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Refactor MTA-STS policy files: streamline index.html, update mta-sts.txt, and add comprehensive mta-sts.md example file

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Endrence Leternet
2025-06-10 15:36:51 +06:00
parent 4a3ef8ada1
commit 1214192774
3 changed files with 48 additions and 19 deletions
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.well-known/mta-sts.txt
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# MTA-STS Policy File for lewsion.com
# For more information, see: https://tools.ietf.org/html/rfc8461
version: STSv1
# Policy version. Always 'STSv1' as per RFC 8461.
mode: enforce
# Policy mode. Possible values:
# enforce - Enforce the policy (recommended for production)
# testing - Report violations but do not enforce (use for testing)
# none - Disable MTA-STS
mx: mx1.forwardemail.net
mx: mx2.forwardemail.net
# Primary mail server hostname (must match your DNS MX records).
# Add additional 'mx:' lines for each secondary mail server if needed.
# Example:
# mx: mx2.lewsion.com
max_age: 604800
# Policy lifetime in seconds (e.g., 1209600 = 14 days).
# Increase for production, decrease for testing.

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mta-sts.md Normal file
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# Example: `mta-sts.txt`
This is an example of an **MTA-STS policy file** with all possible values.
Save this file as `.well-known/mta-sts.txt` and serve it over HTTPS at:
`https://mta-sts.example/.well-known/mta-sts.txt`
---
## Policy Fields
```plaintext
version: STSv1
# The version of the MTA-STS policy. Must be "STSv1".
mode: enforce
# The policy mode. Possible values:
# enforce - SMTP servers must enforce the policy.
# testing - Policy is in testing; violations are reported but not enforced.
# none - No policy is applied.
mx: mail.example.com
mx: *.mail.example.net
# The list of MX patterns (hostnames) that are valid for your domain.
# Wildcards (*) are allowed only as the left-most label.
max_age: 86400
# The time (in seconds) that the policy is valid for.
# Recommended minimum is 86400 (1 day). Maximum is 31557600 (1 year).
```
---
## Example Full Policy
```plaintext
version: STSv1
mode: enforce
mx: mail.example.com
mx: *.mail.example.net
max_age: 86400
```
---
For more details, see:
https://datatracker.ietf.org/doc/html/rfc8461