Filter Criteria for Header and Envelope Lines

Here, set filter criteria to check the headers of a mail.

First choose one or more header or envelope fields to check from the list. If the desired fields are not in the list, enter them in the text field separated by spaces. Descriptions of some important header and envelope fields are given below.

Next, select a comparison operator to apply to the header and envelope fields.

Enter the term to which to compare the header value in the text field to the far right.

To save this criterion, click OK. To exit this dialog without saving, click Back.

Some important header fields are:

From
This field contains the sender's e-mail address.
To
This field contains the e-mail addresses of the primary recipients.
Cc
This field contains the e-mail addresses that were sent a copy of this message.
Subject
Contains this message's subject line.
Sender
This field contains the e-mail address of the sender of the e-mail. The difference from the From field becomes apparent in messages from mailing lists. The From field will contain the name of the message's original author. Sender contains the administrative address of the mailing list.
Some important envelope fields are:
From
This field contains the sender's e-mail address.
To
This field contains the e-mail addresses of the primary recipients.