Email Outbound Queue AlertIssue The alert will trigger when the email send-ready list is growing faster than the speed we are sending emails for more than 100 seconds, and there are more than 10 emails in send-ready state CauseThe reason behind this alert can be because of multiple conditions: The Outbound Email queue is huge, which is resulting in the SMTP Senders to not process them or process them but appear stuckThe SMTP senders are unresponsiveConnection failure from the Email Sender to the target recipients email serversSMTP senders are incorrectly configured with the exchange services5. Check if email sending has been disabled ( System Mailboxes -> Email Diagnostics) and if so, review the history for system property - glide.email.smtp.active .The property may have intentionally been set to false related to testing or other maintenance reasons. ResolutionTo resolve things on your own, you can carry out the following steps: Go to HI portal, then in the navigation filter, type in System Mailboxes > Outbound > Outbox. Here, you will be able to see the outbound email queue, which can be clue of why the sender is stuck or responding slow. Make sure whether the sender is running or notGo to HI and in the navigation filter, type in System Scheduler, then under that, click on Scheduled Jobs. Here, we can clearly observe as to how many jobs are on the queue of getting processed. Also, to find out when and where the issue occurred, the best place to look for is the Email log. To do, so :- Go to your instanceUnder the navigation filter, type in email and then under the System Logs tab click on Emails To check for the status of the senders, go to the Email Diagnostics tab under the System Mailboxes section