MailDrop might be a bit more popular than Streak. We know about 1 link to it since March 2021 and only 1 link to Streak. 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.
If you use gmail, you can try out streak.com. It's free but you have to use the Chrome browser for it to work when you send your emails. There are paid options too like yesware and some others. Source: almost 3 years ago
I did also briefly try https://heluna.com/ as it has a pricing modal that works for my use case and it has a nicer UI than mxguarddog. However I wasn't impressed that Heluna doesn't allow for delivering email on a non standard port to my mail server and they don't specify the source IPs they use to deliver mail to me so I can lock down my perimeter firewall to just those IPs. Both of these things mxguarddog allows... Source: over 2 years ago
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