How To Whitelist Marketo Mail Servers

May 20, 2014 Chris Leonard

Corporate email servers can sometimes slow the delivery of test emails from Marketo or block them from your inbox altogether. Whitelisting Marketo will ensure that you get emails quickly, and here’s how:

  1. Give the following list of IP ranges to your IT staff:

If you use Return-Path as your anti-spam for whitelisting, use  *

The Postini system uses a unique means of whitelisting. Customers on shared IPs should whitelist Marketo’s entire sending ranges, as sometimes it is necessary to move customers between IPs for technical reasons. The way to whitelist a range in Postini is to configure a manual IP block with a pass-through.

Instead of using a CIDR range, the Postini Interface asks for the first and last IP’s in the given range. Here are Marketo’s: – – – – – – – – –

See this Postini Page for more Information:

If your anti-spam system uses “from address” for whitelisting, let your IT staff know what sending domains you use for your Marketo emails.

Previous Article
How to Mass-Approve Landing Pages in Marketo
How to Mass-Approve Landing Pages in Marketo

Anytime you make a change to a Marketo template, all of your landing pages that reference that template wil...

Next Article
How to Move a Marketo Form Submit Button
How to Move a Marketo Form Submit Button

Use the following steps to move a Marketo form submit button. Step 1: Edit the landing page that holds the ...


Need Help Proving Marketing Impact To Revenue?

First Name
Last Name
I agree to receive emails from Elixiter related to services and can unsubscribe at any time.
Thank you!
Error - something went wrong!