[dreamwidth/dw-free] 685d1d: Commit sins to stop duplicating email

[github]

Branch: refs/heads/master
Home: https://github.com/dreamwidth/dw-free
Commit: 685d1d71714d9fb8a3552dfebe44c74d88305557
https://github.com/dreamwidth/dw-free/commit/685d1d71714d9fb8a3552dfebe44c74d88305557
Author: Mark Smith <mark@dreamwidth.org>
Date: 2020-05-27 (Wed, 27 May 2020)

Changed paths:
M cgi-bin/DW/Task/SendEmail.pm

Log Message:
-----------
Commit sins to stop duplicating email

I'm pretty sure the real problem here is that we're hitting the
visibility timeout on SQS and reprocessing messages, so this hack uses
memcache to make sure we don't send duplicate messages until I can
figure out the root issue with TaskQueue/SQS.