When deployed, the newly-parallel expiration-mailer encountered unexpected difficulties and dropped to apparently sending nearly zero emails despite not throwing any real errors. Reverting the parallelism change until we understand and can fix the root cause. This reverts two commits: - Allow expiration mailer to work in parallel (#6057) - Fix data race in expiration-mailer test mocks (#6072) It also modifies the revert to leave the new `ParallelSends` config key in place (albeit completely ignored), so that the binary containing this revert can be safely deployed regardless of config status. Part of #5682 |
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| mailer.go | ||
| mailer_test.go | ||