This article applies to accounts with McAfee Email Protection as default antispam solution.
If you wish to use 3rd party mail filtering solution you need to contact support and request routing. There are two criterias that must be met:
- You need to provide Intermedia with IP range of the 3rd party mail filtering solution's servers.
- Mail filter servers must be configurable to send out on ports other than 25.
Please note that it is possible to relay from trusted 3rd party mail filtering solutions only. If you use an in-house servers as initial antispam protection, then you are subject to double filtering.