Sendmail Scondary MX and SMART HOST
Hi all
I am running a sendmail server which is used as - secondary MX - as a smarthost requirment :- for customer domain (test.com) i have confiugred my server as a secondary mail server BUT i want to restrict the customer by any means to stop using my smtp server as a smart host please help |
Do not relay mail for their netblock, just provide backup mx functionality for their domain. In sendmail terms that means removing their netblock from the access db.
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Tks for the reply
i am bit confused correct me if i am wrong after configuring the seconday mx I will be entering the doamin name in access file therefore by doing this am i preventing them using the same server as a smart host please advice |
No thats not correct actually you need to put the domain name in /etc/mail/relay-domains and set your mailertable to point to the primary MX bypassing DNS
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