![Automation Server > Automation Server configuration and administration guide > Initial project configuration > Best practices in the production environment > Configuring the SMTP service through IIS Automation Server > Automation Server configuration and administration guide > Initial project configuration > Best practices in the production environment > Configuring the SMTP service through IIS](https://help.bizagi.com/bpm-suite/en/smtp_iis.png)
Automation Server > Automation Server configuration and administration guide > Initial project configuration > Best practices in the production environment > Configuring the SMTP service through IIS
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Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support
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