SMTP Service Ext for Message Size

SMTP Service Extension for Message Size Declaration
SMTP Service Extension for Message Size Declaration
SMTP Service Extension for Message Size Declaration
Military Message Handling System (MMHS) over SMTP Profile
SMTP Submission Service Extension for Future Message Release
SMTP Service Extensions
The EuroBridge Platform - Support Of An EnhancedMultimedia Mail Service
SMTP Service Extension for Priority
SMTP Service Extensions for Transmission of Large and Binary Message Headers
The QUICKSTART SMTP service extension