> my mail server has been listed at backscatterer.org, and on their site > they suggested that i should only send bounces to local users but i dont > know how to implement this in exim. recently i found out that some of > the ip's i allow relay for are infect and send a lot of mails with fake > sender addresses, is their a way in exim that i can allow only senders > with local + "accepted" domains to relay mails from my mail server. eg: > that i allow a [email protected] from <1.2.3.4> to relay through my > server but [email protected] from <1.2.3.4> not relay or send any > mails. this will really help me as now what i normally do is block the > smtp for the specific ip sending those spams which affect any legitimate > emails. I really need help on this two problems. here is an example from > the backscattere website. > > Backscatterer - Why it is abusive and how to stop your system doing so > > Email servers should be configured to provide Non-Delivery Reports > (bounces) to local users only. > Unacceptable email from anywhere else should be rejected.
When my email server was getting listed it was due to over quotta accounts generating bounces. In the end I wrote perl script that creates a list of over quotta email address every 5 minutes and rejects at SMTP time rather then creating the bounce. Matt -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
