Notes from the email trenches.
Deliverability, DNS, protocols, pricing. Written by the team building JustEmails.
A Professional Email Address: What It Actually Costs and Why It Matters
What a professional email address costs across every route in 2026, the three mechanical reasons a free-provider address costs you more, and who should buy somebody else's instead.
How to Set Up Squarespace Domain Email (Without Google Workspace)
Squarespace domain email without Google Workspace: clear the old records (Google Domains leftovers included), add ours in Squarespace's DNS panel, and confirm it all works.
Migrate from SparkPost to JustEmails Without Losing Deliverability
SparkPost to JustEmails migration—zero dropped emails, reputation intact.
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 Fastmail to JustEmails: Full IMAP Migration Guide
Fastmail migration with imapsync, alias mapping, and DNS cutover.
Outgrowing ImprovMX: Moving From Email Forwarding to Real Hosted Mailboxes
ImprovMX forwarding fails when you need real inboxes. Here's the fix.
Migrating from MXroute to JustEmails: Moving Between Two Flat-Fee Hosts
MXroute to JustEmails: imapsync export, MX cutover, DKIM rotation, DMARC monitoring — complete runbook with mail-tester verification.
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.
Custom Domain Email: What It Costs and How to Actually Set One Up
What custom domain email costs in 2026, the exact DNS records to publish, the port that trips everyone, and the send limit nobody mentions until a tutorial breaks.
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.