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The output format is exactly the same as theĀ WS_MailUpSend.GetNewsletters method, including most outer tag, which is GetNewsletterResult also for GetMessages method (not "GetMessagesResult")
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The output format is exactly the same as theĀ WS_MailUpSend.GetNewsletters method, including most outer tag, which is GetNewsletterResult also for GetMessages method (not "GetMessagesResult")
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