| MTA-STS-QUERY(1) | mta-sts-query | MTA-STS-QUERY(1) |
NAME¶
mta-sts-query - retrieve MTA-STS policy of a domain
SYNOPSIS¶
mta-sts-query [OPTION]... DOMAIN [KNOWN_VERSION]
DESCRIPTION¶
Retrieve the MTA-STS policy of a domain and display the result on standard output. This diagnostic utility is also useful without Postfix.
MTA-STS, specified in RFC 8461 [0], is a security standard for email servers. When a site configures MTA-STS, other mail servers can require the successful authentication of that site when forwarding mail there.
OPTIONS¶
-h, --help
show a help message and exit
-v, --verbosity VERBOSITY
set verbosity level: debug, info,
warn (default), error, or fatal.
DOMAIN
domain for which to retrieve the MTA-STS policy
KNOWN_VERSION
latest known version (default: None)
EXAMPLES¶
Retrieve MTA-STS policy for dismail.de:
mta-sts-query dismail.de
SEE ALSO¶
NOTES¶
0.
SMTP MTA Strict Transport Security (MTA-STS):
<https://tools.ietf.org/html/rfc8461>
| 2024-05-26 | postfix-mta-sts-resolver |