JustEmails
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Notes from the email trenches.

Deliverability, DNS, protocols, pricing. Written by the team building JustEmails.

All (110)Tutorials (52)Guides (23)Comparisons (23)Industry (12)
Cover for Zabbix and Netdata Alert Delivery Using JustEmails SMTP
Tutorials·13 min read

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.

Cover for Nextcloud SMTP Settings: Step-by-Step JustEmails Setup
Tutorials·13 min read

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.

Cover for Jenkins SMTP Setup: Build Notification Emails via JustEmails
Tutorials·14 min read

Jenkins SMTP Setup: Build Notification Emails via JustEmails

Jenkins SMTP is configured in two separate places that share nothing. Here's how to wire both so build failures actually reach a human.

Cover for Discourse SMTP Setup: 6 Steps to Outbound and Reply-by-Email
Tutorials·13 min read

Discourse SMTP Setup: 6 Steps to Outbound and Reply-by-Email

The full Discourse SMTP setup in app.yml — DISCOURSE_SMTP_ vars, notification vs reply by email address, POP3 polling for replies, and the bounce setting nobody touches until the first digest.

Cover for Email Blacklist Removal: A Calm Guide to Getting Delisted
Tutorials·13 min read

Email Blacklist Removal: A Calm Guide to Getting Delisted

Bounces citing Spamhaus? Email blacklist removal in the right order: find what's listed, fix the cause, and get delisted without making it worse.

Cover for Typeform and Tally Email Notifications to a Custom Domain Inbox
Tutorials·15 min read

Typeform and Tally Email Notifications to a Custom Domain Inbox

Two ways to get Typeform and Tally email notifications into your own custom domain inbox — the built-in settings path and the webhook-to-API path. Plus why sending as the respondent breaks SPF.

Cover for AdonisJS Mailer Setup: Sending Email through JustEmails
Tutorials·12 min read

AdonisJS Mailer Setup: Sending Email through JustEmails

AdonisJS mailer meets JustEmails SMTP. TypeScript config that actually works.

Cover for How to Integrate JustEmails With CRM Contact Forms via the API
Tutorials·13 min read

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.

Cover for How to Set Up MTA-STS and TLS-RPT in 2026: Enforce Encrypted Mail Delivery
Tutorials·11 min read

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.

Cover for How to Set Up a Dedicated Sending Subdomain for Transactional Email (2026)
Tutorials·13 min read

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.

Cover for Handle Bounce and Complaint Webhooks: Protect Sender Reputation
Tutorials·13 min read

Handle Bounce and Complaint Webhooks: Protect Sender Reputation

Process bounces before providers throttle you.

Cover for Drowning in Email Aliases? Audit and Clean Up Address Sprawl
Tutorials·11 min read

Drowning in Email Aliases? Audit and Clean Up Address Sprawl

Audit your email aliases before orphan addresses become security holes.