Check result of IP
208.75.123.161

This is the rDNS found:

This IP is listed by bad reputation in 50% of negative points.

In order for this IP to be removed from this list, it is necessary that the source MTA reduce the sending volume for the recipients with SPFBL rejection prefix at SMTP layer.

The reputation time frame is seven days, so you must wait its ending after all abuses is stopped.


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