Can I apply a signature to an email alias with Zumpul?
At this moment you can apply the signature to the primary email address only.
How can I add a new user in Zumpul to apply a signature?
Zumpul users are based on the Google Directory in your domain, so that if you want to add a new person to set a signature, you have to create it first in your G Suite account, when the users sync you'll see the new user(s) in Zumpul and thereafter ...
Can I edit a person's profile to apply the correct details in the signature?
Yes. Zumpul has a 'People' module where you are able to find and edit a person's profile, these changes will reflect in the signature when you apply it, for detailed instructions ...
Will the signature show up on mobile devices or email clients such as Outlook or MacMail?
Zumpul works based on the Google Mail features, the regular behaviow is that when a signature is set this is not reflected on any client; to have a signature set in a client you should apply it on the client itself.
1- Zumpul G Suite Signature management Overview
ZUMPUL is a G Suite Marketplace web application that allows you to manage and standardize your company's gmail email signatures, as well as the marketing department to place advertising messages in the mail signatures.
I need to apply a signature to my IT department but a different one for my Finance department, is that possible?
Absolutely, Zumpul lets you apply a signature to the entire organization if you wish, but also you can create a template and assign it to a filtered group of people, say OU, Department, Location, etc, for more details, ...