I’m having trouble sending messages in Gmail

Note: This article is designed to help Gmail users with specific delivery problems. If you are the administrator of another webmail server, and your domain is having trouble sending or receiving messages from Gmail, refer to this article instead.

This page is designed to walk you through all of our troubleshooting information in an orderly fashion. At each step, we'll provide instructions or further questions to help narrow down the issue you're facing. Following the instructions exactly will help ensure the best results.

Please select the option below that matches your issue.

  • A message I sent was delayed
  • A message I sent isn't arriving at its destination
  • A message I sent bounced

Choose the option that best describes how you sent the message in Gmail.

  • I sent the message using the Gmail web interface at https://mail.google.com.
  • I sent the message from an email client on my computer (e.g. Apple Mail, MS Outlook).
  • I sent the message from a mobile device or tablet

Did you send the message to another Gmail user?

  • Yes, I sent the message to another ‘@gmail.com’ address
  • No, but I sent the message to an email address hosted by Google Apps
  • No, the other email account is not hosted by Google

Did you receive a delivery failure notification for the message?

  • Yes, I received a bounce message
  • No, the message didn’t bounce

Select the appropriate bounce message below

  • 'Our system detected an illegal attachment on your message.'
  • 'Over quota' or 'Inbox full'
  • 'Your message exceeded Gmail's size limits.'
  • 'Our servers have detected a mail loop.'
  • 'This Gmail user does not exist.'
  • 'The Gmail user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered.'
  • 'We weren't able to find the recipient domain.'
  • 'Parse Error: Illegal To: address (invalid domain name)’
  • None of the above

Did the other Gmail user eventually receive the message?

  • Yes, they receive the message after a delay
  • No, they haven’t gotten it yet

Were you able to display the full headers of the affected message?

  • Yes, I got the full message headers
  • No, I didn't get the message headers

Is there a delay?

  • Yes, there is a delay
  • No, there is no delay
  • I can’t use the tool since it is English-only

Is the message in Sent Mail?

  • Yes, the message is in Sent Mail
  • No, the message isn’t in Sent Mail

Was there a mistake in the recipient’s address?

  • Yes, I found a mistake in the original recipient address
  • No, the recipient’s address is correct

Did the message go to your recipient's spam folder?

  • Yes, they found my message in their junk or spam folders
  • No, I contacted the recipient, but the message was not in their junk, spam or trash folders

Did you receive a Delivery Status Notification that warned you of the delay?

  • Yes, I got a notification
  • No, I didn't get a notification

For more information on what different Delivery Status notifications details mean, click the matching option below

  • 'The recipient server did not accept our requests to connect.'
  • 'Unspecified Error (SENT_RCPT): Connection timed out.'
  • 'Unspecified Error (SENT_MESSAGE): Connection timed out.'
  • 'Mail from this IP address blocked due to DNS block list,' or a similar message
  • 'Could not contact DNS servers.'
  • I can't find the Delivery Status Notification details, or they aren't listed here

Do you continue to experience the issue?

  • Yes, messages I send from the web interface are delayed
  • No, messages are only delayed when I send from my email client

Did you send the message to another Gmail user?

  • Yes, I sent the message to another ‘@gmail.com’ address
  • No, but I sent the message to an email address hosted by Google Apps
  • No, the other email account is not hosted by Google

Did you receive a delivery failure notification for the message?

  • Yes, I received a bounce message
  • No, the message didn’t bounce

Select the appropriate bounce message below

  • 'Our system detected an illegal attachment on your message.'
  • 'Over quota' or 'Inbox full'
  • 'Your message exceeded Gmail's size limits.'
  • 'Our servers have detected a mail loop.'
  • 'This Gmail user does not exist.'
  • 'The Gmail user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered.'
  • 'We weren't able to find the recipient domain.'
  • 'Parse Error: Illegal To: address (invalid domain name)’
  • None of the above

Did the other Gmail user eventually receive the message?

  • Yes, they receive the message after a delay
  • No, they haven’t gotten it yet

Were you able to display the full headers of the affected message?

  • Yes, I got the full message headers
  • No, I didn't get the message headers

Is there a delay?

  • Yes, there is a delay
  • No, there is no delay
  • I can’t use the tool since it is English-only

Is the message in Sent Mail?

  • Yes, the message is in Sent Mail
  • No, the message isn’t in Sent Mail

Was there a mistake in the recipient’s address?

  • Yes, I found a mistake in the original recipient address
  • No, the recipient’s address is correct

Did the message go to your recipient's spam folder?

  • Yes, they found my message in their junk or spam folders
  • No, I contacted the recipient, but the message was not in their junk, spam or trash folders

Did you receive a Delivery Status Notification that warned you of the delay?

  • Yes, I got a notification
  • No, I didn't get a notification

For more information on what different Delivery Status notifications details mean, click the matching option below

  • 'The recipient server did not accept our requests to connect.'
  • 'Unspecified Error (SENT_RCPT): Connection timed out.'
  • 'Unspecified Error (SENT_MESSAGE): Connection timed out.'
  • 'Mail from this IP address blocked due to DNS block list,' or a similar message
  • 'Could not contact DNS servers.'
  • I can't find the Delivery Status Notification details, or they aren't listed here

Are you still experiencing a message delay?

  • Yes, messages I send are still delayed
  • No, messages I send are no longer delayed

How do you access Gmail and send messages on your mobile device?

  • I use my phone’s mail application (e.g. the 'Mail' app on iOS, BlackBerry)
  • I use the Gmail application on Android or iOS or my device's web browser

Do you continue to experience the issue?

  • Yes, messages I send from the web interface are delayed
  • No, messages are only delayed when I send from my email client

Did you send the message to another Gmail user?

  • Yes, I sent the message to another ‘@gmail.com’ address
  • No, but I sent the message to an email address hosted by Google Apps
  • No, the other email account is not hosted by Google

Did you receive a delivery failure notification for the message?

  • Yes, I received a bounce message
  • No, the message didn’t bounce

Select the appropriate bounce message below

  • 'Our system detected an illegal attachment on your message.'
  • 'Over quota' or 'Inbox full'
  • 'Your message exceeded Gmail's size limits.'
  • 'Our servers have detected a mail loop.'
  • 'This Gmail user does not exist.'
  • 'The Gmail user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered.'
  • 'We weren't able to find the recipient domain.'
  • 'Parse Error: Illegal To: address (invalid domain name)’
  • None of the above

Did the other Gmail user eventually receive the message?

  • Yes, they receive the message after a delay
  • No, they haven’t gotten it yet

Were you able to display the full headers of the affected message?

  • Yes, I got the full message headers
  • No, I didn't get the message headers

Is there a delay?

  • Yes, there is a delay
  • No, there is no delay
  • I can’t use the tool since it is English-only

Is the message in Sent Mail?

  • Yes, the message is in Sent Mail
  • No, the message isn’t in Sent Mail

Was there a mistake in the recipient’s address?

  • Yes, I found a mistake in the original recipient address
  • No, the recipient’s address is correct

Did the message go to your recipient's spam folder?

  • Yes, they found my message in their junk or spam folders
  • No, I contacted the recipient, but the message was not in their junk, spam or trash folders

Did you receive a Delivery Status Notification that warned you of the delay?

  • Yes, I got a notification
  • No, I didn't get a notification

For more information on what different Delivery Status notifications details mean, click the matching option below

  • 'The recipient server did not accept our requests to connect.'
  • 'Unspecified Error (SENT_RCPT): Connection timed out.'
  • 'Unspecified Error (SENT_MESSAGE): Connection timed out.'
  • 'Mail from this IP address blocked due to DNS block list,' or a similar message
  • 'Could not contact DNS servers.'
  • I can't find the Delivery Status Notification details, or they aren't listed here

Did you send the message to another Gmail user?

  • Yes, I sent the message to another ‘@gmail.com’ address
  • No, but I sent the message to an email address hosted by Google Apps
  • No, the other email account is not hosted by Google

Did you receive a delivery failure notification for the message?

  • Yes, I received a bounce message
  • No, the message didn’t bounce

Select the appropriate bounce message below

  • 'Our system detected an illegal attachment on your message.'
  • 'Over quota' or 'Inbox full'
  • 'Your message exceeded Gmail's size limits.'
  • 'Our servers have detected a mail loop.'
  • 'This Gmail user does not exist.'
  • 'The Gmail user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered.'
  • 'We weren't able to find the recipient domain.'
  • 'Parse Error: Illegal To: address (invalid domain name)’
  • None of the above

Did the other Gmail user eventually receive the message?

  • Yes, they receive the message after a delay
  • No, they haven’t gotten it yet

Were you able to display the full headers of the affected message?

  • Yes, I got the full message headers
  • No, I didn't get the message headers

Is there a delay?

  • Yes, there is a delay
  • No, there is no delay
  • I can’t use the tool since it is English-only

Is the message in Sent Mail?

  • Yes, the message is in Sent Mail
  • No, the message isn’t in Sent Mail

Was there a mistake in the recipient’s address?

  • Yes, I found a mistake in the original recipient address
  • No, the recipient’s address is correct

Did the message go to your recipient's spam folder?

  • Yes, they found my message in their junk or spam folders
  • No, I contacted the recipient, but the message was not in their junk, spam or trash folders

Did you receive a Delivery Status Notification that warned you of the delay?

  • Yes, I got a notification
  • No, I didn't get a notification

For more information on what different Delivery Status notifications details mean, click the matching option below

  • 'The recipient server did not accept our requests to connect.'
  • 'Unspecified Error (SENT_RCPT): Connection timed out.'
  • 'Unspecified Error (SENT_MESSAGE): Connection timed out.'
  • 'Mail from this IP address blocked due to DNS block list,' or a similar message
  • 'Could not contact DNS servers.'
  • I can't find the Delivery Status Notification details, or they aren't listed here

Did the message bounce?

  • Yes, my message was returned as undeliverable
  • No, I didn't receive notification that my message didn't arrive

Who sent the delivery status notification message?

  • Mail Delivery Subsystem (mailer-daemon@googlemail.com)
  • The Mailer Daemon at another domain

Please select the error message you received

  • 'Connection timed out'
  • 'Could not contact DNS servers'
  • 'The recipient server did not accept our requests to connect'
  • 'Message rejected. See http://mail.google.com/support/bin/answer.py?answer=69585 for more information.'
  • 'This Gmail user does not exist. Please try double checking the recipient's email address for typos or unnecessary spaces.'
  • 'Parse Error: Illegal To: address (invalid domain name)'
  • 'The Gmail user you are trying to contact is receiving mail at a rate that prevents...'
  • 'Gmail tried to deliver your message, but it was rejected...'

Please select the error message that most closely resembles the one you received.

  • 'Invalid recipient'
  • 'Mailbox unavailable'
  • 'Message content rejected'
  • 'Recipient address rejected'
  • 'Relay not permitted'
  • 'Sender verification failed'
  • 'Sorry, relaying denied from your location'
  • 'Sorry, that domain isn't in my list of allowed rcpthosts'
  • 'Blocked for abuse...'
  • Other

Is the message in Sent Mail?

  • Yes, the message is in Sent Mail
  • No, the message isn’t in Sent Mail

Was there a mistake in the recipient’s address?

  • Yes, I found a mistake in the original recipient address
  • No, the recipient’s address is correct

Did the message go to your recipient's spam folder?

  • Yes, they found my message in their junk or spam folders
  • No, I contacted the recipient, but the message was not in their junk, spam or trash folders

Was there an error in your recipient's email address?

  • Yes, I found a mistake in the original recipient address
  • No, the original recipient address is correct

Who sent the delivery status notification message?

  • Mail Delivery Subsystem (mailer-daemon@googlemail.com)
  • The Mailer Daemon at another domain

Please select the error message you received

  • 'Connection timed out'
  • 'Could not contact DNS servers'
  • 'The recipient server did not accept our requests to connect'
  • 'Message rejected. See http://mail.google.com/support/bin/answer.py?answer=69585 for more information.'
  • 'This Gmail user does not exist. Please try double checking the recipient's email address for typos or unnecessary spaces.'
  • 'Parse Error: Illegal To: address (invalid domain name)'
  • 'The Gmail user you are trying to contact is receiving mail at a rate that prevents...'
  • 'Gmail tried to deliver your message, but it was rejected...'

Please select the error message that most closely resembles the one you received.

  • 'Invalid recipient'
  • 'Mailbox unavailable'
  • 'Message content rejected'
  • 'Recipient address rejected'
  • 'Relay not permitted'
  • 'Sender verification failed'
  • 'Sorry, relaying denied from your location'
  • 'Sorry, that domain isn't in my list of allowed rcpthosts'
  • 'Blocked for abuse...'
  • Other