This site publishes the MTA-STS (SMTP MTA Strict Transport Security) policy for ICS mail domains. It tells sending mail servers to deliver mail to ICS only over TLS to the mail servers listed below.
Current policy
version: STSv1 mode: enforce mx: mx.zoho.in mx: mx2.zoho.in mx: mx3.zoho.in max_age: 604800
The machine-readable policy is served at /.well-known/mta-sts.txt.
Contact
Email: [email protected]