Customer can't send to 30 recipients, 1 recipient works ok.

[BianchiDude]

Customer can't send to 30 recipients, 1 recipient works ok.

What could be causing this?

The max emails per hour in my WHM is set at 1500.

[serversignature]

hi,

have you checked, what /var/log/exim_mainlog says for the customers email address from which he is trying to send the mails.

thanks,