Hello mailbox providers, Recently we have introduced a new /24 IP range to our mail sending infrastructure: 45.86.119.0/24
This is not a new process and we did not encounter any issues before. However, initially this particular range came with geolocation being registered to Turkey in RIPE. That has, obviously, caused some mailbox providers, that check IP address geolocation of incoming emails, to recognize it as IP sending emails that originate from Turkey and that has caused delivery issues. The geolocation of this new range was changed around month ago before we started any warmups. However, this week we were informed by one Australian provider that they still had the old geolocation set for this IP range and thus our mails were strictly rate-limited. If you are a mailbox provider and you check geolocation as one of the filtering/rate limiting/sender reputation criteria, could you double check which geolocation you see for this /24 IP range? Do not hesitate to get back to me off-list. Any tips on what to keep in mind when acquiring and setting up new ranges are also welcome. Would be nice to avoid the same thing in the future. Best regards, Vytis Email Deliverability Emarsys
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