Sendmail restrict by domain and ip address
I have a Sendmail server with about 15 domains that it accepts email for. call it: server1.mail
One of the domains (call it: protected.mail), I now have setup a spam server in front of it (so changed the MX record), call it spamserver.mail
How do I setup so that for email that comes into server1.mail (the main email server), will only accept mail for protected.mail domain if it came from the spamserver.mail IP address?
Thanks,
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