RE: [cobalt-users] new to raq 4, email does not work

["Dan Kriwitsky" <list3@xxxxxxxxxxxxxxxxxxxx>]

> On Sunday 25 April 2004 09:20 am, Dan Kriwitsky wrote:
> 
> > I wouldn't recommend pointing your MX to a charter.com IP. If you 
> > tried to send me mail from 68.117.108.42 it would be 
> rejected because 
> > it resolves to charter.com. You should probably smarthost via 
> > Charter's valid SMTP servers.
> 
> I see in this paragraph what I think is a misunderstanding of 
> what "MX" 
> means.  MX records in DNS point to mailservers that receive 
> email; not 
> necessary to mailservers that send email.  Having an MX 
> record point to 
> a charter.com IP shouldn't be a problem as far as receiving email is 
> concerned.
> 

IIRC, some ISPs block IPs in DNSBL lists in both directions. So mail
going to an address that resolves to a DNSBL listed IP would not go
through.

But, Jeff, I just noticed this was a hijacked thread so I'm surprised to
see you post. ;-)
-- 
C2003 Dan Kriwitsky

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