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SMTP Mail Delivery: Rackspace

Mail Delivery methods are a powerful element in the Jetpack CRM arsenal of tools. Occasionally a specific host/server provider has curious settings that need tweaking for Jetpack CRM Mail Delivery to work with their setup. Here’s some things to try if you are using Rackspace shared hosting:

Allowing Plain-text

A common point seems to be that this setting on Rackspace server setup stops Jetpack CRM Mail sending out: “Allow Plaintext”. Try this first, by enabling this setting:


Try turning it on and off again!

  1. Disable the firewall
  2. Restart the firewall

Port check

Please see this guide re: opening ports on rackspace, (you may or may not need to do this step).

Updated on August 16, 2022

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