Every Exclaimer renewal I thought "I could build this". So, I did, and it got out of hand. It's now Sigil.
Best bit: it checks each signature actually applied and rolls a bad change back itself.
blog.tophhie.cloud/posts/why-i-buil…
#buildinpublic #m365
blog.tophhie.cloud
Why I built Sigil, and why it checks its own work
Email signatures tend to be the bit of Microsoft 365 nobody checks