Why am I seeing more Gmail hard bounces today?

Marketer from Email Geeks shares that they do not see anything of the like on their end since 17 hours ago.

Email marketer from Sendinblue notes that poor list hygiene can directly contribute to an increased bounce rate. They advise regularly cleaning your email list by removing inactive subscribers, unsubscribes, and role-based email addresses to improve your sending reputation.

Email marketer from Email On Acid explains that deliverability issues, including bounces, might increase if your email content triggers Gmail's spam filters. They advise reviewing your email content for spam-like keywords, excessive links, and poor HTML code. Also preview on Gmail to see how it looks.

Email marketer from Litmus shares that Gmail might be experiencing a temporary outage or issue that's impacting email delivery. They recommend checking Gmail's service status page for any known issues or disruptions.

Email marketer from Stack Overflow mentions that if you're using a new sending domain or IP address, Gmail may initially treat your emails with suspicion, leading to increased bounces. Warming up your sending infrastructure gradually and building a positive sending reputation can help to overcome this issue.

Email marketer from EmailGeek Community mentions that bounce spikes can sometimes be attributed to changes in Gmail's spam filtering algorithms or stricter enforcement of existing policies. They recommend monitoring your bounce codes and contacting Gmail support if you suspect an issue with their filtering.

Email marketer from Reddit suggests a potential cause is a sudden influx of spam trap addresses on your list. They advise segmenting your list based on engagement and sending to your most active subscribers first to minimize the impact on your sender reputation.

Email marketer from Quora suggests that your sending IP address could have been temporarily blacklisted by Gmail due to a sudden spike in sending volume or a history of sending to spam traps. Monitoring your IP reputation and warming up your IP address gradually can help to avoid this issue.

Marketer from Email Geeks shares that they are seeing the same and still experiencing it.

Marketer from Email Geeks shares that they are not seeing anything like the last few days and that it looks "normal" in terms of Gmail hard bounces today

Email marketer from MailerLite explains that exceeding Gmail's daily sending limits can lead to temporary blocks and increased bounces. Monitor your sending volume and ensure that you're within Gmail's established limits for your account type.

Marketer from Email Geeks asks if they are 550 responses, or perhaps global suppressions from the ESP and notes that some ESPs will still be globally suppressing any email which hard bounced yesterday

Expert from Word to the Wise emphasizes the importance of actively monitoring and responding to feedback loops (FBLs). They note that a sudden increase in complaints reported through FBLs could indicate a problem with your email content, targeting, or sending practices, potentially leading to increased bounces and spam filtering by Gmail. Ensure you are processing FBLs.

Expert from Email Geeks shares that they are not seeing any deliverability impact today on any of their automated sends.

Expert from Spam Resource explains that a primary cause of increased Gmail hard bounces is poor list hygiene. They suggest regularly cleaning your list of invalid addresses, spam traps, and unengaged users to maintain a good sender reputation and improve deliverability.

Documentation from SparkPost notes that a temporary issue with Gmail's servers could cause a surge in bounces. Reviewing the bounce codes provided in the error messages will help you differentiate between permanent and temporary failures. Temporary failures may resolve themselves in time.

Documentation from Microsoft shares that a sudden spike in hard bounces from Gmail could mean Google has updated its spam filters or implemented new sending guidelines. You should check for the latest updates to Gmail's policies to ensure your emails comply.

Documentation from RFC explains that a 5xx error code indicates a permanent delivery failure (hard bounce). A 4xx error code indicates a temporary failure (soft bounce) which could be a configuration issue on the recipient server that resolves itself. Understanding these error codes help in diagnosing the bounce.

Documentation from Mailjet explains that a sudden increase in hard bounces can indicate a problem with your sending practices, such as sending to a large number of unengaged or invalid recipients. They suggest checking your list hygiene, authentication settings (SPF, DKIM, DMARC), and sender reputation to identify the cause.

Documentation from Google Support explains that increased hard bounces can occur due to invalid email addresses, which may be a result of typos, inactive accounts, or changes in email addresses. Google recommends regularly cleaning email lists to remove these invalid addresses and improve sending reputation.