Notes from the email trenches.
Deliverability, DNS, protocols, pricing. Written by the team building JustEmails.
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 Zoho Mail to JustEmails: Step-by-Step IMAP Guide
Zoho Mail to JustEmails: IMAP sync, MX cutover, DKIM rotation — complete runbook.
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.
Enterprise DMARC Adoption 2027: What Public DNS Records Show
Enterprise DMARC adoption, measured from public DNS: 95% of the Fortune 500 publish a record and 41% enforce it. Here are the commands to check any domain yourself.
Email Domain Price: What a Custom Domain Email Address Really Costs
The domain is the cheap part. The real email domain price is three bills — registration, mailbox hosting, and the lines that bill separately.
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.
Zabbix and Netdata Alert Delivery Using JustEmails SMTP
Wire the Zabbix Email media type and Netdata's sendmail path to authenticated SMTP — with rate limits so a flapping host can't torch your sender reputation.
Nextcloud SMTP Settings: Step-by-Step JustEmails Setup
Share notifications and password resets failing silently? Here are the Nextcloud SMTP settings that pass SPF, DKIM, and DMARC.