14 Nov
                
                    2021
                
            
            
                14 Nov
                
                '21
                
            
            
            
        
    
                8:26 p.m.
            
        On Sun, 14 Nov 2021 08:12:53 -0800, Michael Peddemors wrote:-
And there are RBL's now for know IP(s) used by IMAP hackers, including SpamRats RATS-AUTH that can assist in reducing those attacks.
Looking at https://www.spamrats.com/rats-auth.php the "Example Usage in Dovecot" says "PLEASE UPDATE".
How would one use a DNSBL like this in Dovecot to reject IMAP connections from listed IPs?
-- Best wishes, Matthew