[2] RFC 3028 - Sieve: A Mail Filtering Language, 2021-04-11T10:35:14.000Z, 2021-04-21T09:20:45.090Z https://tools.ietf.org/html/rfc3028

[3] RFC Errata Report » RFC Editor, 2021-04-21T09:38:02.000Z https://www.rfc-editor.org/errata_search.php?rfc=3028

[1] RFC 7352 - Sieve Email Filtering: Detecting Duplicate Deliveries ( (2014-09-16 01:56:33 +09:00 版)) https://tools.ietf.org/html/rfc7352

[4] RFC 3431 - Sieve Extension: Relational Tests, 2021-04-11T15:52:24.000Z, 2021-04-23T09:33:27.176Z https://tools.ietf.org/html/rfc3431

[5] Sieve Extensions, 2021-04-23T09:36:04.000Z https://www.iana.org/assignments/sieve-extensions/sieve-extensions.xml

[6] RFC 3685 - SIEVE Email Filtering: Spamtest and VirusTest Extensions, 2021-04-25T08:55:55.000Z, 2021-04-27T02:35:23.926Z https://tools.ietf.org/html/rfc3685

[7] RFC 3598 - Sieve Email Filtering -- Subaddress Extension, 2021-04-18T09:52:22.000Z, 2021-04-27T02:48:20.681Z https://tools.ietf.org/html/rfc3598

[8] rfc3894, 2021-06-08T06:36:41.000Z https://datatracker.ietf.org/doc/html/rfc3894