Anti Spam Exchange 2016

In comparison to other free anti spam measures Microsoft’s anti spam Exchange 2016 features that come free with the service are reasonably acceptable.

The include:

Real-time block directories
Recipient Verification Processes
Sender Policy Blueprints
Bayesian reviews (the “Content Filter” agent) that score Spam Confidence Levels

However, despite these provisions spam emails still arrive in user inboxes on Exchange 2016. This is typically blamed on spammers improving and fine tuning their tactics. Another way of looking at it is that the free solutions that are provided with this service are simply insufficient at tackling the campaigns of cybercriminals.

There are three main parts to the out of the box anti spam measures that come with Microsoft Exchange 2016 spam filter; the Connection Filtering agent, Recipient Filter agent, and Sender Filter agent. These are set to stop, quarantine or approve the arrival of an email. Configuration is quite cumbersome and difficult to administer. Due to this difficult nature of setting up the controls it is quite probable that you will end up being too lenient or too strict in relation to your measure.

If you invest in the third party solution you are likely to increase your spam detection levels from 97% to 100% This may not seem like a huge jump but if you consider that a company which receives 1,000 emails per day will be receiving 30 spam email pers day that are likely to help accessing your network then you can really appreciate the difference between the two.

You need a solution that includes Greylisting. This is an anti spam tactic that involves returning all inbound emails to the server that they were issued from with a request for the email to be sent once more. Practically all genuine emails are sent again in a matter of minutes while spam emails, coming from busy servers sharing millions of email, are not sent as the re-send request has not been seen.

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At best, Microsoft is boasting a 99% detection rate, this still represents 10 emails breaching your defence if your group registers 1,000 emails per day. Greylisting has been verified with spam detection rates as high as 99.97% even at times the Spam Confidence Levels have been made as lenient as possible in order to stop false positives from occurring.

Addressing your cybersecurity worries with greylisting will result in a massive drop in in spam email and, i turn, lower annoyance and management levels to deal with with it comes to addressing spam emails. There is far less risk of a phishing attack being successful and gaining access to your network.

You will be given the voice of implementing Greylisting as an optional extra and you should do this as soon as you are. It will bolster your defences and see to it that you are not infiltrated, suffer no down time and do not miss out on potentially urgent business emails.