F-SECURE INTERNET GATEKEEPER WINDOWS 2000-2003 SERVER 6.61 Administrator's Manual page 167

CHAPTER 6 167
Administering F-Secure Anti-Virus for Internet Mail
Figure 6-10 Inbound Mail / Receiving settings
Accept mail Specify whether e-mail messages are
accepted or rejected.
Reject Permanently - Reject all messages.
F-Secure Anti-Virus for Internet Mail sends
the SMTP reply code 521, which instructs
the sending mail server to stop trying to send
the message again.
E-mail messages which were accepted
before changing this setting are processed
normally.
Reject Temporarily - Temporarily reject all
messages. F-Secure Anti-Virus for Internet
Mail sends the SMTP reply code 421, which
instructs the sending mail server to try again
later.
E-mail messages, which were accepted
before changing this setting are processed
normally.