Summary
I wanted to test my new ProLateral OutMail service using Telnet to confirm the service was working as expected/required. The process below explains the prerequisites and process.
Prerequisites
Encode Prolateral Username and Password
When you complete your Prolateral OutMail service order you get sent a username and password to authenticate with when setting up your email relay. When using Telnet to do the testing you must convert both username and password into Base64 format. To do this use this webservice https://www.base64encode.org. Keep a note of the encoded username and password.
Prolateral SMTP Hostname
When you complete your Prolateral OutMail service order you get sent the hostname of the SMTP relay are have to use. It will be something like mx8790987.smtp-engine.com. Have a note of this, it’s required for the testing phase.
Install Telnet
You need the Telnet client installed on your device. Om my Windows 11 client that meant running this PowerShell command in an elevated session:
Enable-WindowsOptionalFeature -Online -FeatureName TelnetClient
Send Test Email
Open a command prompt
TELNET mx8790987.smtp-engine.com 25
AUTH LOGIN
enter your Base64 encoded username here
enter your Base64 encoded password here
MAIL FROM:joe.bloggs@applepips.org
RCPT TO:steve.weave@orangepips.cloud
DATA
To: “Steve Weave” <steve.weave@orangepips.cloud>
From: “Joe Bloggs” <joe.bloggs@applepips.org>
Subject: Applepips new product announcement
press enter again
“This is the email message body.”
press enter again
.
press enter again
QUIT
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