Mail Filtering / Gateway

Geographically Diverse Filtering Zones
Servers in multiple Geographic Zones We care about your data privacy and security as well as creating the most redundant network possible for your S...
Thu, 25 Feb, 2016 at 11:32 PM
TLS Support
Encrypting Email Transmissions We consider email privacy a right, and not a privilege. All email customer inbound and outbound communications have the abi...
Thu, 25 Feb, 2016 at 11:15 PM
What is the maximum attachment size for email?
Inbound - For email messages coming into the system the limit is 50MB for the total attachment size.  Outbound - For messages being send utilizing our Ou...
Thu, 5 Feb, 2015 at 4:36 PM
Setting Destination Server, Priority and Ports - Multiple Inbound Delivery Ports Supported
The default port for inbound SMTP is port 25. However your Internet Service Provider (ISP) may be blocking inbound SMTP on that port.  The E...
Mon, 19 Sep, 2016 at 7:06 PM
Email Filter Rule Examples
The article applies to: Email Filtering Gateway Email Forwarding MX Backup If for any reason you would like to modify the filtering rules, w...
Thu, 16 Mar, 2017 at 5:17 AM
type=AAAA: Host not found
If you are getting an error that says -  Remote Server returned '< #5.4.4 X-Postfix; Host or domain name not found. Name service error for nam...
Sat, 14 Feb, 2015 at 12:15 AM
What headers are added to the mail messages?
For inbound customers including Gateway, Forwarding and Filtering the headers are: X-SMX-Version: 2.4.3(14313) on efilter1.ore.mailhop.org X-SMX-ID:...
Wed, 18 Feb, 2015 at 7:28 PM
452 4.3.1 Insufficient system resources
A very common issue with Exchange Servers is the reporting of Insufficient system resources. Most of the time when an IT person is looking at the server the...
Thu, 19 Oct, 2017 at 1:11 PM
What to do if your filters don't work
Filtering out email by sender can be complicated, what at first looks like a simple process of adding the senders From address in the filter can actually be...
Fri, 22 May, 2015 at 2:55 AM
Spam Filtering Levels
Spam is an ever evolving and multi-faceted problem. At the most basic level, we take a look at the content of the message and the reputation of the sender. ...
Fri, 3 Feb, 2017 at 7:04 PM