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How To Fix Sendgrid Connection Timed Out Error?

SendGrid is one of the email service providers that work similar to cloud-based SMTP providers without maintaining any email servers. If you get the “SendGrid connection timed out” error while sending an email, follow the below-mentioned troubleshooting methods.

Solution: 1

  • You need to check whether you have configured the server settings appropriately on your SendGrid account.
  • The connection timed out error is due to the SMTP server failure.
  • It can be resolved by integrating the Web API or SMTP relay.
  • To fix this issue, you need to log on to your SendGrid account first.
  • Click on the username available at the top-left corner of the screen.
  • Next, click the Setup Guide option and select Integrate using our Web API or SMTP relay that is used to fix theSendgrid connection timed out error.
  • Next, click the SMTP relay option and type your username in the required field to create an apikey with Mail permissions.
  • Click the Create apikey link and wait until it is generated.
  • After generating the apikey, copy it.
  • Now, configure your server host settings in the email client using the “” server name (outgoing mail server name for SMTP relay).
  • Now, set your username as “apikey” and enter the copied apikey as your password.
  • Enter the port number 587 if you wish to use TLS connections.
  • Otherwise, enter port 465 for SSL connections.
  • After configuring the above settings, send a test mail to verify the settings.
  • If the problem persists, move on to the next solution.

Solution: 2

  • First, open the Web Host Manager (WHM) and enter “firewall” in the search field.
  • Navigate to the left side panel and click the ConfigServer Security & Firewall tab.
  • On the right-side pane, click the drop-down arrow and choose the SMTP Settings option.
  • Under SMTP Settings, toggle off the SMTP_BLOCK button.
  • Click on the Change button available at the bottom of the window to apply the settings.
  • Now, check if the SendGrid connection timeout error is resolved.
  • If the problem Sendgrid connection timed out remains unsolved, contact our technical support team to fix this issue.
Sendgrid Connection Timed Out