Email

Error with subject line of email

Last updated: July 26, 2018

Applies to:

Marketing Hub
marketing-starter-basic-pro-enterprise
Starter, Basic, Professional, Enterprise

Including "RE:" or "FW:" in a marketing email is against best practices and is very likely to trigger spam filters as well as upset your recipients. As a result, HubSpot marketing emails will show an alert when you include "RE:", "FW:", "RE-", or "FW-" as text in your subject line and will display a message (as shown in the images below) advising you to remove this string of text before you send:

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