Notes from the email trenches.
Deliverability, DNS, protocols, pricing. Written by the team building JustEmails.
JustEmails API vs Loops: Transactional Email for Lean Teams (2026)
Loops vs JustEmails API for transactional email—which fits your stack?
JustEmails API vs Elastic Email: 2026 Transactional Email Comparison
JustEmails API vs Elastic Email—which wins on total email cost?
How to Integrate JustEmails With CRM Contact Forms via the API
Wire CRM forms to trigger instant emails via API — confirmation to leads, alerts to your team.
iCloud+ Custom Email Domain Alternative: Personal Perk or Business Host?
iCloud+ custom email caps at 5 users—see why teams outgrow it fast.
How to Set Up Role-Based Team Inboxes (support@, sales@, billing@)
Set up functional email addresses your whole team can access — without paying per-seat. Aliases, shared mailboxes, routing, and who-sees-what explained.
How to Set Up MTA-STS and TLS-RPT in 2026: Enforce Encrypted Mail Delivery
MTA-STS setup guide: policy file, DNS, TLS-RPT reports. Stop downgrade attacks.
How to Set Up a Shared Team Inbox on Your Custom Domain (Without Help-Desk Software)
Create support@, sales@, or any shared team inbox using aliases and standard IMAP clients—no Zendesk or Freshdesk required.
How to Set Up a Dedicated Sending Subdomain for Transactional Email (2026)
Why send.yourdomain.com protects your main domain's reputation, plus the exact MX, SPF, DKIM, and DMARC records to set it up right.
Handle Bounce and Complaint Webhooks: Protect Sender Reputation
Process bounces before providers throttle you.
Flat-Fee vs Per-Mailbox Email Pricing: Which Model Actually Costs Less?
The breakeven math on email pricing will surprise you — flat-fee wins earlier than you'd expect.
Drowning in Email Aliases? Audit and Clean Up Address Sprawl
Audit your email aliases before orphan addresses become security holes.
Fix TLS Handshake Failures on SMTP Connections
Debug TLS handshake errors on SMTP with OpenSSL commands.