Field

Description

Action

Actions specify the particular action that will be taken when the filter returns a positive result based on the condition of the message content.

1. Reject

Rejects the message so the message will not be received and all following filters will not be processed.

2. Accept

This action clears the spam flag and immediately accepts the message and all following filters will not be processed. It is a white listing action.

3. Delete

The delete action is something between the Reject and Accept. It does not accept and deliver the message but also does not reject it. It accepts the message but does not return any false response and does not deliver it.

4. Mark as spam

This action sets the Spam flag of the message so it will be processed according to the Instant Anti Spam settings of the user.

5. Forward

In such case, user has to fill also an Address option by email account to which the message should be sent and choose the type of message - whether email message or a message to IM.

6. Notify

This is similar as the Forward action but you can specify different content of sent message. You can even use variables in the message.

Fill complete message with headers to the Message text area. Additionally, you do not have to specify some specific format in Message text area. Only a text of message which should be sent.

It should look like this:

From: sender@domain.com

To: recipient@anydomain.com

Subject: Some Subject

[blank line]

Text of Message Body

Item

The item field specifies what type of the message should be checked. It can be the headers, body, attachments or even the sender and recipient.

All

It is like all the items are checked.

Any header

All headers of the message will be searched for the string below.

Specified Header

The header item specifies a message header condition. The first string you should specify is the header name including the colon and then the string condition itself.

Body

Checks the whole body for some content.

Attachment name contains

A condition for attachment names. Most likely you will use only the file types here.

Size Greater

This condition is true if a message size is greater than a number (kB) in String field.

Size Lower

This condition is true if a message size is lower than a number (kB) in String field.

Email is Spam

A condition which is true if a message was recognizes as Spam by Merak Instant AntiSpam engine.

IP Address

The IP address item lets you check the IP address of the originating server the message was sent from.

SMTP Sender

Lets you check the envelope sender of the message.

SMTP Recipient

Lets you check the envelope recipient of the message.

rDNS

Makes sure the originating mail server has the PTR record.

IP / Sender / Recipient

A special condition item which includes all the sender's email, domain and IP address.

Function

The function specifies what string function should be called against the item from the message.

Contains string

The item is checked for the list of strings separated with semicolon.

Regex

The item is checked using the regular expression. See the RegEx tutorial.

Starts with

The string starts with the following text.

Ends with

The string ends with the following text.

Is string

A complete string comparison

Contains list from file

The same as Contains string except the strings are located in a text. In this case the String field contains the path to the filename.

NOT

Negates the function result.

String

Specifies the particular string to be checked using the function above.

Case sensitive

Specifies whether the string case should be considered or not.

Condition

Allows you to define more conditions for one filter item. Maximum number of conditions per filter is three.