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MailEnable includes powerful filtering and anti-spam features to help
keep your inbox free from junk mail.
Bayesian Filtering
Bayesian filtering is a method of
spam prevention. It operates by rating the probability of
incoming mail being spam by looking at words or character
strings contained in the email as well as the entire context
of the email. Bayesian filters can be 'trained' to identify spam by
building up libraries of 'good' and 'bad' mail (spam).
There is also the ability to "auto-train" the Bayesian dictionary. This means the
filter is continually improving by 'learning' to identify
spam and good mail based on emails that are passing through the server.
Message Filtering
Use message filters to search messages for words or
phrases and delete or quarantine them before they are
delivered to the user. Mark messages as spam so that they are
placed directly into the recipients Junk Mail folder.
Filters can also be configured to move or delete
messages based on content and much more. More information
Relay Control
Without relay control, spammers can
utilise your server in order to send out their junk
mail, making it look as though you were the origin of
spam. MailEnable has inbuilt relay control that prevents
your server being used as a relay for spam.
Reverse DNS
Blacklisting
Reverse DNS Blacklisting allows you to validate those sending mail against a list of potential spammers. You can select which Real Time Blacklists
(RBL's) providers you want to use. You should enable only the providers that you need, as
this does impact on performance. You should also review which providers are most appropriate by reviewing their web sites.
Sender Policy Framework (SPF)
Sender Policy Framework (SPF) prevents the 'spoofing' or forging of mail addresses and makes it easier to identify spam, worms and
trojans.
SPF requires a DNS record to specify which machines are authorized to transmit mail for that particular domain. Therefore the mail server receiving mail can determine whether a message came from a domain other than the one claimed by the sender.
Greylisting
Greylisting helps reduce spam by delaying messages for a short period of time when the sender is not someone who has recently sent to
that destination. A large percentage of spammers do not retry sending a delayed message, but normal mail servers will, so the message will come through on the
next attempt.
URL Blacklist Content Filtering
The MailEnable SMTP Connector scans the content of messages as they are received and
can identify whether the contents of the messages contain offensive URLs by looking up their IP address against DNS blacklist providers.
Compatible with 3rd party spam filtering
MailEnable can also work in conjunction with various third
party anti-spam applications. More
information
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