James B. Byrne
2015-Aug-20 18:55 UTC
[CentOS] TLS for all CentOS websites but not for smtp?
On Wed, August 19, 2015 12:24, Kai Bojens wrote:> On 19-08-15 08:30:27, Alice Wonder wrote: > >> e-mail by its very design is not secure, SMTP creates "Man In The >> Middle" at every server along the way. > > DANE exists and mail servers like postfix support this. My logfiles > show me that mail.centos.org delivers straight to me without any > servers along the way. > >> I'm not saying they shouldn't implement TLS on the list server, just >> not sure what the privacy or security benefit really would be. > > Encryption ensures that third parties simply cannot follow their > "collect all" strategy.However, this is a mailing list. And all messages sent through this mailing list are archived and published as web documents. It seems to me that insofar as Centos ML comsec is concerned STARTTLS would not add any measurable degree of security or privacy. -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail James B. Byrne mailto:ByrneJB at Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3
On 08/20/2015 11:55 AM, James B. Byrne wrote:> > On Wed, August 19, 2015 12:24, Kai Bojens wrote: >> On 19-08-15 08:30:27, Alice Wonder wrote: >> >>> e-mail by its very design is not secure, SMTP creates "Man In The >>> Middle" at every server along the way. >> >> DANE exists and mail servers like postfix support this. My logfiles >> show me that mail.centos.org delivers straight to me without any >> servers along the way. >> >>> I'm not saying they shouldn't implement TLS on the list server, just >>> not sure what the privacy or security benefit really would be. >> >> Encryption ensures that third parties simply cannot follow their >> "collect all" strategy. > > However, this is a mailing list. And all messages sent through this > mailing list are archived and published as web documents. It seems to > me that insofar as Centos ML comsec is concerned STARTTLS would not > add any measurable degree of security or privacy. > >But there is a fair point that most archives of mailing lists on the web make some attempt to hide the e-mail addresses from spambots.