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Definition
💡 Email delegation: giving someone else permission to read, send, or manage your email without handing over your password. It's a common move for executives and assistants, though plenty of regular teams use it too.
Why email delegation is important for businesses
Tuesday morning, and an executive's inbox already has 40 unread messages before nine. Should they really be the one triaging every single one themselves? That's the exact problem delegation solves.
Handing someone your actual password feels like the obvious shortcut, but it's a bad one. They get everything, your other logins if you reuse passwords, your full account settings, with no record of what they did versus what you did. Delegation is the boring, correct version of the same idea. Gmail caps personal accounts at 10 delegates, and each one can read, send, and delete mail on your behalf, but they can't touch your password or your Google Account settings.
Email clients like Spark build a version of this for teams: assign an email to a teammate, set a deadline, and get notified once it's handled. It's delegation with a paper trail, which matters more than people expect until someone asks "wait, who was supposed to answer this?"
Who uses this? Executives leaning on an assistant, obviously. But also small teams covering for someone out sick, or a busy professional keeping external communication moving without living in their inbox all day.
How delegation actually works
You've got a few flavors here, and they're not identical.
Read and reply access is the most common setup: your delegate sees incoming mail and responds on your behalf, and recipients typically see whose account actually sent it.
Permission-tiered access goes further. Outlook, for one, offers three levels: Reviewer (read-only), Author (read, plus create their own items), and Editor (all of that, plus edit what you created too).
Assignment-based delegation, Spark's approach, skips broad account access entirely. Instead of opening your whole inbox, you assign individual emails to a teammate, one at a time. Less powerful in one sense. Way more precise in another, since nobody ends up with access to messages that were never theirs to handle.
Full mailbox delegation is faster to set up. Per-message assignment is safer when you only want to hand off specific things.
Setting up email delegation
The setup looks different everywhere, and a couple of these require more than just clicking a button in your own settings.
In Gmail:
- Open Gmail on a computer (delegates can't be added from the app), go to Settings, then See all settings
- Open the Accounts and Import tab, and under "Grant access to your account," click Add another account
- Enter your delegate's email and send the invite. But note it can take up to 24 hours to activate, and the invite expires after a week if it's not answered
In Outlook (new Outlook, work or school account):
- Go to Calendar, then select Share Calendar from the Home tab
- Enter the person's name, then choose Delegate from the access dropdown
- Pick whether they can see private events or manage categories, then select Share
- Choose whether invitation responses go to you, your delegate, or both
In Spark:
- Set up a team under Spark's Team section in Preferences
- After this, open your Inbox > any email > hit Assign
- You need Spark installed on their device with their email address added to see the delegated email under the Assigned to Me section.
Spark's approach means there's no waiting period and no account-wide access to manage.
How to delegate email efficiently
Grant the minimum access that actually gets the job done. Full inbox access for someone who only needs to handle one project is more exposure than you need.
Set expectations up front. A delegate replying "on behalf of" someone should know the tone and boundaries before the first message goes out, not after a client gets a reply that sounds off.
Review who has access every few months. People change roles. Access that made sense in January can be a liability by summer.
Keep a record of what's delegated. Spark's assignment tracking exists for exactly this. Without it, "who's handling this" becomes a question nobody can answer fast.
Revoke access the same day someone leaves. Gmail and Outlook both make this quick. There's no good reason to leave it for later.