Forms Emails Not Sending with Office 365

Error: Error:Aspose.Email.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Unable to read data from the transport connection: The connection was closed. is being returned to Forms by the SMTP server. 

• Office 365

• SMTP 

• ReadyForms

• Enterprise Forms

• DocOrigin

SMTP server is not correctly configured to receive bulk transmissions. 

Reach out to Office 365 Support through your Office Admin Portal

https://docs.microsoft.com/en-us/exchange/mail-flow-best-practices/how-to-set-up-a-multifunction-device-or-application-to-send-email-using-microsoft-365-or-office-365

Tyler Support Services cannot assist with troubleshooting the SMTP server beyond verifying the settings are correct within Munis. Tyler Forms emails send as a bulk process and may fail independently regardless of successful test emails or inter-office communication.