> It probably does get used for spam quite a bit - relatively to gmail/outlook/etc., not in absolute terms that is Not really, big players have the advantage t

> It probably does get used for spam quite a bit - relatively to gmail/outlook/etc., not in absolute terms that is Not really, big players have the advantage that nobody is going to block them. Most of them spam regularly by thousands of letters before some automation of theirs triggers (or the spammer stops).