Knowledge Base


Question / Problem

I keep getting this error and emails won't go out: SmartSerialmail SMTP-Server Error: Connection Closed Gracefully. How do I troubleshoot?

Answer / Solution

Some SMTP servers limit the number of messages sent per time interval. Please use the option "Processing with a time delay" in the "Sending Options" of step "1.Sender" and reduce the number of mail messages sent per time interval. The optimal settings for this options can only determined by experience and will differ for every provider.The second reason for this error may be an installed antivirus or application firewall which cuts the connection.Turn off any antivirus or firewall to see if this may be the problem.

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