
Custom domain email: MX, SPF, DKIM, and DMARC without the guesswork
Understand each DNS record’s job, prepare provider-specific values, and test routing, signatures, and domain alignment systematically.
Make your next email decision a better-informed one. Ten detailed guides to protocols, browser inboxes, Linux, provider changes, and mail on your own domain.
10 articles · Published 2024–2026
Listed from newest to oldest.

Understand each DNS record’s job, prepare provider-specific values, and test routing, signatures, and domain alignment systematically.

Choose a browser inbox by testing the interface, connected mailbox, hosting responsibilities, and tasks you perform every day.

Understand which actions IMAP shares between devices, why an offline copy is not a backup, and how to investigate missing or duplicated folders.

Give every address an owner, make shared work understandable, and plan how the organization keeps access when people or tools change.

Build a comparison around your addresses, applications, shared work, privacy needs, recovery, and the effort of changing providers.

Separate reading mail on Linux from operating mail infrastructure, then choose the smallest system that meets your access, delivery, and recovery needs.

A complete setup checklist that follows an email account from the first sign-in to tested sending, reliable folders, and a usable recovery plan.

Move through exports, sample imports, identity changes, and account checks with a clear plan for what must remain usable.

Make browser email easier to use with a reliable sign-in routine, better search habits, careful attachment handling, and a clear way to end each session.

Build a dependable local email workflow by understanding POP downloads, server retention, and the difference between a stored message and a backup.
Explore the ideas that connect the field guides, from local backups and account security to domain authentication and migration.