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2.1 Introduction.

This chapter describes how to be a moderator (message and subscription) and remote administrator for a mailing list run by ezmlm/idx Features that require ezmlm-idx are marked ``(*)'' . Ezmlm keeps subscriber lists secret. Only if configured (see below) will it allow the addresses to be listed, and then only to remote administrators. Similarly, moderator identities are never revealed to subscribers or to other moderators. Ezmlm sends special moderator help in response to a -help request for a moderator. To receive this information for, send mail to

2.2 Message moderation(*).

Ezmlm lists may be set up with message moderation. When ezmlm receives a message for the list, it saves it, sends a moderation request with the message enclosed to the moderator(s). The subject of moderation request is ``MODERATE for ...''. If you would like to approve the message, just reply to the ``Reply-To:'' address of the moderation request. Usually, this is the default for the ``reply'' function of your mail program. Alternatively, click on the ``accept'' address or copy and paste it into the ``To:'' field of a new message. To reject the message, reply to the ''From:'' address, click on the ``reject'' address, or copy and paste the ``reject'' address into the ``To:'' field of a new message. You can also just replace the ``accept'' in the accept address with ``reject''. Optionally, type a comment between two lines starting with ``%%%''. The sender of the message will receive a message from ezmlm explaining that the message was rejected. If you typed a comment, it will be put into the rejection notice. The third alternative is to ignore the request. If no moderator has replied within 5 days, the message is returned to the sender with an explanation. To minimize mail to busy moderators, ezmlm does not confirm moderator actions. More than one moderator may reply. The message will not be duplicated. The first valid reply to be received will decide the fate of the message. Ezmlm will send an error message only if if a later reply requests an action different from the one already taken. Thus, if you decide to accept the message, but another moderator has already rejected it, ezmlm will notify you. If instead the message had been previously accepted, ezmlm would log your request, but not send you a notification. If a message is send by a moderator, it is sent for approval to that moderator only. The approval is necessary since anyone can claim to be a moderator, but only the moderator will be able to receive the moderation request. This feature is very useful for announcement lists where any moderator can make an announcement without bothering the others, while at the same time non-moderators cannot post without permission.

2.3 Remote administration(*).

A remote administrator is an address that can add/remove addresses from the subscriber list. To subscribe to the list, send mail to Normally, will be asked to confirm. However, if you are a remote administrator, you will receive the confirmation request. Thus, does not need to participate. When you've successfully added the address, will receive a message acknowledging his subscription. You can unsubscribe addresses (-unsubscribe) or determine if an address is a subscriber (-query). You may also -list subscriber addresses list and/or -edit list text files, such as the one sent in reply to the -help command (see below). You can use all these functions to help users subscribe or unsubscribe to the list.

2.4 Adding subscriber aliases(*).

Ezmlm lists may be set up to only allow subscribers to send messages to the list. This is less secure than moderation, but still keeps most ``garbage'' off the list. Occasionally, a user may wish to send messages from an address other than the subscription address. As a remote administrator, you can add the user's alias to a special ``allow'' database. To add as an alias to the, send mail to -unsubscribe and other commands work the same way. The messages ezmlm sends talk about the mailing list, but of course you know that this is just a figure of speech. On lists that do not have subscription moderation, users can add themselves to the ``allow'' database in the same way. This is not documented in the USER'S manual. Archive access may also be restricted to subscribers. Like subscribers of the list or the digest list, addresses in the ``allow'' database are allowed to access the archive.

2.5 Preventing an address from posting(*).

Just as you may want to allow some non-subscriber addresses to send messages to the list, you may want to (temporarily) prevent an address from posting. This is easily defeated, but very useful if some defective mail robot or other mailing list sends messages to the list address. The system works just like the ``allow'' list, but is called ``deny''. To prevent from posting to, send mail to and reply to the confirmation request, respectively. You can do this only if you are a remote administrator and the list is set up to support this option. You can use -unsubscribe, -query, and other commands with this address collection, just as for the normal subscriber database. Normal users cannot access the database. This database does not affect archive access.

2.6 Listing subscribers(*).

The list may be configured to allow remote administrators to obtain a list of subscriber addresses. If is set up with this option and you are a remote administrator, mail to will get you the list. If you are sending from another account, you can use to get the list to Of course, this will work only if is a remote administrator. Subscriber lists for the ``digest'', ``deny'' and ``allow'' databases are obtained in a similar manner by a message to,, or

2.7 Subscription moderation(*).

If the list is set up for subscription moderation, a moderator has to approve the user's subscription request. The process starts with a user -subscribe request, followed by the normal user confirmation. After this, ezmlm sends a second confirmation request to the moderator(s). If any moderator replies to this request, the user is accepted as a subscriber. You may send the user a message to request further information. However, this will reveal your address/identity to the user. Users may unsubscribe at any time without moderator assistance.

2.8 Editing ezmlm administrative messages(*).

If configured, remote administrators may edit (via E-mail) ezmlm text files, such as the one sent in reply to the -help command. A list of editable files, their use, and instructions for editing may be obtained with the -edit command. Thus, for the list, send a message to and follow the instructions. With or without ezmlm-idx, the messages can be modified locally with a text editor.

© Copyright 1997, 1998, 1999 Fred Lindberg, & Fred B. Ringel,
This page was last built on 10/3/99; 1:25:47 PM on the MacOs

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