[14] RFC 2480 - Gateways and MIME Security Multiparts, 2021-01-31T16:16:40.000Z, 2021-03-26T05:53:47.777Z https://tools.ietf.org/html/rfc2480

[1] S/Mime and PGP Products and Interoperability (1998-11-11 03:18:36 +09:00 版) http://www.strom.com/places/smime.html

[2] RFC 7281 - Authentication-Results Registration for S/MIME Signature Verification ( (2014-09-28 07:34:00 +09:00 版)) https://tools.ietf.org/html/rfc7281

[3] RFC 7114 - Creation of a Registry for smime-type Parameter Values ( (2014-09-07 10:11:37 +09:00 版)) https://tools.ietf.org/html/rfc7114

[4] RFC 7107 - Object Identifier Registry for the S/MIME Mail Security Working Group ( (2014-08-04 13:39:44 +09:00 版)) https://tools.ietf.org/html/rfc7107

[5] Secure MIME Datasheet (2015-04-06 17:37:31 +09:00 版) http://web.archive.org/web/19970709141721/http://home.netscape.com/assist/security/smime/datasheet.html

[6] RFC 7508 - Securing Header Fields with S/MIME (2015-04-23 14:03:12 +09:00 版) https://tools.ietf.org/html/rfc7508

[7] RFC 7107 - Object Identifier Registry for the S/MIME Mail Security Working Group ( (2014-01-25 11:12:24 +09:00 版)) http://tools.ietf.org/html/rfc7107

[8]

OCNから配信するメールにおけるセキュリティ対策について | OCN (2015-12-24 23:05:51 +09:00 版) http://www.ocn.ne.jp/info/announce/2012/02/21_1.html

OCNでは、送信するメールにシマンテック社*2発行の電子証明書を添付し、電子的に封(署名)をします。
メールソフトによっては、電子署名が「smime.p7s」という添付ファイルとして表示されることがあります。

[9] RFC 4262 - X.509 Certificate Extension for Secure/Multipurpose Internet Mail Extensions (S/MIME) Capabilities (2016-07-03 21:18:04 +09:00) https://tools.ietf.org/html/rfc4262

[10] 自堕落な技術者の日記 : S/MIME署名/暗号メール機能が最強だと思うOutlook Expressとのお別れ - livedoor Blog(ブログ) (2016-12-21 22:31:34 +09:00) http://blog.livedoor.jp/k_urushima/archives/1729954.html

[11] RFC 8162 - Using Secure DNS to Associate Certificates with Domain Names for S/MIME (2017-06-01 08:15:21 +09:00) https://tools.ietf.org/html/rfc8162

[12]

RFC 4119 - A Presence-based GEOPRIV Location Object Format (2018-02-11 21:10:31 +09:00) https://tools.ietf.org/html/rfc4119

all PIDF implementations that
support the XML Schema extensions for location information described
in this document MUST support S/MIME; in particular, they MUST
support the CMS [6] EnvelopedData and SignedData content types, which
are used for encryption and digital signatures, respectively.

[13] OpenPGPとS/MIMEに脆弱性、適切な実装をしていないクライアントが原因 | スラドセキュリティ (2018-05-16 20:30:54 +09:00) https://security.srad.jp/story/18/05/16/074217/