What is the maximum number of recipients I can use?

By default our system is configured to allow up to 50 recipients per single message (this can be increased to a maximum of 100 recipients if required).

This is done because many 'remote' email servers will reject messages containing large numbers of recipients - if possible we would recommend you try to keep to less than 10 recipients per message.

If you are using mail-merge or mailing list software with AuthSMTP check the configuration to see if it will split a large mailing into multiple separate email messages - they usually allow you to either specify a number of recipients per message or one message per recipient.

Notes:

• This figure is not guaranteed as it could become necessary to reduce this as an anti-SPAM precaution.
• In terms of your message quotas - 1 message with 20 recipients (either as to:, cc: or bcc:) will count as 20 messages sent - see here for more details.

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