Email - How to test if your server email configuration was done correctly ?
Table of Contents
1 - About
This article will show different server configuration testing in order to validate your email server configuration.
In our case, we had installed Postfix
2 - Articles Related
3 - Technics
3.1 - Sending an email to Provider
Testing an email configuration is done by sending an email to a provider that will:
- show you if you pass the tests
- eventually score your email.
3.1.1 - Mail Tester
The most easy way is to send an email at mail-tester
3.1.2 - Gmail
Send an email and check the original email, Gmail will show you if you have passed the test:
3.2 - Testing locally with netcat
nc mail.example.com 25
EHLO $hostname
250-server01.bytle.net
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
MAIL FROM:<[email protected]>
RCPT TO:<[email protected]>
DATA
Subject: Test email
Body of the email
.
QUIT