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Documentation Index

Fetch the complete documentation index at: https://jetemail.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

Pick the path that matches what you’re sending from. Each guide takes you all the way through: signup, domain verification, SMTP credentials, server configuration, and a test send.

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What are you setting up?

cPanel / WHM Server

Use the official JetEmail cPanel plugin to route Exim through the relay.

DirectAdmin Server

Use the official JetEmail DirectAdmin plugin for one-command setup.

Enhance Server

Configure the JetEmail smarthost in the Enhance control panel.

Application or Software

Generic SMTP setup for any app, CRM, or platform that accepts SMTP credentials.

Postfix

Configure Postfix as a relay through JetEmail on a Linux mail server.

Exim

Configure standalone Exim (no control panel) to use the JetEmail smarthost.

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The universal flow

Every guide above follows the same five stages. If your platform isn’t listed, follow this flow and plug the SMTP details into your software’s settings.

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1. Sign up for JetEmail

Create an account at jetemail.com. Once you’re in, the dashboard lives at dash.jetemail.com.

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2. Add your sending domain

Each address you send from must belong to a domain JetEmail can authenticate.
  1. In the dashboard, go to Outbound → Domains
  2. Add the domain you send mail from (e.g. example.com)
Domain overview
  1. Add every DNS record the dashboard lists (SPF, return-path, DKIM, DMARC, feedback) at your DNS provider
  2. Wait until the dashboard shows the domain as verified
For a full breakdown of those records, see Email authentication.
SMTP “allow any domain”: If your account uses SMTP with allow any domain, you can send without adding the domain in the dashboard, but you must still publish SPF for each sending domain (see SMTP allow any domain). Adding the domain is still recommended for DKIM signing, aligned return path, and dashboard-only features like open and click tracking.

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Domain validation

A domain counts as validated after you add it under Outbound → Domains and JetEmail verifies your DNS. Validated domains are required for open tracking, click tracking, BCC copies, and similar dashboard-managed features.

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3. Create an SMTP user

Create Smarthost
  1. In the dashboard, go to Outbound → SMTP
  2. Click Create SMTP
  3. Fill in the details:
    • Username: Choose a unique username
    • Password: Set a strong password
    • Quota / Usage: 0 for unlimited, or a per-user message limit
SMTP configuration

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4. Configure your server or app

Use these values in your mail server, control panel, or application:
SettingValue
Serverrelay.jetsmtp.net
Ports25, 587, 2525 (STARTTLS) · 465 (SSL/TLS)
AuthenticationPLAIN
TLSRequired on 25, 587, and 2525 (STARTTLS). Implicit on 465 (SSL/TLS).
Username / passwordThe SMTP user you created in step 3
EU region endpoint. If you need an EU-only endpoint, use relay-eu.jetsmtp.net with the same settings as above. The global endpoint (relay.jetsmtp.net) is the recommended anycast endpoint and gives you the best routing worldwide.

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5. Send a test message

Send a single message through the relay and confirm it lands. Then check the dashboard’s Logs view to confirm the send was accepted and authenticated.