Joshua, C.S. Chen <cschen <at> asiaa.sinica.edu.tw> writes: > > Hi folks, > I am using spamassassin 3.1.0 and it works well. Now in my institute, we > have 2 mx (mail servers) see it's dns record > > myinstitute.edu.tw. 300 IN MX 100 mail2.myinstitute.edu.tw. > myinstitute.edu.tw. 300 IN MX 2 mail1.myinstitute.edu.tw. > > Now in most cases, spam goes to mail1 and got dropped. This is great. > But then the spam tries to go ahead for mail2, and I did not enable > mail2 for spamassassin (because it is mainly for redundancy, and not > powerful enough). This makes mail2 extremely busy to send reply to the > spammer of user unknown or other reporting messages. > > My question is, if I don't want mail2 to run spamassassin, just for > relaying messages to mail1 (as it's main purpose--redundancy), how can I > configure mail2 "NOT TO" reply the spammer for the undelivery? > > Thanks in advance > Joshua C.S. Chen > >
Can this just hint to you? http://wiki.apache.org/spamassassin/OtherTricks Fake MX Records ... So I set my highest MX record to point to an IP address that always returns a temporary "Come Back Later" error. ... but you need to spend time to collect ip addresses
