What a month!
After the tele2.fr emails about to die out soon (see post), Verizon is now out for good.
I received an alert from Retrunpath:
[...]Verizon's telephone business in the Atlantic North East, sold back in 2007, has completed their transition of email addresses. The migration of Verizon addresses to Fairpoint Communications started a few months ago and was completed during this last week. [...]
The error code received on the SMTP log is the following: 550 4.2.1
It should be considered as a Hardbounce (dead email).
Still on the Returnpath alert email:
[...] There is no 1 to 1 conversion of Verizon to Fairpoint Communications so simply changing the domain will not suffice in this case.[...]
You can trash right away all Verizon email addresses in your DB
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