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A comment on Maddy: Composable all-in-one mail server in Go. Parent comment

Re:Maddy: Composable all-in-one mail server in Go by mtlynch on Saturday November 21, 2020 @09:45PM (#25174478)
Most people don't realize, but you can actually send email from a custom domain with a free Gmail account.[0] You have to go through a 5-minute process for each sender address, but I used it fine for ~10 years.

I recently switched to Fastmail, and one of the features I like about them is that they support wildcard sender aliases, so if I sign up for a service with [email protected], when I hit reply to any emails to that address, it automatically sends from [email protected] even though I've never specifically registered that identity with Fastmail.

[0] https://thedigitalnonprofit.com/use-gmail-own-domain-free/

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Re:Maddy: Composable all-in-one mail server in Go by xyzzy_plugh on Saturday November 21, 2020 @10:49PM (#25174793)
This is not the same thing. I agree with the link, in that it is most definitely a hack. This only works because your domain registrar is handling email for you to begin with, which is undesirable for many reasons.

Also, while aliases in gmail work generally, I find they leak the main gmail account address, which makes them significantly less desirable.

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Re:Maddy: Composable all-in-one mail server in Go by aarchi on Saturday November 21, 2020 @11:01PM (#25174828)
Why do you say that it's undesirable for your registrar to handle mail? I've considered using Gandi's mail with my domains.
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Re:Maddy: Composable all-in-one mail server in Go by t0astbread on Sunday November 22, 2020 @06:54AM (#25176758)
It depends on your threat model how undesirable it is but essentially you're adding a permanent MITM to your email.
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Re:Maddy: Composable all-in-one mail server in Go by OJFord on Sunday November 22, 2020 @03:47AM (#25175985)
Not GP but that's a coupling I don't want - I want to be able to change registrar without worrying about email.
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