IP > > address (which - by the way - as "dynamic" as it was advertised, I just > > "fixed" it on my firewall, and never had a problem ;)), all emails started > > flowing just fine, regardless of the pool of IPs I was part of ... so check > > out this alternative, also. > > It is a little bit of both. Some dynamic IP addresses will be blocked because > they are dynamic and some don't. The forward and reverse lookup is a complete > different thing. every ip address and domain in e-mail traffic must be > forward and reverse resolvable. sometimes it works without, but most of the > time it don't. > > > > > Stef
The other thing I've run into..(Mainly with gnu list serv lists.) is that apparently the RFC requires that [EMAIL PROTECTED] exist. If it doesn't they will refuse all e-mail, Even if you have reverse DNS etc. Great idea .... now I'm guaranteed to have an e-mail address spammers can send to. James
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