Hi, Some of our IPs are blocklisted by you: 50.31.205.204-206 With the following message: smtp;550 Sophos Anti Spam Engine has blocked this email because the sender IP address is blacklisted. I am trying to delist them using the following…

Email to Sophos customers is blocked. Our mail server is not on any blacklist and the Sophos website also says that the IP address is not listed. On the other hand, we have log file entries from Sophos that say the opposite. Our customers who use Sophos…