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The recipients mail server could still see the message in plaintext. |
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|
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If you are concerned your correspondent's mail server might be used to |
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try to read their messages then another layer of encryption is needed |
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that only the recipient themselves can decrypt and that would be |
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GPG/PGP. |
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|
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It depends on your particular needs whether that extra step is needed. |
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|
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-- |
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0x7D964D3361142ACF |
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|
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On Mon, Mar 28, 2016, at 13:45, covici@××××××××××.com wrote: |
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> If you have your own mta and use imap-s won't that do it? |
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> |
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> Max R.D. Parmer <maxp@××××××××.is> wrote: |
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> |
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> > Ahh, OK. So secure communications between all these clients. |
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> > |
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> > The two big players for client-side encryption for email or messaging |
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> > data would be GPG and OTR; for VoIP you would want to look into ZRTP. |
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> > There are several clients that support these three protocols on all the |
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> > platforms you've listed (though support for ZRTP is across the board |
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> > pretty rare). |
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> > |
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> > Unfortunately, I'm not aware of any single cohesive guide to tie it |
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> > altogether. |
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> > |
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> > -- |
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> > 0x7D964D3361142ACF |
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> > |
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> > On Mon, Mar 28, 2016, at 09:13, James wrote: |
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> > > Max R.D. Parmer <maxp <at> trystero.is> writes: |
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> > > |
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> > > |
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> > > |
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> > > |
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> > > > Do I understand correctly that you're looking to set up a Gentoo server |
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> > > > as a "hub" from which you can retrieve your mail using any of your |
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> > > > client systems? |
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> > > |
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> > > Not really. Yes that has to work but... What I want to read up on |
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> > > and test is encrypted (secure) communications between the (2) major |
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> > > cell phone types and whatever client on a gentoo workstation. The |
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> > > goal is good security, that is reasonable to setup and manage |
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> > > and allows folks to use any of those 3 devices to exchange encrypted |
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> > > mail. |
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> > > Suppose I had a friend that has an ios phone. What page do I send him to |
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> > > to encrypt his emails? What will work with thunderbird, sylpheed, etc. |
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> > > Some discussion, url links that I can refer others to and then |
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> > > recommendations. |
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> > > |
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> > > > If I understood correctly, interoperability should be easy because |
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> > > > mostly it comes down to IMAP/SMTP/POP3 and support for those protocols |
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> > > > is pretty good across lots of applications. But maybe I got it wrong? |
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> > > |
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> > > What I want to do is find documents that at least provide an overview |
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> > > of which specific apps to put on a cell phone (android or ios) some |
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> > > example configs and then a few docs on the gentoo side. |
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> > > |
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> > > Free or do you buys those apps from a vendor on the cell phones? |
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> > > Which ones are better, i.e. more trusted or have different algos |
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> > > for encryptions (bit-lenght etc). May, I just need to find |
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> > > a forum where this is routinely discuss to see what's new, what's |
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> > > not secure, what may be prohibited by whom, etc etc. |
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> > > |
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> > > |
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> > > OK? |
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> > > |
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> > > James |
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> > > |
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> > > |
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> > > |
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> > > |
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> > |
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> |
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> -- |
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> Your life is like a penny. You're going to lose it. The question is: |
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> How do |
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> you spend it? |
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> |
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> John Covici |
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> covici@××××××××××.com |
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> |