Lyris User's Guide
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Command detection
Table of Contents
Lyris Email Commands
Web Interface for Users
Server Administrator
Site Administrator
List Administrator
Other Topics
Security Considerations
Security Issues Relating to Members
Access to the list archives
Access to the list of members
Access to Subscribe to the Mailing List
Steps to restrict false impersonations
Security Features for Posting Messages
List admin posting
Admin Moderation
Number moderating
Allow Non-Member Posting
Action Phrase Restrictions
Password based posting
Banning members
Disallow Email Posting
Secure HTTP web interface
Lyris extensions
Confirmed subscriptions
Duplicate messages
Maximum posts per member
Maximum quoting allowed
Maximum Messages Per Day
Limit the Message Size
Reject Email Attachments
Moderator auto-approval
Command detection
Anonymous Postings
Access to unsubscribe and change settings
Visibility of the existence of the mailing list
Web Interface Access
Overview of Lyris Posting Security
Security Considerations of the From: field
Security Recommendations for Announcement lists
How Lyris Determines the Identity of the Person Posting
Lyris Mail Merge
The Lyris command line
Modifying lyris.plc
Add-On Packages
Installing and Upgrading
Frequently Asked Questions

Command detection

Newcomers to mailing lists will sometimes send the command "unsubscribe" to the mailing list posting address, rather than trying to follow the unsubscribe directions. Also, some automated email programs, such as "vacation" programs, send messages in response to anything they receive. If someone is on vacation, there is a risk that this vacation message could be posted to the mailing list.

For these reasons, Lyris automatically detects a wide variety of list server commands, such as "unsubscribe" and "on vacation", and intercepts them before they make it to the mailing list. These built-in filters are successful in the vast majority of cases. If a new case occurs (perhaps some new, foreign language vacation program is released), you can augment Lyris' built-in command detection with your own Action Phrases.

Other pages which link to this page:
  • Security Features for Posting Messages
  • Page 390 of 556