Manual address blacklist

This screen enables you to set up a list of sender addresses which you wish to blacklist. Any addresses sent from these addresses will be silently discarded.


Manual Address Blacklist

No block actions defined at the current time
Block:

If you have blocks in place that have been created either using the Webmail system or using the standard configuration options from the menu interface on __SERVICE__ then when you enter this screen they will be listed, as in the example below.


Automatic Mail Filtering

  1. BLOCK: Blocking all messages from "spammer" at "spamdomain.com". Remove this block.
  2. BLOCK: Blocking all messages from "noone" at "nowhere.com". Remove this block.
Block:

If you have filters created using the advanced configuration option from the menu interface on __SERVICE__ then your filters should continue to be maintained in that way. Consequently the screen will not display the list of existing filters. Instead the following message will be shown:

Error: Manually maintained .forward file?

Adding a filter

Entering the address

Blocks are on the envelope sender address (a copy of which appears in the message as a header "Return-Path") address rather than the more obvious "From:". These two headers frequently have the same value, however this is rarely the case with junk email. Mailing lists often alter the Return-Path address to something that is specific to the list. You can find the "Return-Path:" for a particular message by using Show Hdrs on the message display screen.

The following wildcards can be used:-

'?' matches a single character
'*' matches any number of characters

Hence the following are all valid entries:-

spammer@spamdomain.com
*@jiscmail.ac.uk
?art?

If an invalid address is been provided the status message will provide information. For example if you enter just Spammer will result in the status line entry

Status: Invalid filter: Not a valid __SERVICE__ account and no domain provided

and the invalid entry will be cleared from the entry field.

The effect of the Add filter button

When you select the Add filter button, the status message will change to

Status: Added BLOCK filter

and the list will be updated to display the new block.

Removing a block

To remove a block simply select the link Remove this block by the relevant filter. The status message will change to show which filter was removed, for example

Status: Removed block number: 1

and the block list will be updated on screen.