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Is there a limit to the number of address in an address book?

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I am the secretary for the Kenyon Sportsmen's Club. I have an address book set up to send the members a newsletter. It seems that when I send a message to the address list, not all members are receiving the Email. Do you have any ideas what I am doing wrong?

I am the secretary for the Kenyon Sportsmen's Club. I have an address book set up to send the members a newsletter. It seems that when I send a message to the address list, not all members are receiving the Email. Do you have any ideas what I am doing wrong?

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There appears to be a limit of approximately 60 addresses when sending messages if you enter each address separately. However, if you use lists (mail distribution lists) for most of the addresses any limit is imposed by the SMTP server of your email provider. http://kb.mozillazine.org/Thunderbird_:_FAQs_:_Create_Mailing_List