Changing domain sendmail sends mail with
I have a sendmail server that is working fine.
I have MX records for name.domain.com and domain.com
All mail for firstname.lastname@example.org and email@example.com is delivered successfully to the user.
The problem I'm having is that unless the user specifies in thier mail client (pop3, imap or PINE) that they want thier reply to address as @domain.com the mail is sent out as coming from firstname.lastname@example.org.
This wasnt a big problem until I setup vacation for autoreplies. Here there is no client and so its all going out as email@example.com
Is there something I can set in the sendmail.cf or sendmail.mc that can specify that I want all mail to go out looking as if its come from firstname.lastname@example.org
Or is this where you specify the MX preference level on your DNS server???
PS : I have searched this forum and the answers that are here are not working for me. Oh I am also using Red Hat 7.3 and sendmail 8.11.6
thanks for your help,
unless you have DNS servers and other such complications running on the server, then i believe you can just fiddle with your standard /etc/hosts file and change the order in which the names are listed for each relevant IP. as you'd expect, they get resolved left to right, so make sure your preferred domain name is first in the list e.g.
hmm, I changed that and it didnt seem to make a difference, is there anything I need to restart after modifying /etc/hosts
My /etc/hosts looks like this now.
xxx.xxx.xx.xx domain.com name.domain.com name 127.0.0.1 localhost
but whats interesting is my machines real name is name2.domain.com, name.domain.com is just a DNS alias for name2.domain.com (a botchy server migration someone did on this) but its the name2 address the mail is going out as.
Is there a way to get sendmail to do this, the same way you setup the reply-to: field on a client or the default-domain in PINE?
ok so you are going through DNS as well? are you sure that the zone records are set up properly for it?
i think you can just define the actual domain name within sendmail with a line like "DOMAIN(`domain.com')dnl" in the sendmail.mc file (no idea what the real sendail.cf line would be though. This does seem to be forcing it though, and there should be a more natural solution. but there's suerly nothing technically "wrong" with doing this...
If you have access to dns server, why don't you just add an mx entry for the 2nd name?. You might also need to put it in local-host-names in your mail server.
Thanks acid, you put me on the right track and I've figured this out now.
To do this you need to have an MX record for mydomain.com and then put the following in your /etc/mail/sendmail.mc file.
and then get your new sendmail.cf from the m4 macro-processor (backup old .cf first).
m4 /etc/mail/sendmail.mc > /etc/sendmail.cf
then restart sendmail.
thanks for your help.
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