[Mailman-Users] two mailman installations..
khillo100 at hotmail.com
Wed Jan 23 22:41:11 CET 2008
Dear mailman guys..
I have a cent-os dedicated server with godaddy and is hosting my daily newsletter list on it .. my subscrier list has grown to over 77,000 and is growing rapidly that I will have to purchase another server in order to deliver the newsletter in the same day.. because godaddy's policy allows each dedicated server to send the maximum of 100,000 emails per day..
the question is, is there a way to prevent duplicate subscriptions? because people subscribe to my newsletter by email sent to me, then I collect all the emails and use the mass-subscribe option in the web interface.. and some subscribers may exist in the first server and not in the second one so that they will recieve the same email twice..
any ideas how to avoid duplicate subscriptions in different servers?
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