The following situation is given: An external company forwards e-mails to us via Messagelabs. The SPF check blocks these mails, because the mail servers of the external company are not allowed to send mails on behalf of the domains of the original authors.
The following configuration option is required: The SPF check must be deactivatable for individual sending mail servers. It should be possible to use regular expressions to easily select large groups of mail servers. Example: *.sender.com for server1.sender.com, server2.sender.com, ...
I have created this idea on request from the support, where I asked if the configuration is possible.