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Raw Injection

SimpleMH Recommended

We recommend that most customers use SimpleMH, rather than Raw Injection. SimpleMH was introduced after Raw Injection and handles a lot of details for you that Raw Injection does not.


There are two methods for injecting messages into GreenArrow Engine - SimpleMH and Raw Injection.

Raw Injection Features

  • Provides backward compatibility for legacy integrations which were created before SimpleMH was released.

Raw Injection Telnet Example

telnet localhost 587
HELO localhost
MAIL FROM: <return-t1-t2-recipient=example.net@mailer.example.com>
RCPT TO: <recipient@example.com>
From: Info <info@example.com>
To: Subscriber <recipient@example.net>
Subject: Raw Injection example send
X-GreenArrow-SendID: t1
X-GreenArrow-ListID: t2
X-GreenArrow-MtaID: trans
X-Mailer-Info: ZzpfrzWjYaW5L3chn3WNM2SlqzA2pUWyYQSa

This is a Raw Injection test.