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.
ArtaDevelopersDevelopers
Building on email: APIs, SDKs, protocols and the events that keep an app in step with a mailbox.
ArtaDevelopers5 min read
Email as a mailbox: why AI agents need a real inbox
Most email APIs only send. What a real mailbox adds for apps and AI agents, the four ways to get one in 2026, and how much code each leaves you.
BenjaminAI9 min read
Resend pricing in 2026: what it costs, how to pay less
What Resend costs at 50,000 to 1,000,000 emails a month, with every plan, overage rate and add-on, and what the same mail costs on Nextmail.
BenjaminComparisons10 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.
ArtaProtocols6 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.
ArtaDevelopers10 min read
What is SMTP? How it works, from ports to reply codes
SMTP is the protocol that carries email from your app to your provider and between mail servers. How it works, which port to use and what each reply means.
BenjaminProtocolsTry 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.
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