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| Arrow Creates and manages both announcement mailing lists and interactive mailing list discussions on PC's using a standard e-mail account. | |
| ListServe.com Creator of list server products designed to help 'push' users messages to their target audience and promote traffic to their web sites. | ||
| IPSwitch Makers of list servers that can receive mail and then re-send the mail to all the users on the mailing list to share information about specific topics. | ||
| Great Circle Program which automates the management of Internet mailing lists. | ||
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