I have a mail server configured to use DNS real-time blacklists (DNSRBLs), e.g. zen.spamhaus.org, to determine whether delivered email is spam or not. I would like to evaluate my mail server's ...
Our email server has ended up in the sorbs.net blacklist and we're going round in circles trying to get it removed, currently this is causing down-time between our suppliers. I am a developer and not ...
I just got this bounce message: <████████@att.net>: host scc-mailrelay.att.net[18.104.22.168] said: 521-22.214.171.124 blocked by sbc:blacklist.mailrelay.att.net. 521 DNSRBL: Blocked ...