email sender example with smtp #1
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I might be missing something but the code you wrote seems the exact same as I think the actual issue is that you just need to call |
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Indeed, but the argument for |
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Tested with a Google Workspace SMTP relay. Since that uses IP address authentication, we don't directly do smtp.Dial, since then the local name is set to localhost. Instead, we use net.Dial so we get the connection struct from which we can actually get the local address hostname and then do client.Hello to actually set it. Don't know why Go doesn't do this by default, Python worked fine and took forever to find out why Go wasn't working.
Somewhat opinionated since I assume TLS is required. I think it's best to leave that as the default. Messages are super simple, but do use the time and displayName if it is set.