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- Mon Dec 07, 2020 11:29 pm
- Forum: Blacklist Help
- Topic: blacklist DNSBL servers - problem with Outlook
- Replies: 1
- Views: 1391
An user configured “Request a Delivery Receipt” and “Request a Read Receipt” in Outlook. But sometimes he got an answer about confirmation of reading marked as Blacklisted according DNSBL list. But if I check sender’s IP address - it is not in blacklist on these DNSBL servers. For example IP address...