Bulk Email Sending Questions

Hello

The following options under the "Mail" tab in "WHM Home » Server Configuration » Tweak Settings" may be of interest to you:

Code:

Max hourly emails per domain
[I]The maximum number of emails each domain can send out per hour.[/I]

Code:

The percentage of email messages (above the account’s hourly maximum) to queue and retry for delivery. (Minimum: 100; Maximum: 10,000)
[I]When an account exceeds the maximum number of emails it is allowed to send per hour, by default, any additional messages are queued for delivery and sent in the next hour. This setting allows you to limit the number of messages that will be queued by the system. For example, if you set this value to 125%, once the account reaches its hourly limit, Exim will queue any additional messages, up to 125% of the Max hourly emails per domain value. Once the account reaches 125% of the Max hourly emails per domain value, any additional outgoing messages are discarded.[/I]

The rate per hour at which a remote server will detect your messages as SPAM depends on the settings configured on those remote servers.

Thank you.

 

Hello

It's difficult to estimate how many emails you can send per hour without overloading your server or without a remote server blocking your IP for SPAM. It depends on your hardware and the remote mail server's SPAM policies.

For example, if you set this value to 125%, once the account reaches its hourly limit, Exim will queue any additional messages, up to 125% of the Max hourly emails per domain value. Once the account reaches 125% of the Max hourly emails per domain value, any additional outgoing messages are discarded. This is about ensuring the messages you send out over the hourly limit are queued instead of discarded.

Thank you.