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With the
amount of spam online today, helping keep our customer’s email
inbox free of “spam” is one of our top priorities; that is
why all of Southern Web Host's Hosting Plans include
SpamAssassin ™ absolutely free.
SpamAssassin™ is a mail filter that identifies spam. Using its
rule base, SpamAssassin™ uses a wide range of heuristic tests
on mail headers and body text to identify "spam", also known
as unsolicited commercial email.
The
spam-identification methods that SpamAssassin ™ utilizes
includes:
· *Header Analysis: Spammers use a number of tricks to
mask their identities, and to fool you into thinking they've
sent a valid e-mail, or fool you into thinking you must have
subscribed at some stage. SpamAssassin tries to spot these.
· *Text Analysis: Again, spam mails often have a
characteristic style (to put it politely), and some
characteristic disclaimers and CYA text. SpamAssassin can spot
these, too.
· *Blacklists: SpamAssassin supports many useful
existing blacklists, such as
mail-abuse.com,
ordb.org or others.
· Razor:
Vipul's Razor is a collaborative spam-tracking database,
which works by taking a signature of spam messages. Since spam
typically operates by sending an identical message to hundreds
of people, Razor short-circuits this by allowing the first
person to receive a spam to add it to the database -- at which
point everyone else will automatically block it.
Once
identified, the mail can then be optionally tagged as spam for
later filtering using the user's own mail user-agent
application.
SpamAssassin requires very little configuration; you do not
need to continually update it with details of your mail
accounts, mailing list memberships, etc. It accomplishes
filtering without this knowledge, as much as possible.
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