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Drupal Module that converts individual Organic Groups into mailing lists.
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postfix_og_mailinglist Added Nigel's og_mailinglist_postfix_transport.php file. Couldn't merge Nov 23, 2010
og_mailinglist.css Put ogm into the Organic Groups package. Sep 13, 2010


OG_mailinglist - Turns Drupal into a multi-group email list.

OG_Mailinglist allows users to start new posts by email and post comments on existing posts by simply replying to emails.  You get the best of both worlds: a browser-based discussion site and an email-based list.

See the INSTALL.TXT file for system requirements and prerequisites.


Suppose you have implemented Organic Groups and have three topical groups: "Web Programming", "Technical Help", and "Politics".  Users normally go to the group page and click "Create Story" to start a discussion.  With this module, a user simply emails "" to start a new discussion.  The subject becomes the story title, and the body becomes the story body.

Using the regular Drupal notifications framework, all users in the group get an email telling them of the new post.  These users would normally click the link to make comments.  With this module, a user wanting to post a comment simply hits Reply and sends his or her comment.  The reply mail also goes to the "" address.

In many ways, your Drupal site becomes a mailing list manager.  Users never have to visit the site to start or participate in discussions.  The module automatically detects new or deleted groups and is always up to date.


This module essentially allows group members to post to your site directly from their email box -- it bypasses their login name and password and simply matches the email address.  This can be spoofed by anyone smart enough to do it.  The module has some security in place, but by its very nature, it is a potential security risk.  Use this module only on sites where this is acceptable.


Thanks to the mail_comment module for the inspiration for some of the code in this module.
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