Here in the unsubscribes and bounces archives you'll find the blog posts we've written about the unsubscribe process and bounce handling.
You may also be interested in our pages on GMass's unsubscribe management and bounce management features — see how GMass takes the burden off your hands and makes sure you only send to working email addresses belonging to people who want your emails.
September 15, 2022
Email Bounce Codes: The Complete Guide (Definitions, Solutions, and More)
A glossary of email bounce codes to help you understand why your emails weren't delivered. Plus steps and strategies to manage and to cut down on bounces.Continue Reading
June 16, 2022
List-Unsubscribe Header: What It Is and How to Implement it in GMass
Understand the list-unsubscribe header, who should use it to add easier unsubscribe links in email clients, and how to enable it in GMass.Continue Reading
November 16, 2016
How to Remove Recipients from an Individual Campaign
How to suppress recipients for individual campaigns by building suppression lists from prior campaigns, or via manually entering domains and emails.Continue Reading
September 9, 2016
Manually Import or Remove Unsubscribe Addresses and the GMass Unsubscribe Features
How to use GMass's unsubscribe management features to add or remove addresses from your unsubscribe list. (Plus more unsubscribe features in GMass.)Continue Reading
June 13, 2016
Did your Google account get suspended or did Gmail bounce your emails?
With a recent increase in GMass’s popularity has come an increased number of reports of Google accounts getting suspended after …Continue Reading
May 14, 2016
How to handle this strange Gmail bounce: “read error: generic::failed_precondition”
Several users have recently reported seeing bounce backs from Gmail that look like this: Delivery to the following recipient failed …Continue Reading