sendmail not relaying

[Matt Shaffer_1]

Here's the scenerio: rhel4 box running sendmail and sendmail-cf-8.13.1-2. I have added the exchange front end (efe)server to /etc/hosts. I have the line define('SMART_HOST', 'efe.mydomain.com') in my sendmail.mc file, have run make -C /etc/mail, have added entry for DSefe.mydomain.com in sendmail.cf and have restarted sendmail. In maillog I still see root@localhost as the relay. And I'm not getting my email. Why?

[Stuart Browne · Accepted solution]

You've still not told us enough information here.

Is the RHEL box accepting mail fromt he outside world, and supposed to be forwarding it to the efe?

Or is it the other way around?

In any case, the 'DS' rule (Smart Host) only says where to send messages that have been accepted for RELAYing.

The '/etc/mail/access' file needs to be modified to say what to relay (followed by the same make as above).

[Alexander Chuzhoy]

Generally, although it's possible to edit with /etc/mail/sendmail.cf, it's best to edit /etc/mail/sendmail.mc and then you need to run (after you backup /etc/mail/sendmail.cf):

m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf

check that efe.mydomain.com is reachable with
telnet efe.mydomain.com 25

[Stuart Browne]

Alexander, that's what he did. The 'make -C /etc/mail/Makefile' does the m4 for you on a RH/FC box (newer then RH7).

[Matt Shaffer_1]

I am trying to send email from the rhel4 server to my Outlook account and to my Yahoo account.

[Steven E. Protter]

Shalom,

1) Exchange must specifically permit relay from the linux machine or the operation will fail no matter what you do to the linux system. By default exchange does not permit relay.

2) sendamil -v -d8 -d38 someone@some.net

type some text.

.


This should get you the failure reason which would be helpful in determining if this has anything to do with Linux sendmail configuration.

SEP

[Matt Shaffer_1]

This is what happens when I ran this command. I got a Name server timeout message.

RPSPRO.wescodist.com# sendmail -v -d8 -d38 mshaffer@wescodist.com
wescodist.com: Name server timeout
mshaffer@wescodist.com... Transient parse error -- message queued for future del
ivery
test test test
.
mshaffer@wescodist.com... queued

[Matt Shaffer_1]

It was /etc/resolv.conf.

[Matt Shaffer_1]

I had to edit /etc/resolv.conf.