Microsoft will only provide this additional spam filtering option in its own cloud environment.
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Free Trial Cost, Usability, and Cloud Deployment Options for an O365 Spam FilterĪnother problem for many organizations, especially Managed Service Providers (MSPs), is the lack of flexibility with the EOP spam filter for Office 365. Want to learn more about SpamTitan & how it is the perfect choice for Office 365 spam filtering? Sign up for a FREE TRIAL. During that time, organizations are vulnerable. There is a time lag between a new campaign being launched and the emails being added to Blackhole lists. EOP will only quarantine spam emails that have been added to Global Blackhole Lists. This additional check is important for preventing new spam email campaigns from being delivered to end users.
The delay in resending emails is a good indicator that the message is spam. Genuine emails are usually resent quickly, but email servers used by spammers are often too busy to respond to these messages promptly. Greylisting involves sending a message back to the mail server used to deliver messages along with a request to resend the email. This additional control greatly improves detection rates for spam email. However, some third-party antispam solutions also use greylisting to check the authenticity of incoming email messages. Office 365 spam filtering using Microsoft’s EOP will allow administrators to conduct real-time scans for spam email against Global Blackhole Lists: An important mechanism for preventing the delivery of spam emails to end users. Improving the Spam Filter for Office 365 with a Third Party Anti-Spam Solution Like SpamTitanĪt first glance, there are a number of similarities between Microsoft’s ATP/EOP anti-spam mechanisms and those used by third party email filtering solution providers but, crucially, there are some important differences. A third-party solution is a better choice than using Microsoft’s Exchange Online Protection (EOP) and Advanced Threat Protection (ATP), which are available to Office 365 users.
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Fortunately, there is an alternative to tweaking the spam filter for Office 365, and that is to install a third-party spam filtering solution to augment spam filtering for Office 365. It is possible to improve spam filtering for Office 365 by tweaking the settings, although email administrators in large organizations are likely to find creating block lists and safe lists – and keeping those lists up to date – an incredibly time-consuming task. By adding these new protocols, you should be able to configure the spam filter for Office 365 to block spam email more aggressively. By setting transport rules it is possible to alter Spam Confidence Levels (SCLs) and set up different protocols to manage Domain-based Message Authentication, Reporting, and Conformance (DMARC), Domain Keys Identified Mail (DKIM), and the Sender Policy Framework (SPF). Standard O365 spam filter settings may not be sufficiently aggressive. However, if spam email volume is not significantly reduced it may be necessary to set up transport rules. If you are unhappy with the current performance of Office 365, it may be possible to alter the Office 365 spam filtering parameters or make changes to the connection filtering settings. There are several options for improving the email spam filter for Office 365 to block more spam email and prevent email-borne threats from reaching the inboxes of your end users. Read our brand new 2021 free report on overcoming the Email Security Weaknesses in Office 365. System Administrators implementing Office 365 need to make sure it’s secure by layering in a dedicated secure messaging and spam filtering solution like SpamTitan to protect against advanced persistent threats. To protect against advanced threats you need advanced protection. However, the research found it to be less effective against unknown or new malware delivered by email. Recent research by Osterman identifies that Microsoft’s EOP can detect 100% of all known viruses with updates every 15 minutes.
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