To how many addresses can I send a message?

Asked by:
cfoote / 10 Points
2013-03-27 8:15 pm EST
Everything Email
I use Mac Mail 4.6. I send a quarterly newsletter to my students. When I have even 25 students in the "send to," I get the error message:

Cannot send message using the server My SMPT server.
The server “” did not recognize the following recipients:

Please can you help me send my newsletter.

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Best answer chosen by User


12,110 Points
2013-03-28 9:20 am EST
Hello cfoote,

Thank you for your question. The only email limitations are 50 recipients at a time, and 250 emails per hour.

You can request an increase, or exemption to this limitation in AMP.

Also, here is a link to our article on setting up your Mac Mail program, in case you need to check your settings.

We would need more information to provide a specific answer, such as the sending address. I recommend contacting live Technical Support, so they can review the logs in real-time when you send the newsletter.

If you have any further questions, feel free to post them below, or contact live Tech Support.

They are available 24/7 via:
Phone: 877-595-4482 x2
Chat (there is a link on the top right).

Thank you,


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