Cloud Exchangers

Exchange Office365

Block domain extensions using Transport rules

ByKingson Jebaraj

Jan 4, 2016 #Exchange, #Office365

spam-count

Sometimes organization prefer to block (or) mark as spam Emails coming from .EU or .ME domains, Below are the steps to block any domains based on domain extensions. Example : doing this would block any mails coming from [email protected], [email protected] etc…

  1. Access Exchange admin center.
  2. Navigate to mail flow > rules.
  3. Click the plus icon to create a new rule.
  4. In the pop up window, click More options.
  5. Configure the rule according to the screenshot:
  7. Save.

.eu$ is a RegEx pattern which matches with [email protected], [email protected].. etc..

By Kingson Jebaraj

Microsoft MVP, Blogger, Owner and Publisher for Cloudexchangers.com, Microsoft TechNet Author, Solution Architect, Former Office365 Technical Lead for Microsoft(Partner) Extensive knowledge and experience in Microsoft Exchange and Cloud Messaging Services and has got more exposure on Messaging environment deployment,migration,designing and other project management activities, I have earned real time experience in handling multi-site distributed critical large environment of messaging system. Been awarded as an MVP (Microsoft Most Valuable Professional) for Office Servers and services from Microsoft for an exceptional real world contribution made through Microsoft forums and other Microsoft communities. Currently working as “Solution Architect” on Private/Public cloud and SaaS environment for Pacific Controls, UAE, Dubai. One of the largest TIER III certified green data center campus in the middle east.

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