Indeed, we do have limits for outgoing messages as as a spam prevention measure. With services like that it can be quite easy to reach those limits and get the whole account (including access to Vivaldi Social and other services) automatically blocked.
In the last couple of months we engaged with comparing around 20 international e-mail providers, based on our earlier research into comparison criteria. These efforts were part of our EPPD project ...
devSJR :python: :rstats: •
I recommend you to check if this service has a rate limit otherwise you might get blocked (temporarily) by VivaldiWebMail.
Vivaldi •
devSJR :python: :rstats: •
Some time ago (2022) the deltachat folks checked which e-mail providers work well with Delta Chat. Here are their findings:
https://delta.chat/en/2022-01-16-dapsi2blogpost
Maybe you @Vivaldi and @delta find some way to make it work for the users.
Delta Chat: Which e-mail providers work well with Delta Chat? Quite some :)
delta.chat