I have added the following rules in exim.conf a few days ago. I thought it could limit the recipients to 50 per email. However, I found one client can still send over 200 recipients in one email. Is there anything wrong? Thanks for any comments.
# Max recipients for each message
SMTP_MAX_RCPTS = 50
# Max messages sent in each SMTP connection
SMTP_MAX_SESSIONS_PER_CONNECTION = 50
smtp_accept_queue_per_connection = 50
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