I've got just a tiny slice of data for you today. I took the top 100 (US) mailbox provider domains, as measured by mail sent to them, and looked for DMARC records. Do they have a DMARC recor…
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Onet is Poland's number two mailbox provider (behind Wirtualna Polska). Onet's domains subscriber email domains include op.pl, onet.pl, vp.pl, poczta.onet.pl, autograf.pl…
As mentioned before , Google's planning to disable and delete accounts that have been inactive for two years or longer; they promise not to start doing this until December; t…
Okay, so it should be obvious to everyone nowadays that email addresses die. They go dormant because the users on the other end of that mailbox have given up on that mailbox; hav…
