Get to the Inbox by SuretyMail email deliverability services logo
We talk a lot about email opt-in here, and you may be wondering "what is a good opt-in definition" or "what is the definition of confirmed opt-in" or even "how does double opt-in work?" (We get all of those questions.) If you are not sure about the exact definition of opt-in when it comes to building email marketing lists or other types of email lists, or the definition of spam, here is a quick review of what each of them mean.

We are ISIPP SuretyMail, the original certified sender program and email deliverability service. Learn more here
Search
Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors
Search in posts
Search in pages
Filter by Categories
Blocklists and Blacklists
Content Issues
Deliverability
Email Authentication
Email List Building
Feedback Loops
Mailing List Hygiene
Monitoring and Tracking
Opt-in Practices
Our News
Privacy & Email Laws
Sending Practices
SMS Marketing
Spam Complaints
Technical Stuff
The Industry
Topics
Need Help Getting to the Inbox?
If you need help getting out of the spam folder and into the inbox, we're here for you. Our deliverability services come with a personal touch, and we get results. That combination has created customer loyalty that's nearly unheard of. (testimonials)
Read what we'll do for you here.

Join our email community and get
How to Stay Out of the Spam Folder 
& How to Grow Your Email List free!


 Get to the Inbox by SuretyMail
The Original Email Deliverability Company

Free stuff!
Close
Skip to content