... think there are any limits on the platform, but service may drop just from load on their free server. I haven't experienced any issues in years of using it with groups of < 10 people. listmonk for managing an email list. This is a self-hosted option, but it's unlimited. So you can set up a tiny server on digitalocean or another cloud provider for about $5/month. Unlimited subscribers. Most newsletters I've seen charge you based ...