How to set user/password to read emails for Nintex LazyApproval [closed]

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I am trying to setup Nintex LazyApproval and confused about one thing. When I go to Central Admin I can enable LazyApproval and there it is asking to write an email where they will be sent. I am confused as to how it will be able to read those emails without asking for user/password? There is no option to set user/password to read this email so how Nintex will be able to read them?

Following is the screenshot of Incoming Mail feature in SharePoint 2016. I have set enabled to "Yes".

"Automatic" settings mode is disabled for some reason. In "Directory Management Service" I have selected "No" because I don't need it (I assume it will work even if I set it to No right?)

I have defined email drop folder.

Now If I simply ask infrastructure guy to create one email account in Exchange for e.g. "SharePoint@mycompany.com" and define this email in LazyApproval setting, will it work?

Answer 1

Note in advance: Nintex Lazy Approval depends on the SharePoint Incoming E-Mail feature, so I'd vote to leave this question open and not to close it as off-topic because of Nintex.

For incoming E-Mail, a subdomain of your existing E-Mail domain will be configured. If your maildomain is @mycompany.com, you could use @sharepoint.mycompany.com for incoming E-Mail. All E-Mails for this subdomain will first be accepted by your Exchange-Server and blindly forwarded to SharePoint which is responsible for further processing. More info on planning Incoming E-Mail. For Implementation, follow this very good step-by-step-guide - it's for 2010, but still applies for 2013&2016.

If you want to use company's maildomain (@mycompany.com), configuration is much more work. I'll describe one possible scenario, even if there are more:

• Create a Mailbox enabled User or Contact in AD&Exchange
• Give it the address which you want to use in Nintex Lazy Approval or in your SharePoint library (e.g. lazyapproval@mycompany.com).
• Forward this mail to lazyapproval@sharepoint.mycompany.com
• Mail-processing on SharePoint is done like described in the above HowTo
• The biggest disadvantage here is the fact, that you have to configure each Mailaddress manually. In the above mentioned variant with a subdomain, this is simply done in the SharePoint GUi - no mailbox configuration required.