exim limit email for both php mail() script and smtpd mail per hour

you can send mail from both smtp and mail( )  script so we need to set limit for the smtp and mail ()

acl_not_smtp is for the case when hosting PHP scripts is sending an email via mail() function, so it will works fine with $authenticated_id - you will get 'username' of the site that is sending an email - and you can limit 'per user' that is hosting a site(s).

Not sure why your Roundcube is running as 'www-data' - do you access Roundcube via http://server-hostname/webmail/ and does 'server-hostname' is created under 'admin' account on Vesta? You are using Apache2+nginx combination?

Anyway.
I'll try (in next 2-3 days) to figure out how to force Roundcube to send emails via SMTP (it didn't work tonight when I tried to do that, it still used mail() function even I entered SMTP host in Roundcube config file).

Next, we need to see what is an ACL section for authorized SMTP user - it's probably acl_check_rcpt that Skurudo already sugested - but I'll check.

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To summarize it all, here is what you have to do to get it all working. I had to read both threads until I get it right.

File to edit: /etc/exim/exim.conf

Find:

CODE: SELECT ALL

begin acl

Before, add:

CODE: SELECT ALL

acl_not_smtp = acl_not_smtp

Find:

CODE: SELECT ALL

begin acl

After, add:

CODE: SELECT ALL

# for PHP scripts, limit per vesta user
acl_not_smtp:
deny message = Web site of $authenticated_id user is sending too much emails - rate overlimit = $sender_rate / $sender_rate_period
ratelimit = 20 / 1h / $authenticated_id
accept

Find:

CODE: SELECT ALL

acl_check_rcpt:
accept hosts = :

After, add:

CODE: SELECT ALL

# for SMTP authenticated users, limit per email account
deny message = Email account $authenticated_id is sending too much emails - rate overlimit = $sender_rate / $sender_rate_period
ratelimit = 20 / 1h / $authenticated_id

File to edit: /etc/roundcube/defaults.inc.php
Change the settings in red to match those posted here.

$config['smtp_server'] = 'localhost';

// SMTP port (default is 25; use 587 for STARTTLS or 465 for the
// deprecated SSL over SMTP (aka SMTPS))
$config['smtp_port'] = 25;

// SMTP username (if required) if you use %u as the username Roundcube
// will use the current username for login
$config['smtp_user'] = '%u';

// SMTP password (if required) if you use %p as the password Roundcube
// will use the current user's password for login
$config['smtp_pass'] = '%p';

how do I define Multiple Acls per hour, per minute, per second like this ??

acl_not_smtp: deny message = Web site of $authenticated_id user is sending too much emails - rate overlimit = $sender_rate / $sender_rate_period ratelimit = 20 / 1s / $authenticated_id deny message = Web site of $authenticated_id user is sending too much emails - rate overlimit = $sender_rate / $sender_rate_period ratelimit = 200 / 1h / $authenticated_id   accept 

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