To send email using SMTP relay, you configure your application, website, or email client to route outgoing emails through a trusted SMTP server instead of sending them directly from your own server. This SMTP relay server authenticates your request, applies security checks, and delivers your emails to the recipient’s mail server with better reliability, higher deliverability, and lower risk of spam blocking.
Step-by-Step: How to Send Email Using SMTP Relay
Step 1: Choose an SMTP Relay Provider
You can use:
For beginners, a third-party relay is strongly recommended.
Step-by-Step: How to Send Email Using SMTP Relay
Step 1: Choose an SMTP Relay Provider
You can use:
For beginners, a third-party relay is strongly recommended.
Step 2: Gather SMTP Details
You’ll need:
Step 3: Configure Your Application or Website
Below is a generic SMTP configuration example:
This configuration works for:
-
WordPress
-
PHP mailers
-
Python apps
-
Node.js
-
CRM tools
-
Marketing platforms
Step 4: Add Email Authentication (Very Important)
Without authentication, your emails will likely land in spam.
SPF Record
Allows the SMTP relay to send emails on behalf of your domain.
Example:
DKIM Record
Adds a cryptographic signature proving email authenticity.
Provided by your SMTP relay provider.
DMARC Record
Tells receiving servers how to handle unauthenticated emails.
Example:
Read More: How to Send Email Using SMTP Relay?
Comments