Email rate limit documentation help

Based on the docs, there are two configs for email, one for flows and not sure what the other one manages. I want to set the limits to match AWS SES 14 requests/second rate limit so I set the rate limit config to this:

RATE_LIMITER_EMAIL_ENABLED=true
RATE_LIMITER_EMAIL_POINTS=13
RATE_LIMITER_EMAIL_DURATION=1
RATE_LIMITER_EMAIL_QUEUE_SIZE=500
RATE_LIMITER_ENABLED=true
RATE_LIMITER_STORE=redis

But does this config work when using Email operation in flows or its bypassed and it would drop emails if the Email Flows config is enabled when rate limit is hit?

Also does this affect how parallel mode works as it would execute the operations concurrently and would it still be managed by the redis queue or its better to use serial mode with a sleep operation to avoid hitting the rate limit? TIA.

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