Knowledgebase of all things email

Guides

Digging into the world of email, DNS, and spam can be a daunting task. Don't go alone, use our guides as a helping hand.

How to set up a custom Return-Path

Setting up a custom return path is an important step to take in order to ensure DMARC compliance, and here's how to do it if you use Postmark.

How to verify your domain

Imagine if your competitor could set up a newsletter in your name and send emails from your domain? To prevent that you must verify your domain.

How to setup SPF on Campaign Monitor

SPF domain alignment helps brands build their domain reputation and lets the machines who process your mail see your domain first.

How to save an email

Follow this guide to save a copy of an email, so you can send it to someone for debugging and troubleshooting deliverability problems.

How to set up DMARC on Mailerlite

Adding a sending domain to your Mailerlite account is an important step to take in order to ensure DMARC compliance, and here's how to do it.

More guides

We've got even more guides in our Guides section.

Glossary

The world of email is filled with technical jargon and three-letter acronyms. We've tried to explain them all here.

Email server

An email server is a computer capable of both sending and receiving emails. It connects to other email servers on your behalf to deliver your emails.

Spoofing

When someone sends an email pretending to be sent from someone else, it's called spoofing. This is commonly used in phishing attacks.

DMARC: Domain-based Message Authentication, Reporting & Conformance

DMARC prevents your domain from being used in email spam and scams. With DMARC only the servers you authorize can send email on your behalf.

Spam

Spam is defined as unsolicited marketing emails, although a more common definition is "all those damn emails I don't want to receive".

SNDS: Smart Network Data Services

SNDS is Microsofts online portal that gives email senders access to data about emails received by Outlook.com.

More knowledge

We've got even more explanations and descriptions in our knowledgebase.

Frequently asked questions

We all have questions; Here, we've tried to answer some of them.

What is dkim.mcsv.net?

When setting up your domain on Mailchimp, you might be asked to configure a CNAME record for dkim.mcsv.net.

What is pm.mtasv.net?

If you see an email with [email protected] it's being sent using Postmark as ESP. They use the domain for tracking bounced emails.

Answers

Read all our answers in the FAQ section.