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Spam Protection

We do a number of different levels of spam blocking before an email reaches your mailbox. For emails that get delivered, they run through a spam filter which scores the email. This score is then checked against the Spam Level Policy set for the mailbox before deciding what to do with it.

Setting your Spam Assassin Level

One of the account-level Spam detection systems we use is Spam Assassin. This scores your emails and if an email is above a certain score it is tagged as Spam. You can then set the server to move these spam messages into a junk folder.

You can change this policy to make spam detection more aggressive, just go to the webmail, at, and log in with your username and password. Now go to the settings, choose accounts and then Spam Protection.

Here you will see a drop-down menu to choose the Spam Protection level you want and a toggle switch to enable having these emails moved to the Junk folder.

Spam Levels

By default, we will see email accounts to Normal. The table below shows you the different Spam Levels you can choose. Just remember the more aggressive the spam level the higher the risk of legitimate emails being marked as spam.

Spam Level Tag Level Tag2 Level Kill Level
Normal 1 5 50
Plus 1 4 30
Enhanced 0.5 3 30
Extreme 0.5 2.5 30


Tag Level is simply a level where the email could be spam. These are not flagged as spam or moved.
Tag2 Level marks the subject line with ***SPAM*** and if the "Move spam emails to junk folder" is enabled the emails are moved.
Kill level is the points score the email needs to reach before it is simply deleted.


Remember the more aggressive the spam policy the more likely there is a false positive. Always check the Junk folder, this may be different to the Junk/Spam folder that your email application may create.


An additional measure we can enable is Greylisting, here the connecting mail server is checked against an internal database of recognised mail servers. If the sending server is not found the email is temporarily rejected. Most legitimate mail servers will try to send the email again at which point our server will accept the email. Mass mailing spam servers will often not bother retrying so this is an effective tool to reduce spam. The downside with enabling this is that it can take a few minutes longer to receive legitimate emails. Contact us if you wish to have this enabled for your mailbox.