Troubleshooting guide

Chapter 7 Troubleshooting Security Servers and Content Security
SMTP Email Process
Advanced Technical Reference Guide 4.1 • June 2000 71
SMTP Security Server
In This Section
This section describes the SMTP email and security server processes, how to troubleshoot VPN-1/FireWall-1
SMTP Security Server problems, error handling and the solutions to some common problems.
“SMTP Email Process,” page 71
“The SMTP Security Server Process,” page 72
“Troubleshooting Common SMTP Security Server problems,” page 73
“Understanding the error handling mechanism of the SMTP daemon,” page 74
“How SMTP Security Server deals with envelope format,” page 75
“Log Viewer Error Messages,” page 75
“What commands are supported by the VPN-1/FireWall-1 SMTP Security Server?,” page 77
“More Information: Security servers and content Security,” page 79
SMTP Email Process
Figure 2. The SMTP Email process. Follow the numbers…