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Deliverability to googlemail.com

Sending volume, opens, bounce responses, and block messages observed by GMass for email sent to googlemail.com.

Emails sent 5,579,531 Messages represented in this domain dataset
Unique opens 948,300 Unique open events associated with those sends
Open rate 17.0% Across all available data for googlemail.com

Sent vs. opens

Change the date range or chart style. Bounce and block sections below follow the same selected date range.

Date Sent Opens Open rate

Blocks from googlemail.com

SMTP responses that generally indicate a valid address whose message was rejected.

No blocks during the specified time frame.

Bounces from googlemail.com

SMTP responses that generally indicate an invalid or undeliverable email address.

Bounce code guide
234 bounce events · 9 response types
  • Invalid:550-MailboxUnavailable 94
  • 550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. For more information, go to 550 5.1.1 https://support.google.com/mail/?p=NoSuchUser 89
  • 552-5.2.2 The recipient's inbox is out of storage space and inactive. Please 552-5.2.2 direct the recipient to 552 5.2.2 https://support.google.com/mail/?p=OverQuotaPerm 18
  • 452-4.2.2 The recipient's inbox is out of storage space. Please direct the 452-4.2.2 recipient to 452 4.2.2 https://support.google.com/mail/?p=OverQuotaTemp 16
  • 550-5.2.1 The email account that you tried to reach is inactive. For more 550-5.2.1 information, go to 550 5.2.1 https://support.google.com/mail/?p=DisabledUser 8
  • 550-5.7.1 Gmail has detected that this message is likely 550-5.7.1 unsolicited mail. To reduce the amount of spam sent to Gmail, this 550-5.7.1 message has been blocked. For more information, go to 550 5.7.1 https://support.google.com/mail/?p=UnsolicitedMessageError 6
  • 450 Message not queued: recipient is suppressed 1
  • 552 5.2.2 The recipient's inbox is out of storage space and inactive. 1
  • DNS Error. DNS type 'mx' lookup responded with code NXDOMAIN 1

Methodology

Send and open statistics

Send and open statistics are updated daily. Every day, open statistics are refreshed for the previous 14 days because not every open happens on the same day an email is sent. Open-rate data remains tied to the emails actually sent on each particular day.

Bounces and blocks

Bounces and blocks update in real time. SMTP responses are de-personalized so similar responses can be grouped for analysis. GMass categorizes responses through internal human review: bounces generally indicate an invalid address, while blocks generally indicate a valid address whose message was rejected.

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