Linn Foster

How email signatures work in a hybrid Active Directory environment

How email signatures work in hybrid Active Directory: which attributes reach Entra ID, how the two sync engines differ, and what to verify before rollout.

Email warm-up best practices for new Microsoft 365 domains

A practical IT guide to warming up a new Microsoft 365 domain for business mail, not cold outreach: ramp schedules, limits, authentication, and monitoring.

Do email signatures affect deliverability? What IT teams need to know

Do email signatures affect deliverability? They can, through HTML weight, images, links, and deployment. Learn how to keep yours out of the spam folder.

How to manage email signature assignments at scale with PowerShell

Use PowerShell and Microsoft Graph to automate, bulk-update, and audit email signature assignments at scale by managing the directory Exclaimer reads from.

How to assign email signatures by Active Directory group

Learn how to assign email signatures by Active Directory or Entra ID group, set up dynamic membership, and keep targeting current automatically with Exclaimer.