RFC 7504: SMTP 521 and 556 Reply Codes (Q47479767)
request for comments publication
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Current Data About RFC 7504: SMTP 521 and 556 Reply Codes
(P31) (Q212971)
(P248)
(P813) Monday, January 22, 2018

(P50) (Q6243265)
(P1932) J. Klensin
(P248)
(P813) Saturday, December 28, 2019

(P123) (Q217082)
(P248)
(P813) Monday, January 22, 2018

(P144) (Q47455494)
(P248)
(P813) Saturday, February 10, 2018

(Q47484879)
(P248)
(P813) Saturday, February 10, 2018

(P407) (Q1860)
(P248)
(P813) Monday, January 22, 2018

(P577) Monday, June 1, 2015
(P248)
(P813) Monday, January 22, 2018

(P921) (Q160453)

(P953) https://tools.ietf.org/html/rfc7504
(P2701)
(P248)
(P813) Monday, January 22, 2018

https://tools.ietf.org/rfc/rfc7504.txt
(P2701)
(P248)
(P813) Monday, January 22, 2018

https://www.rfc-editor.org/rfc/rfc7504.txt
(P2701)
(P248)
(P813) Monday, January 22, 2018

https://www.rfc-editor.org/pdfrfc/rfc7504.txt.pdf
(P2701)
(P248)
(P813) Monday, January 22, 2018

(P1104) 7
(P248)
(P813) Monday, January 22, 2018

(P1476) "SMTP 521 and 556 Reply Codes" (language: en)
(P248)
(P813) Monday, January 22, 2018

other details
aliases RFC7504
 SMTP 521 and 556 Reply Codes
description request for comments publication

External Links
(P356) 10.17487/RFC7504
(P892) 7504
(P8978) journals/rfc/rfc7504