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Deliverability to gmail.com

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

Odds are you have a Gmail account and have checked that account several times today already. To little surprise, and at just 16 years since inception, Gmail.com is the world’s most widely used email service with over 1.5 billion active users as of 2019. Gmail was created by Tech Engineer Paul Buchheit in 2001 along with a team of just about a dozen other co-workers. Gmail’s creator is also credited for Google’s "Don't be evil" motto.  
Emails sent 2,887,285,584 Messages represented in this domain dataset
Unique opens 438,349,113 Unique open events associated with those sends
Open rate 15.2% Across all available data for gmail.com
Explore other domains comcast.net bigpond.net.au statefarm.com mail.ru bigpond.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 gmail.com

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

No blocks during the specified time frame.

Bounces from gmail.com

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

Bounce code guide
235,881 bounce events · 115 response types
  • Invalid:550-MailboxUnavailable 97,644
  • 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 66,128
  • 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 42,843
  • 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 13,415
  • 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 10,038
  • 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 3,336
  • aggressive-handler 698
  • 550 5.1.1 The email account that you tried to reach does not exist. Please try double-checking the recipient's email address for typos or unnecessary spaces. For more information, go to https://support.google.com/mail/?p=NoSuchUser 542
  • 552 5.2.2 The recipient's inbox is out of storage space and inactive. 216
  • 550-5.7.40 Your email has been blocked because the From: header in 550-5.7.40 this message isn't aligned with either the authenticated SPF or DKIM 550-5.7.40 organizational domain. To learn more about DMARC alignment, visit 550-5.7.40 https://support.google.com/a?p=dmarc-alignment 150
  • 550-5.7.30 Your email has been blocked because DKIM authentication didn't pass 550-5.7.30 for this message. Gmail requires all email bulk senders to 550-5.7.30 authenticate their email with DKIM. 550-5.7.30 550-5.7.30 Authentication results: 550-5.7.30 DKIM = did not pass 550-5.7.30 To set up DKIM for your sending domains, visit 550-5.7.30 https://support.google.com/a?p=turn-on-dkim 136
  • The recipient server did not accept our requests to connect. For more information, go to https://support.google.com/mail/answer/7720 106
  • 554 Reject by behaviour spamANTISPAM_BAT: too frequently sending 69
  • DNS Error. DNS type 'mx' lookup responded with code NXDOMAIN 62
  • Temporary System Problem. 44
  • 551 SenderAuthorization: is not authorized to send emails to this service. 44
  • 552 1 Requested mail action aborted, mailbox not found 42
  • 550 5.2.1 The email account that you tried to reach is inactive. For more information, go to https://support.google.com/mail/?p=DisabledUser 34
  • SMTP; 550-5.1.1 The email account that you tried to reach does not exist. Please try 21
  • 550 5.4.300 Message expired -> 452 4.2.2 The recipient's inbox is out of storage space. Please direct the;recipient to; https://support.google.com/mail/?p=OverQuotaTemp 21
  • 450 Message not queued: recipient is suppressed 18
  • The email account that you tried to reach does not exist. Please try double-checking the recipient's email address for typos or unnecessary spaces. For more information, go to https://support.google.com/mail/?p=NoSuchUser 17
  • 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors 16
  • NoMxRecord:0-0 15
  • SMTP; 452-4.2.2 The recipient's inbox is out of storage space. Please direct the 14
  • 554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 14
  • 550 5.5.0 Requested action not taken: mailbox unavailable . 12
  • 421 temporary failure for one or more recipients 10
  • Message rejected. For more information, go to https://support.google.com/mail/answer/69585 9
  • 550 permanent failure for one or more recipients 9
  • @gmail.com; 550 5.7.1 This message has been blocked for containing SPAM-like characteristics. 8
  • 454 4.7.1 : Relay access denied 8
  • 550 5.7.1 Our system has detected an unusual amount of unsolicited email originating from your address. 7
  • 550 5.1.1 Not our Customer 7
  • 550 No Such User Here 7
  • 554 5.7.1 : Relay access denied 6
  • 550 5.1.1 : Recipient address rejected: User unknown 4
  • SMTP; 552-5.2.2 The recipient's inbox is out of storage space and inactive. Please 4
  • This email has been blocked due to PMF Policies. 4
  • 552 5.2.2 : user is over quota 3
  • 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table 3
  • 550 5.1.10 Recipient not found by SMTP address lookup 3
  • 550 5.2.0 - Account Closed, Please Remove 3
  • 550 Unrouteable address 3
  • 511 sorry, no mailbox here by that name 2
  • 554 5.2.2 mailbox full; Failed to process message due to a permanent exception with message Microsoft Unified Storage is full. Microsoft Unified Storage is full. 2
  • 550 5.1.1 User does not exist - 2
  • 452-4.2.2 The recipient's inbox is out of storage space. 2
  • 550-5.1.1 The email account that you tried to reach does not exist. Please try double-checking the recipient's email address for typos or unnecessary spaces. For more information, go to https://support.google.com/mail/?p=NoSuchUser 2
  • 550 5.1.1 : Recipient address rejected: User unknown in relay recipient table 2
  • 550 5.1.1 user unknown 2
  • 550 5.1.1 Recipient does not exist here. 2
  • 552-5.2.2 The recipient's inbox is out of storage space and inactive. Please 2
  • 550 #5.1.0 Address rejected. 2
  • 550 5.1.1 recipient rejected 2
  • 550 5.1.1 : Recipient address rejected: Address does not exist 2
  • 550 5.1.0 Recipient not found. 2
  • 550 5.7.193 Delivery failed because the sender isn't a group member or external senders aren't permitted to send to this group. 2
  • Storage quota exceeded 2
  • x-szn; smtp; 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 2
  • 452 4.2.2 Mailbox full 2
  • host pcmast-com.mail.protection.outlook.com says: 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kvxv4YIQnEzirt5nAkIRByZZazI9OhhLP5JRBJnRRSU&m=30osOo4g9j1zCRhlEbq03hdVEUfYBU2md9MMx6kjvQOxOtmjtafXT3TSVSSAKQxk&s=0SddnHHGxzIKzMkmkUx 1
  • action not taken: mailbox unavailable 550 For explanation visit https://postmaster.mail.com/en/case?c=r1601&i=ip&v=144.208.64.252&r=1MwPs3-1wkaWa4Aa5-010pFt 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kvxv4YIQnEzirt5nAkIRByZZazI9OhhLP5JRBJnRRSU&m=KzrGlOUrHndVrcdJu-BFf4N9i51iHTj_qMeYMQiAzCx8395Sl0MN225ctz-W_TVB&s=CT6Y4cZIBJJfPdHxTnY 1
  • 550 5.7.1 No such user! 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kvxv4YIQnEzirt5nAkIRByZZazI9OhhLP5JRBJnRRSU&m=rjqS37MV201Mq8jHVWBlJ8yMknC2GWal-rfjpbJ_8CzGlA7zg4t4rV6ukBRQdf7o&s=8uMShf1R0BdsPcjok0A 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kvxv4YIQnEzirt5nAkIRByZZazI9OhhLP5JRBJnRRSU&m=ZyT1JFtejNTcOLzTM3vuIdJnmX9YlKiuPrbvtMbIDpaJzDl54yAGqV6XC5HGDtLa&s=YsZ-JBeq7l0McwJ3H9g 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=QSbMyOYR6M1EthJ3hIcbH9Fe28hu3NXqkO9HcQvAqISVYECxf57KWIs07lDkNyWf&m=Anh-rdKMXxDpkejtO9bJy55LB0mQkS4hGACkG_COpN3BJw29tmBPCit0MZ0c0vaW& 1
  • 550 5.7.350 Remote server returned message detected as spam -> 550 5.7.1 Gmail has detected that this message is likely;unsolicited mail. To reduce the amount of spam sent to Gmail, this;message has been blocked. For more information, go to; https://support.google.com/mail/?p=UnsolicitedMessageError 1
  • 550 5.7.1 Sender prohibited by SPF 1
  • 5.1.0 - Unknown address error 550-'5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors 1
  • 550 5.1.1 : Recipient address rejected: User unknown in virtual alias table 1
  • 550 5.1.1 ... User unknown 1
  • 550 5.1.1 : Email address could not be found, or was misspelled 1
  • 550 5.7.1 : Recipient address rejected: Recipient not available 1
  • 550 5.7.350 Remote server returned message detected as spam -> 550 5.7.1 Gmail has detected that this message;is likely suspicious due to the very low reputation of the sending;domain. To best protect our users from spam, the message has been;blocked. For more information, go to; https://support.google.com/mail/answer/188131 1
  • 550 200 This message was classified as rSPAM and may not be delivered https://mail.outboundspamprotection.com/mailinfo?id=1a046061b780004918&user=mb87385 1
  • 550 5.1.1 ... Address not found 1
  • 421 Downstream server error 1
  • 5.4.7 - Delivery expired 452-"4.2.2 The recipient's inbox is out of storage space. Please direct the\n4.2.2 recipient to\n4.2.2 https://support.google.com/mail/?p=OverQuotaTemp 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kvxv4YIQnEzirt5nAkIRByZZazI9OhhLP5JRBJnRRSU&m=HHROx21PN_ZkSZgMYUYXM__Z5qAA4AKqKUTPXjzfZtehA-ifyLCGeMYK3jijxtVQ&s=Q-vm1xq-WEIqm0oVYjX 1
  • 552 5.2.2 Quota for this mail account has been exceeded, please try again later. 1
  • 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 1
  • 550-The mail server could not deliver mail to . The or domain may not exist, they may be blacklisted, or missing the 550 proper dns entries. 1
  • 552 5.1.1 Mailbox delivery failure policy error 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kvxv4YIQnEzirt5nAkIRByZZazI9OhhLP5JRBJnRRSU&m=G0y0M8ShZJNcmlsCg8SOeeSx_T38NlrO2hTPfd_GfMd2WEmh2Rmju5ajEeiJh5-q&s=8Lu0x3rclXEsiu7yvC_ 1
  • 550 ADDRESS DOES NOT EXIST 1
  • 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABEWAXRWe1BxWQ5ecUEqcAYGHjVvLlQjbBpOXkFzRkRVDB9cKhs%3D 1
  • mail action aborted: exceeded storage allocation exceeded. 552 For explanation visit https://postmaster.gmx.net/en/case?c=r1503&i=ip&v=209.85.208.50&r=1MlewC-1wb5mf34uQ-00ggrV 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DOverQuotaTemp&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=sWH7PIW2gtCmq3s4O7i4BQ&m=6ebIo0doJ77cRSQx8KcFhX3tjMoCKYgWcEqtpIJKylhdN9jnz3rEnfQ0q927gCHs&s=Cy_g43T8mcEfwJ0Ub7jTWDfyUYk_iMBd0STrwLGbWKY&e= 1
  • 550 is not a valid user 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=Kvxv4YIQnEzirt5nAkIRByZZazI9OhhLP5JRBJnRRSU&m=CuS0cHrTbUAeAN7TVfVmlQw7_rMvWJxiLksaZdBWXoEZJGmWQKlNw5DsdZxIosdV&s=K2SWnrnjiZe8-sx7umm 1
  • 550 5.7.1 ... Relaying denied: You must check for new mail before sending mail. 1
  • 550 5.1.1 : Recipient address rejected: undeliverable address: host dispatchdc1.mdlocal said: 550 5.1.1 : Recipient address rejected: undeliverable address: host thecman-com.mail.protection.outlook.com said: 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors 1
  • 550 5.1.1 : user does not exist 1
  • 554 5.7.1 : Recipient address rejected: user does not exist 1
  • 451 4.4.4 Mail received as unauthenticated, incoming to a recipient domain configured in a hosted tenant which has no mail-enabled subscriptions. ATTR5 1
  • action not taken: mailbox unavailable 550 For explanation visit https://postmaster.mail.com/en/case?c=r1601&i=ip&v=209.85.208.176&r=1Msrtm-1wprXk2Fq4-016uL9 1
  • 550-5.7.26 Your email has been blocked because the sender is unauthenticated. 550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM. 550-5.7.26 Authentication results: 550-5.7.26 DKIM = did not pass 550-5.7.26 SPF with ip: = did not pass 550-5.7.26 For instructions on setting up authentication, go to 550 5.7.26 https://support.google.com/mail/answer/81126#authentication 1
  • 550 relay not permitted 1
  • 553 sorry, that domain isn't in my list of allowed rcpthosts 1
  • 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://urldefense.proofpoint.com/v2/url?u=https-3A__support.google.com_mail_-3Fp-3DNoSuchUser&d=DwICAQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=QSbMyOYR6M1EthJ3hIcbH9Fe28hu3NXqkO9HcQvAqISVYECxf57KWIs07lDkNyWf&m=ErrbeSZGqFg6JMjPRFf_tk1D2w5EkspqhI5Aji3lJh0y4kVhMqVzM3hb-WSeOFO3& 1
  • 550 User does not exist 1
  • Malformed:0-0 1
  • 552 5.2.2 This message could not be delivered because the recipient's mailbox is full. Please try again later or contact the recipient directly. See https://senders.yahooinc.com/smtp-error-codes#mailbox-full 1
  • 552 5.2.2 Quota exceeded, user has exhausted allowed storage space. 1
  • 550 5.1.1 : Recipient address rejected: undeliverable address: host dispatchdc1.mdlocal said: 550 5.1.1 : Recipient address rejected: undeliverable address: host csagc-com.mail.protection.outlook.com said: 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors 1
  • SMTP; 550-5.7.1 Your message could not be delivered. 550-5.7.1 550-5.7.1 BMS students are permitted to send emails only to other sbps.net 550-5.7.1 addresses or to approved external domains. Please verify the 550-5.7.1 recipient’s email address and try again. 550 5.7.1 - gcdp - gsmtp 1
  • 550-5.7.1 Your message was not delivered because the recipient is unable to 550-5.7.1 receive email. You can contact 550-5.7.1 instead. 550 5.7.1 - gcdp - gsmtp 1
  • 5.4.7 - Delivery expired 552-"5.2.2 The recipient's inbox is out of storage space and inactive. Please\n5.2.2 direct the recipient to\n5.2.2 https://support.google.com/mail/?p=OverQuotaPerm 1
  • 550 5.7.233 - Your message can't be sent because your tenant has exceeded its daily limit for sending email to external recipients . For more information see https://aka.ms/EXONdrs. 1
  • 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 1
  • 452 Domain size limit exceeded 1
  • 550-5.7.1 Messages missing a valid header are 550-5.7.1 not accepted. For more information, go to 550-5.7.1 https://support.google.com/mail/?p=RfcMessageNonCompliant 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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