manual

Getting Started Guide Post-install actions  101
7.2 GFI MailEssentials Configuration
At this stage, your GFI MailEssentials anti spam system is up and
running. All inbound email will be scanned by the anti spam filters
enabled by default.
Filter
Description
Enabled
by Default
SpamRazer
An anti-spam engine that determines if an email is
spam by using email reputation, message
fingerprinting and content analysis.
Yes
Directory
Harvesting
Stops email which is randomly generated towards a
server, mostly addressed to non-existent users.
No
Phishing
Blocks emails that contain links in the message
bodies pointing to known phishing sites or if they
contain typical phishing keywords.
Yes
Sender
Policy
Framework
Stops email which is received from domains not
authorized in SPF records
No
Auto-
Whitelist
Addresses to which an email is sent to, are
automatically excluded from being blocked.
Yes
Whitelist
A custom list of safe email addresses
Yes
Email
Blocklist
A custom list of blocked email users or domains.
Yes
IP DNS
Blocklist
Checks if the email received is from senders that
are listed on a public DNS list of known spammers.
Yes
URI DNS
Blocklist
Stops emails which contain links to domains listed
on public Spam URI Blocklists
Yes
Header
checking
A module which detects spam by analyzing the
email header.
Yes
Keyword
checking
Spam messages are identified based on blocked
keywords in the email subject or body
Yes
New
Senders
Emails that have been received from senders to
whom emails have never been sent before.
No
Bayesian
analysis
An anti-spam technique where a statistical
probability index based on training from users is
used to identify spam.
No
Greylist
Identifies emails received from Non RFC compliant
mail servers such as the ones normally used by
spammers.
No
The default action taken when an email is classified as spam is
configured during the Post-install wizard. Different actions can then be
defined for each anti-spam filter.