Top Deliverability’s Blog
MagNews: Google services outage and false bounce backs
MagNews just released another engaging article:
What happened? Last week, different Google services experienced temporary malfunctions caused by a bug in the automated system that manages the memory quotas in the Google User ID Service. Gmail was not spared from these disruptions and in the days between 14.12 and 16.12, at various moments, the service was non-accessible and Gmail users were unable to send or receive emails. Gmail Problem Due to these disruptions, on the MagNews side we detected a considerable and anomalous number of bounces coming from the gmail domain. Effectively this was during the down-time, many of these emails sent to Gmail recipients generated bounces due to non-existent accounts. Below is the specific error reported by the server: 550-5.1.1 The email account that you tried to reach does not exist. Please try550-5.1.1 double-checking the recipient’s email address for typos or550-5.1.1 unnecessary spaces. Learn more at550 5.1.1 https://support.google.com/mail/?p=NoSuchUser MagNews ManagementThese false positives didn’t generate any issues with MagNews…
Read more here: Google services outage and false bounce backs
The most comprehensive “Handbook of Email Service Providers“!
All SpamAssassin rules in one place, EXPLAINED!
Check the DNS records of your domain with our free DNS tool.
The most comprehensive Email Deliverability and Marketing Glossary!