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i think cold emails is a good usecase, with gmail if send 100s of email at a time or have bounce rate more than 5% you will get blocked so SMTP's can be really helpful

this is the Version 1 i have a lot planned to be added and improve

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If you have a 5% bounce rate or more, you're already doing something wrong - i.e. your emailing addresses no longer existing. Make sure you have permission to email a recipient.

No offense but this is a very naive perspective on certain types of emails. For example for one-on-one cold sales emails you don't need their permission to email them. And there is an entire industry built around that.

> For example for one-on-one cold sales emails you don't need their permission to email them.

That depends on where the recpient resides. In the US maybe. Other countries have different rules and regulations.

That was my point. Your blanket statement of "Make sure you have permission to email a recipient." was not correct in all cases

true

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