Simple way of blocking relay of spam on submission port 587

2019-06-20 Thread mabi
Hello, I am using OpenSMTPD for authenticated people with their mail client to send mail on port 587 (typical mail submission scenario) and am trying to find out a simple way to block these relayed mails in case they are detected as spam by SpamAssassin. For that purpose I evaluated spampd

Re: RBLs?

2019-06-20 Thread John Cox
Hi >Hi, > >I’ve been using a combination of OpenSMTPd and spamd on OpenBSD (currently at >6.5) for some time and with success. However, there are still some >false-negatives and I’m looking at ways of reducing those. One way is by >making use of RBLs. > >(I’ve evaluated delivered spam and the

Re: RBLs?

2019-06-20 Thread Mischa
Hi Tom, Getting a filter to do this would be great. I had a similar discussion on Mastodon the other day and there is an RBL which can be download and used with spamd. It already helps a lot on our setup. I am using the following script to collect the RBLs and to make them usable for spamd.