In the current article, we will review how to enforce an E-mail attachment policy by using Exchange Online transport rule. The example that we will review in the current article is – an E-mail attachment policy, that stop E-mail messages that include an attachment with a specific file extension. Manage E-mail attachment policy in Office…
In the current article, we will review how to enforce an E-mail attachment policy by using Exchange Online transport rule.The examples that we will review in the current article are as follows: E-mail attachment policy that stops E-mail messages, that include a password-protected attachment. Each E-mail message that has this type of attachment will be…
The subject of E-mail Message attachment manifests itself in two main scenarios: Malware scenario – a scenario that relates to an event, in which hostile element attached some malware to an E-mail message, send the E-mail message to one of our organization recipients, the recipient opens the E-mail message and “excite” the malware file. Company…
In the following article, I would like to review the subject Exchange on-Premise server, mail relay, authentication and an anonymous session (un-authenticated session). The main reason for writing this article is to try to clarify some of the miss concepts and the confusing terms that used regarding this subject. For example: The term mail relay…
The option of “Extended Message Trace” is a very interesting feature of Exchange Online but, the strange thing is that this option is almost never mentioned in any Microsoft formal article and, in addition, the current Exchange Online message trace management interface doesn’t include any Hint about how to “activate” the option of Exchange Online…
Office 365 users report that he cannot connect to his Exchange Online mailbox by using a mobile device. This scenario can be relevant to ” new Office 365 users” or to the existing Office 365 users that manage to connect to his Exchange Online mailbox using a mobile device, but now he cannot connect. The…
In the current article, we will complete the last step in which we create the required Exchange Online transport rule that will implement the concept of the “catch all mailbox.” Just a quick reminder – in the former article, we have created a dynamic distribution group named – “All of Office 365 recipients” that include…
The request for “catch all mailbox” feature is very popular among Office 365 customer’s.The term “catch all mailbox“, define a concept of mail services, in which a dedicated mailbox is designated as a special mailbox that will “accept” all the E-mail messages that was sent to “non-existing organization recipients”. The “business need” is the avoid…
In the current article, we will review three subjects that relate to mailing flow scenario that based on TLS communication. Verify mail server TLS configuration In a scenario in which we create all the required TLS configurations, but for some reason, the mail communication failed. We need to be able to understand what is the…
In the current article, we will review the option implementing the option of Force TLS using Exchange Transport rule & Conditional Mail Routing. The option of Conditional Mail Routing implemented by combining two different Exchange Online components: Exchange Online transport Exchange Online mail connector Versus the former implementation of Force TLS by using “simple Exchange…
In the current article and the next article, we will review a very interesting feature that exists in Exchange Online server and Exchange 2013 on-Premises, which enable us to “activate” the option of Force TLS option using an Exchange Online Transport rule The use of Transport rule for implementing the option of Force TLS comes…
In the current article, we will review the required configuration settings for implementing Force TLS in Exchange on-Premises based environment. In our specific scenario, we need to configure the Force TLS option for the “incoming mail flow”. The meaning is – mail that sent from external mail server to the Exchange on-Premises server that represents…
