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Chapter 5 Page 131
Defining filter strings
E-mail items are filtered based on the information contained in their
To:, From:, and Subj: fields. The information that defines what your
companion is looking for is called a filter string. You create a filter
string by listing the words you want your companion to find and
separating them with either a comma or a space. Each word in the
filter string is joined by an implicit OR, so you do not need to enter
logical connectors like AND or OR.
To create a more complex filter, you can define filter strings for the To:,
From:, and Subj: fields simultaneously. Your companion joins the
filter strings for these fields using an implicit AND; once again, you do
not need to add the logical connector. Your companion does that for
you.
For example, suppose you want to receive only e-mail items from John
Smith (jsmith@aol.com) or Jack Jones (jjones@aol.com) concerning the
Apollo Project. You would create the following filter strings:
In the To: field: jsmith@aol.com, jjones@aol.com
In the Subj: field: Apollo Project
Your companion interprets this as, “Accept e-mail items about the
Apollo Project from John Smith or Jack Jones. Do not accept e-mail
items from other people. Do not accept e-mail items from John or Jack
about any other subject.”
When you define a string, note that your companion searches for any
instance of that sequence of characters. For example, if you create a
filter that retrieves only e-mail items containing the string “info,” your
companion considers “info,” “rainforest” and “kinfolk” appropriate
matches.
Retrieve
Only Msgs
Containing
Tells your companion to include only the
e-mail items that meet the criteria you
define and to ignore all other e-mail items
during synchronization. This filter has the
potential to block more e-mail during
synchronization because it downloads only
one subset of e-mail.