ArchiveMay 2015

It's the recipients

Most delivery problems to US ISPs boil down to sending mail to people who don’t want it or expect it. Sure, we do technical audits and find issues with how companies are sending mail. But all the technical correctness in the world isn’t going to make up for sending mail users complain about or don’t interact with. Recently we were working with a client who was having some...

Purchased Lists and ESPs

After some thought, I’ve decided to remove a few ESPs from this list based on personal experience with them allowing customers to send to purchased lists. If your company has disappeared and you want to come back, you’ll need to actually stop the spam coming from your network. Every company that’s been removed has received a complaint from me specifically mentioning the address...

iCloud Postmaster resources

iCloud Mail (mac.com, me.com, icloud.com) has a shiny, new postmaster resources page. No whitelist, no FBL, just a good list of best practices to follow for sending bulk mail.

What is the Mail From field?

When emails are sent, there are two from fields, the Mail From and the Display From address.  The Display From address (technically referred to as RFC.5322 from address) is the from address that is displayed to the end user within their email client.  The Mail From (technically referred to as RFC.5321 from address) is the email address to which bounce messages are delivered.  The Mail From field...

4 things spammers do legitimate marketers don't

I’ve never met a spammer that claims to be a spammer. Most that I’ve met claim to be legitimate marketers (or high volume email deployers). But there are things spammers do that I never expect to see a legitimate marketer doing. I’ve written about these things throughout the blog (tag: TWSD), but it’s probably time to actually pull them together into a single post. Use...

Four things to check before your next mailing

Like many bits of technology, email is often set-and-forget. Everything is checked and rechecked during setup, and then no one goes back and looks at it again. But mail programs are not static, and people make changes. These changes don’t really break things, but over time they can create their own set of problems. Setting aside some time every quarter or even every year to check and make...

April 2015: The Month in Email

We started the month with some conversations about best practices, both generally looking at the sort of best practices people follow (or don’t) as well as some specific practices we wanted to look at in more depth. Three for this month: Be gracious with opt-out requests. Email marketing is hard. Even when it’s successful, response rates can be very low. It is surely frustrating to hear from...

Office365/EOP and Outlook.com/Hotmail will converge

Terry Zink posted two informative blog posts recently, the first being the change to unauthenticated mail sent over IPv6 to EOP and the second post about EOP (Office365 and Exchange Hosting) and Outlook.com/Hotmail infrastructure converging. Exchange Online Protection (EOP) is the filtering system in place for Office 365 and hosted Exchange customers. Outlook.com/Hotmail utilized its own mail...

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