How do you deploy signatures for Send As and Send On Behalf?

In static environments, this is usually straightforward. But in dynamic organizations, it can quickly become a challenge.

2026-02-11

In small and static environments, signatures for "Send As" and "Send on Behalf Of" are usually straightforward. However, in dynamic environments, this can quickly become a challenge: delegation scenarios change frequently, especially when users grant temporary permissions during holiday or sick leave.

The combination of Export-RecipientPermissions and Set-OutlookSignatures automates the process:

  • Export-RecipientPermissions documents and compares mailbox permissions. You can automatically notify users about the permissions they have granted or received.
  • Set-OutlookSignatures can use this data via the parameter "VirtualMailboxConfigFile". This allows users to receive signatures for authorised mailboxes even if they have not added them as mailboxes in Outlook. Of course, the signatures are also removed again when authorisation is no longer granted.

The result is fully automated, up-to-date signatures that adapt to actual usage. No manual tracking, no outdated configurations.

🔗Turn every small email moment into a professional advantage

Email signatures and out-of-office replies may seem minor, but think about how often people see them.

We help organizations centrally manage and standardize these touchpoints across all users — unified Outlook branding everywhere, with zero external data exposure. No manual effort, no inconsistencies, no data leaving your environment. With Set-OutlookSignatures, every email becomes a consistent, secure, and fully controlled brand experience.

👉 See what’s possible for your email setup
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A simple business case shows why Set-OutlookSignatures with the Benefactor Circle add-on pays off from day one.

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🔗 Flexible Permissions Management: Mastering Email Signatures for Delegates and Cover Configurations

From executive assistants and holiday cover to team mailboxes: How to cleanly separate delegate signatures—and distribute them fully automatically based on real permissions without manual overhead.

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🔗 Set-OutlookSignatures v4.30.0: Powerful Outlook Add-in Launch Events & Smarter Deployments

Explore Set-OutlookSignatures v4.30.0 featuring new Outlook add-in launch events (OnMessageSend, SensitivityLabelChanged), manifest validation, and important PowerShell fixes.