MAX_PAGES_PER_MESSAGE

(integer, 1 - 255) The maximum number of SMS messages to generate for a given email message is controlled with this option. In effect, this option truncates the email message, only converting to SMS messages that part of the email message which fits into MAX_PAGES_PER_MESSAGE SMS messages. See the description of the MAX_PAGE_SIZE option for further discussion.

By default, MAX_PAGES_PER_MESSAGE is set to the larger of 1 or MAX_MESSAGE_SIZE divided by MAX_PAGE_SIZE.