12.5 Queued Mail
12.5.1 Monitoring Email Delivery Status
Step 1. Go to Mail Security > Configuration > Settings and then set as below:
Max. Lifetime of Queued Mail: 4 hour.
When the delivery has failed, the system will keep trying to resend the
email to the recipient periodically within the storage time.
12-43)
Figure 12-43 Specifying the Storage Time of an Email
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(Figure