In an effort to reduce spam, I would like to defer (rather than outright refuse) reception on any message that comes from a server without a PTR.
I am not sure how to create an ACL to check for a non-existent PTR/unresolvable IP. I haven't found in FAQs this question. Advice would be appreciated. Thanks, -- ## 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/
