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ProtonMail Bridge is now open source

protonmail.com

11–20 of 26 posts

Re: ProtonMail Bridge is now open source

#12
post #3

It would be great if someone forked this to allow it to function as an XOAUTH2 IMAP proxy for other providers. This would be particularly useful with big e-mail providers (Google, Microsoft) looking at retiring password based authentication in the near future.

I've been curious about ProtonMail for a long while - my greatest hesitation is that I use multiple addresses and ProtonMail seems to be based around a single address. I'm not sure why email providers all want to charge per address - why not allow multiple addresses and charge for transit or storage? However at minimum multiple instances of this running could be a step towards multiple accounts.

Re: ProtonMail Bridge is now open source

#14
I applause ProtonMail services and initiatives, it can only be good for us.

However why did they develop anything specific? SMTP / IMAP already support secure connection (i believe). Or it could be encapsulated in a secure lower transport protocol.

Also I thought there were tons of GPG/PGP extensions for email clients already to read encrypted emails

Re: ProtonMail Bridge is now open source

#15
post #3

It would be great if someone forked this to allow it to function as an XOAUTH2 IMAP proxy for other providers. This would be particularly useful with big e-mail providers (Google, Microsoft) looking at retiring password based authentication in the near future.

I've been curious about ProtonMail for a long while - my greatest hesitation is that I use multiple addresses and ProtonMail seems to be based around a single address. I'm not sure why email providers all want to charge per address - why not allow multiple addresses and charge for transit or storage? However at minimum multiple instances of this running could be a step towards multiple accounts.

They allow multiple addresses and domains if you pay for premium, its not per address but a monthly fee which includes the functionality of handling them. Their UI is actually really friendly for multiple addresses unlike for example gmail.

Re: ProtonMail Bridge is now open source

#16
post #13

And to think I was going to cancel my subscription because the bridge wasn't open source... Not to mention that I missed the Linux support announcement: https://protonmail.com/blog/proton-bridge-linux-launch/

Great! I was using another open source bridge but it didn't support 2FA :/

Re: ProtonMail Bridge is now open source

#17
This is really cool to see.

Hopefully I can debug why the Bridge pegs two cores and writes out 10gb+ of a single log line over and over when I try to transfer one particular email through it overnight. :-)

(same thing happens in the dedicated mailbox migration program, which is probably using the same shared libraries)

Re: ProtonMail Bridge is now open source

#18
post #3

It would be great if someone forked this to allow it to function as an XOAUTH2 IMAP proxy for other providers. This would be particularly useful with big e-mail providers (Google, Microsoft) looking at retiring password based authentication in the near future.

I've been curious about ProtonMail for a long while - my greatest hesitation is that I use multiple addresses and ProtonMail seems to be based around a single address. I'm not sure why email providers all want to charge per address - why not allow multiple addresses and charge for transit or storage? However at minimum multiple instances of this running could be a step towards multiple accounts.

Why per address, you ask? My opinion on why is because it is a finite namespace, so if any single person took a disproportionate amount of names it would adversely impact others. You can approach that by assigning a cost to addresses and adjusting as necessary and/or using quotas to limit abuse/over use of the namespace. In addition, an email provider’s reputation hinges on its ability to prevent abuse on its own platform; the ability to acquire huge numbers of addresses or rapidly switch between addresses would effectively make the provider a safe haven for spammers who are difficult to block externally without blocking the whole provider.

This is mostly conjecture, though; I don’t actually know for sure how it’s viewed by providers and I also don’t have a complete view of how SPAM prevention actually works (certainly seems complicated.)

Re: ProtonMail Bridge is now open source

#19

The new book “The Infinte Game” has an idea of ‘Just Causes’, an idea that means business, organizations, or individuals have a long term and often not totally achievable goal, that is to benefit customers and society. I think that ProtonMail has the Just Cause of protecting privacy.

Or they found a good market fit with privacy conscious customers and are going all the way. Either way, it's a win for the consumer.

Re: ProtonMail Bridge is now open source

#20
post #3

It would be great if someone forked this to allow it to function as an XOAUTH2 IMAP proxy for other providers. This would be particularly useful with big e-mail providers (Google, Microsoft) looking at retiring password based authentication in the near future.

I've been curious about ProtonMail for a long while - my greatest hesitation is that I use multiple addresses and ProtonMail seems to be based around a single address. I'm not sure why email providers all want to charge per address - why not allow multiple addresses and charge for transit or storage? However at minimum multiple instances of this running could be a step towards multiple accounts.

While they do charge per address for the smallest account size, the Premium subscription includes a few for free and it's very cheap to add additional domains.

I use 6 domains with them; a few from the Premium tier and a few I added as extras. I also get my VPN through Proton and the whole thing costs less than 15USD per month.

As already mentioned in this thread, the interface to handle all this is fantastic too.

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