To: [EMAIL PROTECTED]
Subject: Re: [IMail Forum] Sender domain must exist???
This is typical of not having your reverse lookups (PTR Record) in your DNS
set up correctly.
Assuming that 202.181.203.70 is your mail server then you can see that there
is no PTR record associated with this IP so
10:06 11:18 SMTP-(008F) 501 [EMAIL PROTECTED]... Sender domain must
exist
10:06 11:18 SMTP-(008F) ERR undeliverable 501 [EMAIL PROTECTED]...
Sender domain must exist
It sounds like the remote SMTP server has spam prevention program set up
that checks the sender's E-mail address to
This is typical of not having your reverse lookups (PTR Record) in your DNS
set up correctly.
Assuming that 202.181.203.70 is your mail server then you can see that there
is no PTR record associated with this IP so when the receiving mail server
checks the IP to see if you exist it gets nothing
If you have your security settings set to relay for local users only, and
the client has a reply address in their software, that does not match the
account being sent from. You will get this message.
Jim Barber
- Original Message -
From: Lee Cuevas [EMAIL PROTECTED]
To: [EMAIL
I posted this earlier but would like to hear what others think of this...
We had the same problems until we set up a c-name record to point to just
ourdomain.com. We had mx pointing properly to mail.ourdomain.com.
mail.ourdomain.com resolved properly from the ip (reverse) and
www.ourdomain.com
AWe had the same problems until we set up a c-name record to point to
just
ourdomain.com. We had mx pointing properly to
mail.ourdomain.com.
mail.ourdomain.com resolved properly from the ip (reverse) and
www.ourdomain.com
resolved to our webserver. But we were having problems
with aol, digex, and
