Re: Modern best practice for putting a contact email on the web
> I use some GMX accounts, and they apparently don't support plus
> addressing (I just tried, and the message was refused with "550
> Requested action not taken: mailbox unavailable."). I suppose it would be
> nice if they did support it, but I can't really fault them for not
> supporting a non-standard Google invention.
It predates Google by a long shot.
It was a fairly standard config option back in the days of sendmail+procmail.
Stefan
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