How to Conduct an Email Customer Vetting with Example Questions

How to conduct high-volume email customer vetting (with example questionnaire included!)

It can only take one bad apple to spoil the whole bunch (of sending IPs). So, email service providers (ESPs) enact an entire process to research new customers in an to attempt to weed out the bad actors (worms) before they’re able to send their first email. Without proper vetting, spammers and fraudsters can wreak […]

Nurture the seeds of success with email best practices for complex senders

Email best practices pictured as a man watering flowers with envelopes on top of the stems.

Even for the most direct sending use cases where you’re sending on a single domain, email best practices can feel a little bit more like…suggestions. Sometimes we’re guilty of not using our best judgment and while sometimes there’s little to no consequence, that doesn’t mean they’re not important. Like…REALLY important.  Best practices for every sender […]

Gmail Tabs: Friend, Not Foe

The scene: One of your senders calls your customer service team and starts complaining.   What’s the complaint? Oh, just a common one we hear all the time as not just an email service provider (ESP), but as members of the email community at large.  They’re upset their mail is being delivered…to the Promotions tab.  Gasp! […]

The Email Swamp: Don’t Go Bayou-self!

swamp monster climbing out of swamp and scaring man

Let’s not beat around the bush: As an email service provider (ESP), you probably (definitely) have an IP or pool that looks more like a swamp than, well…a pool you actually want to use.  There is nothing wrong with having an Email Swamp! There is, however, a big risk in not watching the swamp like […]

Build, Buy…Diversify!

Build buy or diversify with a mailbox with 3 types of mail going in.

By now, after reading our Build or Buy eBook, which you most certainly did (right?), you likely have a good understanding of the nuance between building or buying your email infrastructure.  If you didn’t read it, it’s no biggie – we’ll give you a quick primer here but strongly encourage you get the full run-down […]

Subdomain Squatters are Threatening Your Email Sender Reputation

A bad actor is using the sender reputation of other brands to send their spam.

Update 2/26/2024: Research published this week from Guardio Labs sheds additional detail on the pervasiveness of the subdomain hijacking attacks we wrote about in this article. The research also performs a more detailed technical analysis along with a tool for checking a database of known compromised domains: https://guard.io/subdomailing. An unfortunate reality of email sender reputation […]

Ducking and Dodging Spam Traps

Email and spam traps have an “It’s Complicated” relationship status on Facebook. Or at least they would if Facebook still had that option.  If you’re here, you likely know enough about spam traps to be dangerous. If not, here is a little quick info to keep you up to speed on what they are and […]

Avoid Santa’s Blocklists This Holiday Season

Ho ho hold on there. Your holiday email program may be running a little behind, but you still can’t run amok.  While Santa’s sleigh is still parked in the hangar, you’ve got some work to do before you can make it rain — er, snow — email. If you don’t, you might find yourself on […]