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by thanksgiving 3339 days ago
No, I don't think what google does is standard behavior (not trying to say anything bad about Google; I love Google). However, as far as I know, disallowing + is not a particularly good way of preventing abuse. I won't go as far as to say it semms like bad code but it is pretty close.

I think it is OK to make a special case for Gmail and Google mail but it is counterproductive to try to crown it as a de facto standard.

http://mozilla.wikia.com/wiki/User:Me_at_work/plushaters?use...
1 comments
noja 3339 days ago
huh? Google's special behaviour is that they are blind to dots in the user part of the address.

The + sign is not anything to do with Google.

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thanksgiving 3338 days ago
Oh I didn't know. Just found https://tools.ietf.org/html/rfc5233 after trading what you wrote.

I just assumed + is a valid character and a+b@example.domain would be a valid email address independent of a or b. But it seems we shouldn't allow + or -- when people sign up for a new email address?

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