POP3 Round Trip Email
This template simulates an email round trip to test the ability of your SMTP server to receive and distribute email, and the ability of your users to retrieve messages from POP3-enabled email clients.
If you want to monitor Google gmail, you need to use the POP3 Roundtrip Email Template rather than the MAPI Roundtrip Email Template. MAPI is not compliant for gmail, because gmail is not a desktop email client.
An SMTP server and a POP3 server.
POP3 mailbox account. If the SMTP server requires authentication, the POP3 mailbox and the SMTP server must have identical user names and passwords.
For reference, see Use SAM templates, application monitors, and component monitors.
POP3 User Experience Monitor
This component monitor tests an email round trip from your SMTP mail server to your POP3 mail server and measures the time it takes to complete the trip. This response time is measured in milliseconds.