Notes from the email trenches.
Deliverability, DNS, protocols, pricing. Written by the team building JustEmails.
Migrate From Migadu to JustEmails: Multi-Domain IMAP Migration
Step-by-step guide to migrate your mailboxes from Migadu to JustEmails without losing mail. Both use flat-fee pricing — the cutover is cleaner than you'd expect.
Migrate from GMX and Mail.com to JustEmails: Step-by-Step IMAP Guide
Escape ad-supported email. Full migration guide inside.
Migrate From Purelymail to JustEmails: IMAP and DNS Cutover Guide
Purelymail to JustEmails migration: imapsync export, MX cutover, DNS rotation, and mail-tester verification for budget email switchers.
Migrate From Self-Hosted Mailcow to Managed JustEmails
Step-by-step migration from self-hosted Mailcow to JustEmails — export, IMAP sync, DNS cutover, and finally deleting that Docker stack.
ZeptoMail Migration in 7 Steps: Port Zoho Sending, No Downtime
A step-by-step ZeptoMail migration: DKIM selector cutover, dual-send verification window, suppression list export, and webhook swap — without dropping a single password reset.
Migrate from SendGrid to JustEmails API: A Transactional Cutover Plan
How to migrate from SendGrid without tanking deliverability — and the one DNS record that breaks every old link if you delete it on cutover day.
Migrate from HEY to JustEmails When You Need Real Custom-Domain Mailboxes
Leaving HEY for Domains? Export your email and set up standard IMAP mailboxes on your custom domain for $49/year flat.
iRedMail to JustEmails: Step-by-Step Migration Guide (2026)
Migrate iRedMail without losing mail — escape the patching treadmill.
Listmonk SMTP Setup (and Mautic's Mailer DSN) with JustEmails
Wiring Listmonk SMTP and Mautic to a JustEmails mailbox — the settings block that isn't in config.toml, the four numbers that stop the throttling, and the list sizes this honestly suits.
Keycloak SMTP Configuration and Authentik Email: 6 Steps
Keycloak SMTP configuration and authentik's email env block, field by field — the realm Email tab, the Email Stage, and the five errors that eat an evening.
Gitea SMTP Mailer Setup (and Forgejo) in 6 Steps
The Gitea SMTP mailer block in app.ini, Forgejo included — PROTOCOL vs MAILER_TYPE, FROM vs ENVELOPE_FROM, and how to actually test it.
WordPress SMTP Relay Setup with JustEmails (Stop Losing Form Emails)
WordPress form emails vanish because wp_mail() hands your message to unauthenticated PHP mail. Here's the WordPress SMTP setup that makes them land — and the test that proves it.