Is there a limit to the no. of mailboxes that can be integrated with ServiceNow instance for inbound and outbound action

[Sumisha Arora]

Can we have multiple mailboxes send emails for inbound and outbound action to one ServiceNow instance? Is there a limit to how many mailboxes can be integrated with ServiceNow?

[johnfeist · Accepted solution]

Hi Sumisha,

You can have any number of mailboxes send to your ServiceNow instance.  You may need to do some configurations if those mailboxes are in different domains.  What we have done when bringing various teams onto the platform is simply change the settings on their shared mailboxes so that anything coming in is automatically redirected to ServiceNow which sees that as New in the inbound actions.  As far as I know, there is no limit to the number of senders or mailboxes for inbound since there is no real mapping inside the instance.

If you are going to be allowing email from any sender into the system, you should look into building in additional safeguards for phishing, etc.  When we needed to do that, I built an action that first looks at the incoming mailbox.  It then checks via table look up if that mailbox should be receiving email from outside of our system defined domains.  In our setup email coming in via the main address has to come from one of a small number of domains or it is rejected automatically.

I believe that there are ways to have ServiceNow send via other outboxes.  You need to be careful when setting that up because of potential spoofing issues along the way.  You should work with your email engineers to see if that is possible.

Hope that helps.

:{)

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