We already have limit of 40 mails per hour, but when they put 500 addresses per mail, that limit will not prevent them to send 20.000 spam emails...
Because of that, we limited max number of recipients per email to 15, in order to prevent their ability to do mass spamming.
However, some business users sometimes have a need to send email to more than 15 email addresses.
So, here is how to delete this limitation, or set it to higher value.
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Edit file: /etc/exim4/exim4.conf.template
Find:
Code: Select all
LIMIT_PER_EMAIL_ACCOUNT_MAX_RECIPIENTS = 15
LIMIT_PER_HOSTING_ACCOUNT_MAX_RECIPIENTS = 5
On older exim conf you will not find it, but you will find:
Code: Select all
recipients_max = 15
recipients_max_reject = true
Restart Exim4:
Code: Select all
systemctl restart exim4