Posts tagged

Isp


Delivery Speed, Part 1

Over the past year, I’ve seen MailChimp grow and grow. Along with all our new users, it seems like we see bigger and bigger lists every month.  In terms of email volume, our current daily average is now higher than our daily peak was one year ago.  To keep up with this explosion, we’re warming …

Comcast Delivery Tips

A couple days ago, Comcast sent an email asking for feedback about their feedback loop. Rare to see an ISP genuinely asking email senders what they think. Anyway, this meant I got to speak with one of their senior spam analysts on the phone today. Now I’ve spoken with a lot of ISPs, and I …

Email Authentication by ISP

A few of our customers have been asking us about this bit of news from ReturnPath: AOL Changes Authentication and Whitelist Standards. According to George Bilbrey, AOL, Gmail, and Yahoo have implemented DKIM email authentication. For those of you who don’t know, authentication is a way to prevent email forgeries, and it can improve your …