Blog

Email clients

Email clients compared and explained, from the apps people use every day to the one you can build yourself.

8 min read

Best AI email clients for 2026: 8 apps compared

Eight AI email clients compared on what their AI does, the mail they work with and the price in 2026, from Nextmail and Superhuman to Gmail and Outlook.

BenjaminAI

6 min read

How to build your own email client on Nextmail

What you need to build your own email client on Nextmail: OAuth sign-in for your users, typed SDKs in seven languages, live events, webhooks and raw messages.

ArtaDevelopers

9 min read

What is an email client? How email clients work

An email client is the app you read and send mail in, apart from the service that holds your mailbox. How clients find servers, sync, send and guard privacy.

BenjaminEmail clients

10 min read

What is IMAP? How IMAP works: ports, sync and security

IMAP is how mail apps read and organise mail that stays on the server, in sync on every device. How it works, which port to use and how it compares with POP3.

ArtaProtocols

6 min read

What is JMAP? The JSON email protocol, explained

JMAP is the IETF standard for email, contacts and calendars over JSON and HTTPS. How it works, how it differs from IMAP, and who supports it in 2026.

ArtaDevelopers

Try it yourself

Your email,
on your own domain.

Nextmail puts your domains, sending and inbox in one place, with the full API on every plan, the free one included.