2 - 3 - 6 - 8 - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Z
Administrative Message
Click on the red underlined text to get to the source
... MIME-RPT The Multipart/Report Content Type for the 3462
Reporting of Mail System Administrative Messages
SMTP-DSN ...