The number of e-mails to store in the queue before sending them in a batch.
| Type: | Long | 
| Default: | 20 | 
| Required: | No | 
| Configuration Section: | MyCustomFunctionality | 
| Example: | MaxEmailsToSendBatchProcess=60 | 
| See Also: | RunMailer SleepBetweenSentEmails | 
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