Based on our record, SendPortal seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I’ve been using SendPortal (SendPortal) for a month now, paired with my self hosted email server (mailinabox) and no issues so far. Source: about 2 years ago
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