SMTP Error Codes Explained
PowerDMARC, Monday, May 20th, 2024
If your emails have ever failed to get delivered to their intended inboxes, you may have encountered SMTP error messages. These messages can be of various types and describe the cause of the issue faced during email delivery.
The average email delivery rate, as tested by Email Tool Tester, is around 83 percent is less than 85%!. It signifies that around 16 percent of all the emails fail to reach their destination due to errors.
SMTP errors can prevent the delivery of important emails. These issues must be addressed promptly to emjoy smooth email deliverability, and prevent email marketing backlogs. This guide will explain some of the common SMTP response codes and how the they can potentially be resolved.