Forum Discussion
EntilZha
Jan 23, 2023Iron Contributor
Block Url Link in Message Body Before Message Delivery
Hello Everyone,
I'm looking for a way to prevent a user from preforming any action on block a Url within an email before the email is delivered to a user's mailbox. The block could be a disabling the hyper link or clicking the link will get a Defender Block page that doesn't display the Url.
Currently we're using the Tenant block list to block Url, but this cause the email to get sent to the Quarantine Folder and we want the link to be block and the email still get delivered to the user.
We have A5 license and I know this give us a lot options, hopefully this is one scenarios the A5 license will allow us to implement.
Thank You,
-Larry
Agree with Dan_Snape - Safe Links is probably the best option although I'm not sure it's going to fit your particular use case; if MS deems the link safe (as in it has good reputation, doesn't have Malware or actually appear dodgy) but you don't want users to go to the URL for other business reasons, then it won't actually block the link. Other solutions approach that if an email contains the specific url the email is either sent to quarantine or otherwise held for review.
Unless I've completely misunderstood your requirements my recommendation is that if you don't want your users to go to a specific URL is to use a web filtering solution to stop users from being able to go to the link that way rather than try to change the email itself.
It's also possible that a 3rd party mail filter solution might be able to do this, but off the top of my head I'm not sure if any of them do.
- Dan_SnapeSteel ContributorI'm not sure it's possible with the current Exchange Online. I would recommend you investigate safe links though (Defender for Office 365). With this Microsoft detonate the URL in a sandbox and confirm that it's not malicious, as well as having a list of known malicious URL's that will be blocked. This is probably a better solution that allows users to receive emails, but protects them from malicious URLs
- HidMovSteel Contributor
Agree with Dan_Snape - Safe Links is probably the best option although I'm not sure it's going to fit your particular use case; if MS deems the link safe (as in it has good reputation, doesn't have Malware or actually appear dodgy) but you don't want users to go to the URL for other business reasons, then it won't actually block the link. Other solutions approach that if an email contains the specific url the email is either sent to quarantine or otherwise held for review.
Unless I've completely misunderstood your requirements my recommendation is that if you don't want your users to go to a specific URL is to use a web filtering solution to stop users from being able to go to the link that way rather than try to change the email itself.
It's also possible that a 3rd party mail filter solution might be able to do this, but off the top of my head I'm not sure if any of them do.
- EntilZhaIron ContributorThank You, I was considering using web filtering as an option to block the Url, but had to see if there was other options available web filtering.
Plan to test in Dev Tenant...
Thank You Again.
-Larry