Spam Resource: All Things Deliverability

Electronic Frontier Foundation's Jeremy Malcolm and Mitch Stoltz published an article yesterday quite reasonably expressing concern over a proposal in front of ICANN that would limit use of "domains by proxy"-style WHOIS privacy for domain registration services. …

It's been a little over a year since Yahoo and AOL implemented restrictive "p=reject" DMARC policies, saying you essentially aren't allowed to use their domains outside of their infrastructure. Death to mailing lists was predicted; but what seems to have act…

Return Path's Tom Sather explains when it's OK to use a shared IP address . Basically, when your volume is very low. He suggests that the cutoff be 50,000 messages a month -- below that level, you should be on a shared IP address. Above that, a dedicated IP address is r…