block details customer to send mail

I am making use of sendmail in RHEL 5. I have 3 mail make up the customers jack, bob and also alice. I intend to see to it that customer bob can send mail to alice yet jack can not send mail to alice. Yet customer jack can send mail to bob. Just how can i do this?

0
2019-05-13 05:19:21
Source Share
Answers: 2
0
2019-05-23 01:32:48
Source

A straightforward strategy would certainly be to set up a.procmailrc documents in Alice is residence directory site to throw out mail from Jack (see "male procmail").

0
2019-05-23 01:31:21
Source