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by jandiblik
Mon Dec 07, 2020 11:29 pm
Forum: Blacklist Help
Topic: blacklist DNSBL servers - problem with Outlook
Replies: 1
Views: 1390

blacklist DNSBL servers - problem with Outlook

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...