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Discrepancy between blacklist and ip-address-lookup

Orlando Marton

Hello,

If we check the IP through https://www.sophos.com/en-us/support/ip-address-lookup it shows that is OK, but if try to send email to sophos clients it is refused with:

554 5.7.1 Service unavailable; Client host [xxx.xxx.xxx.xxx] is blacklisted. Visit https://www.sophos.com/en-us/threat-center/ip-lookup.aspx?ip=xxx.xxx.xxx.xxx to request delisting



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