http://www.macnn.com/articles/02/05/06/post.office/
Post Office 3.5.3 adds listserv functions
updated 09:20 am EDT, Mon May 6, 2002
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Tenon's multi-threaded mail/list server for Mac OS, Post.Office 3.5.3, now incorporates powerful list serving functions, supporting hundreds of lists and mailings to thousands of subscribers. It also includes IMAP, POP-before-SMTP, and SPAM filtering as well as Web-based administration. A starter package is available for $300, supporting 100 mailboxes and 10 lists, while a free version of Post.Office, limited to ten mailboxes and two mailing lists.
