Spam Resource: All Things Deliverability

b2c

FBLs in 2023: are they needed? How should you handle them?

byAl Iverson -Thursday, September 21, 2023

As noted recently, Validity plans to start charging for ISP feedback loop complaint feeds . Free…

bounces

Microsoft: Multiple types of invalid user bounces

byAl Iverson -Wednesday, September 20, 2023

Sending mail to Microsoft domains can mean you get different types of bounces back for what is e…

inactive subscribers

Onet (Poland): Account Inactivity Policy

byAl Iverson -Tuesday, September 19, 2023

Onet is Poland's number two mailbox provider (behind Wirtualna Polska). Onet's domains s…

authentication

Gmail now rejecting unauthenticated mail

byAl Iverson -Monday, September 18, 2023

Gmail has long pushed for adoption of email authentication best practices from email senders, ef…

blocklist

Spamhaus: The return of the ASN-DROP

byAl Iverson -Friday, September 15, 2023

Spamhaus just announced that they've "reinvigorated" the ASN-DROP list , now avail…

deliverability

Salesforce Marketing Cloud: Deliverability Fundamentals

byAl Iverson -Thursday, September 14, 2023

For those that don't know, I was director of deliverability for Salesforce Marketing Cloud …

changes

Validity to start charging for Feedback Loop email feeds

byAl Iverson -Wednesday, September 13, 2023

Email feedback loops have a long history as a component of the sending, receiving and handling …

deliverability

Now hiring: Inbox Monster

byAl Iverson -Tuesday, September 12, 2023

Inbox Monster is "an email signals platform that provides visual renderings and deep insig…

b2c

jwz: US B2C domain rankings in the wild

byAl Iverson -Monday, September 11, 2023

Jamie Zawinski, aka jwz , owns DNA Lounge and DNA Pizza in San Francisco. He's also part o…

now hiring

Now hiring: Zeta Global

byAl Iverson -Wednesday, September 06, 2023

Zeta Global is looking for a US-based Senior Deliverability Specialist . Could that be you?  In …