Ive just sent a newsletter and current it is showing as 219 not delivered, out of 600 sent. When i open the CSV they all have an error code of 400. What does this code mean please?
I searched and browsed Amazon SES's forum and saw that some users had emails not being delivered to. Some questions regarding this were left unanswered and led me to suspect these emails were blacklisted.
Comments
I searched and browsed Amazon SES's forum and saw that some users had emails not being delivered to. Some questions regarding this were left unanswered and led me to suspect these emails were blacklisted.