If you're talking about what I'm thinking of, disabling HTML mail (allow plain text only) should be enough to prevent this kind of exploit.
> Interest in learning more about encryption keys and utilizing encryption
for email messages and other forms of contact lead me to view discussions
regarding fairly recently revealed exploits attacking encrypted messages
tricking email clients to expose and even transmit decrypted portions of what
was meant to be hidden.
- [Trisquel-users] email client - exploits - which repo programs a... emrobin2
- Re: [Trisquel-users] email client - exploits - which repo p... mason
- Re: [Trisquel-users] email client - exploits - which repo p... emrobin2
- Re: [Trisquel-users] email client - exploits - which repo p... emrobin2
- Re: [Trisquel-users] email client - exploits - which repo p... liberpool
- Re: [Trisquel-users] email client - exploits - which repo p... emrobin2