Patrick Cloke 9400dc0535 Add the List-Unsubscribe header for notification emails. (#16274) ... Adds both the List-Unsubscribe (RFC2369) and List-Unsubscribe-Post (RFC8058) headers to push notification emails, which together should: * Show an "Unsubscribe" link in the MUA UI when viewing Synapse notification emails. * Enable "one-click" unsubscribe (the user never leaves their MUA, which automatically makes a POST request to the specified endpoint).		2023-09-11 09:49:48 -04:00
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client	Add the List-Unsubscribe header for notification emails. (#16274)	2023-09-11 09:49:48 -04:00
__init__.py	Remove redundant "coding: utf-8" lines (#9786)	2021-04-14 15:34:27 +01:00