Spam Resource: All Things Deliverability

I just replied to an email from a guy who thinks I'm blocking his mail. I'm not, because I don't run a blacklist or a spam filter, and haven't done so for years. I would have loved to have helped guide him in the right direction, but my reply to him bounced beca…

Need a "common sense" breakdown showing you what characters should be allowed in the username part (local part) of an email address? This handy guide from Jochen Topf covers exactly that. It doesn't EXACTLY align with RFCs, but when you look at it from a common …