In Order to configure custom SMTP email - from address instead of using “noreply@sysintellects.com” , Goto Company Profile → Advanced Configuration and add below configurations with correct values.
cmx.email.custom.smtp.server.enabled true
cmx.email.sender contract-management@yourcompany.com
cmx.email.server.authenabled true
cmx.email.server.authpassword Passwordforemailinbox
cmx.email.server.authusername Contracts
cmx.email.server.host webmail.xx.com
cmx.email.server.port 25
cmx.email.server.sslenabled true
cmx.email.server.tlsenabled true