Re:Yahoo Triples Estimate of Breached Accounts to 3B
by BoorishBears on Tuesday October 03, 2017 @06:02PM
(#15396600)
The problem is not all legitimate sites/sources will actually accept '+' as a valid email character even though the RFC says it's a valid email character.
Which works, until the Gmail users who bother using + addresses with filters start giving all legitimate senders + addresses and sending everything thst doesn't have one and doesn't come from Google straight to deletion (possibly with a stop by “mark as spam” en route.)