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Emails exceeding the size of 1MB will not be classified to save
system resources. However this is not a drawback, as a SPAM
mail is usually very small.
A few headers will be added to each email examined by the SPAM mail filter. The
header "X-Spam-Status" shows the final score (hits=...) and give the name of the
matches (tests=...). This allows the recipient of the mail to check the score of any mail.
The header "X-Spam-Level" will contain one "x" per scored point (e.g. "X-Spam-Level:
xxx" for a score between 3.0 and 3.99). This header allows automatic sorting in the
user's mail client or the SX-GATE webmail client.
Most mail clients will display only the most important headers
by default. Usually the full header information is available after
selecting a specific menu option.
Tag an email as SPAM when it is scored more than
If the score exceeds the threshold for tagging an email as SPAM, the subject of the
mail is prefixed by the text "******* SPAM *******" and the SPAM score.
Deliver tagged emails to
As an option SX-GATE can deliver tagged SPAM mails into a separate SPAM folder.
This folder is accessible with SX-GATE's web mailer or via IMAP (folder Mail/SPAM).
A POP3 client will not be able to open the SPAM folder.
Delete SPAM/HAM after
Mails from the "SPAM" and "HAM" folders are automatically deleted after the given
number of days.
This feature does not depend on the previous option. Mails will
also be deleted if you create and fill the SPAM folder yourself
instead of having tagged mails automatically delivered to the
SPAM folder.
Silently discard a mail when it is scored more than
Exceeding this threshold, an email will be silently discarded. There will be no notification
and it is not possible to undelete the email. The email is lost irrecoverable! If you want to
make sure that no requested email gets lost, you should not enable this option. Activate
the threshold "Tag an email as SPAM when it is scored more than" instead and make
use of the features offered by your mail program to sort emails based on header lines.