Spam Resource: All Things Deliverability

Things have become a little more tenuous in the email ecosystem of late. What was once a given, inbox placement is now hard fought. Way back in the year 2000, blacklists had so many false positives, inadvertently (and sometimes intentionally (vertently?)) blocking email from le…

Gmail yesterday announced and unleashed a new way of doing things. They will finally tell users why stuff is in the spam folder, and there has been a lot of excitement in the sending world that there will finally be some clarity at Gmail as to their bulking policies. All told, …

Gmail now tells you why it decided to junk a particular email message. Looking at my voluminous spam folder, every piece of spam I've received seems to have the reason "Why is this message in Spam? It's similar to messages that were detected by our spam filters.&qu…

Sounds crazy, doesn't it? Representatives from fashion designer Nicole Miller shared that unsub rates have dropped and revenue jumped, all thanks to reducing send frequency, from three emails each week down to one single weekly email. This shows that that over-saturating…

You might know Neil Schwartzman. In his long and active career in email and anti-abuse, he once-upon-a-time handled compliance issues for Return Path certified senders,  has consulted with other senders looking to comply with Canada's recent anti-spam legislation, and has l…

Yep, Hotmail does indeed use the Spamhaus SBL as part of their spam filtering and blocking system. I received a report yesterday of this specific SMTP error response received: "550 OU-001: Mail rejected by Hotmail for policy reasons. If you are not an email/network admin p…