postfix

postqueue

# Send deferred messages
postqueue -f

amazonses

# Turn on email sending
aws ses update-account-sending-enabled --enabled --region us-east-1
aws ses update-account-sending-enabled --enabled --region ca-central-1

# Turn off email sending
aws ses update-account-sending-enabled --no-enabled --region us-east-1
aws ses update-account-sending-enabled --no-enabled --region ca-central-1

# Is email sending on?
aws ses get-account-sending-enabled --region us-east-1
aws ses get-account-sending-enabled --region ca-central-1

# Is an email address on the supression list or not
aws sesv2 get-suppressed-destination --email-address "a@b.ca"