Pingly might be a bit more popular than Timy. We know about 1 link to it since March 2021 and only 1 link to Timy. 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 used the Timy (https://timy.website/) free tier for this in the past. The one feature that was missing though was to schedule messages to be sent at a certain time in the recipient's timezone. Unfortunately it looks like MessageThemLater doesn't support that feature either. - Source: Hacker News / about 3 years ago
If they're hitting the outbound SMTP servers, there's no way (at least that I know of) to protect the IP/servers via obfuscation with a service like Cloudflare etc. Email deliverability relies heavily on the source IP of the sending SMTP for reputation and is going to be viewable in the headers of an email. Also changing IPs isn't a small task unless you're sitting on a load of good reputation IPs that are... - Source: Hacker News / over 2 years ago
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