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The Mail Server Settings section in Softrip is located under the Security subsystem in the system settings.
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Typically, users will need to setup their information in this screen one time. Once these details are added to the screen, users will be able to send emails on behalf of their organization from within the Softrip screens.
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https://www.smtp2go.com/setup/
Trouble Shooting:
Please review related article when users are having issues with system emails, users will have to contact their IT team or mail server administrator. This article provides details on how to test mail server settings to be used in the Softrip applications. Troubleshooting Mail Server Settings and Errors - Knowlege Base - Confluence (atlassian.net)