Delivery failed for the following message "{subject}".{separator}Please, check your message recipient addresses and message format.  If you are sure your message is correct, check all the {account_name} account settings, and, if everything is correct, sign in to the mail service you use and confirm any verification questions, in case there are some. After that try again.{separator}In case the error persists, please read the {faq_link_open_tag}FAQ section{faq_link_close_tag} to learn more about the problem.