Just an update to add that I added an eSim to my phone from Lyca. Verification SMS messages from the websites I'm struggling with do work with that number/SIM. Looking more like an issue with SMARTY.
Hi everyone,
I use a number of services that require multi-factor authentication where a service will send an SMS message to verify identity. Until last week (May 23) I had no issues but overnight, some of these messages have stopped being delivered...