Has anyone else used UUCP on the go?

Hey all, I wanted to know if anyone else has this use case that I used UUCP for.
For a while I had a WWAN card in one of my ThinkPads, and so I was able to have internet on the go (but not all the time due to poor service). On said ThinkPad, I had installed Postfix and UUCP to run a local mail server, which would then go out to a cheap $5 Contabo VPS I rented, which would DKIM sign the email and then send it out (also worked inbound too of course).
I'm curious as to if anyone else used UUCP for this purpose. I like the delay-tolerant networking and the polling style, because it means that not everyone has to have a well-known address or always-online machine, only the gateway does.
Basically: It was perfect for my setup.
I haven't touched the laptop that it was set up on in a while. (I only had a few trivial things connected to the emails under its domain.)
That's why I used past tense.
Anyways, I'm curious to see what uses anyone else has used for UUCP on their own machines.
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Molly A. McCollum
mam@SDF.org