Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-18 Thread Gary Buhrmaster
On Sun, Oct 18, 2020 at 9:32 PM Miro Hrončok wrote: > For the record: Not sure if this was fixed on server side or some polices have > changed, however I have not needed to apply the workaround, my email works out > of the box after the upgrade. You could probably use openssl connect to determin

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-18 Thread Miro Hrončok
On 01. 10. 20 7:50, Lumír Balhar wrote: Hello. I've upgraded to Fedora 33 beta and I've discovered a problem with Thunderbird. All email accounts work well except the Red Hat one with mail.corp.redhat.com as an IMAP server (I use Zimbra servers not Gmail). The problem is that Thunderbird doe

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-02 Thread Robert Relyea
On 10/1/20 11:05 AM, Simo Sorce wrote: On Thu, 2020-10-01 at 14:01 -0400, Simo Sorce wrote: On Thu, 2020-10-01 at 19:47 +0200, Miro Hrončok wrote: On 01. 10. 20 19:20, Simo Sorce wrote: and the policy affects all software on the system, not just thunderbird ... Is it possible to workaround th

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-02 Thread Simo Sorce
On Thu, 2020-10-01 at 20:10 +0100, Tom Hughes wrote: > On 01/10/2020 20:02, Simo Sorce wrote: > > > You mean Fedora 33 release notes ? > > We already blocked things like TLS1.0/1.1 in previous Fedras, and that > > had a larger impact on legacy enterprise laggards, I do not know if > > this specifi

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Tom Hughes via devel
On 01/10/2020 20:02, Simo Sorce wrote: You mean Fedora 33 release notes ? We already blocked things like TLS1.0/1.1 in previous Fedras, and that had a larger impact on legacy enterprise laggards, I do not know if this specific case is worth that much. Actually TLS1.0 and 1.1 are still allowed

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Simo Sorce
On Thu, 2020-10-01 at 18:08 +, Gary Buhrmaster wrote: > On Thu, Oct 1, 2020 at 5:21 PM Simo Sorce wrote: > > > Note that at this point in time (2020), this is a server bug not a > > Fedora policy problem. > > Regardless, as (especially) corporate services tend > to have lives that are excess

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Gary Buhrmaster
On Thu, Oct 1, 2020 at 5:21 PM Simo Sorce wrote: > Note that at this point in time (2020), this is a server bug not a > Fedora policy problem. Regardless, as (especially) corporate services tend to have lives that are excessively longer than updates in security policies, it might deserve a speci

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Simo Sorce
On Thu, 2020-10-01 at 14:01 -0400, Simo Sorce wrote: > On Thu, 2020-10-01 at 19:47 +0200, Miro Hrončok wrote: > > On 01. 10. 20 19:20, Simo Sorce wrote: > > > and the policy affects all software on the system, not just thunderbird > > > ... > > > > Is it possible to workaround the problem in Thun

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Simo Sorce
On Thu, 2020-10-01 at 19:47 +0200, Miro Hrončok wrote: > On 01. 10. 20 19:20, Simo Sorce wrote: > > and the policy affects all software on the system, not just thunderbird ... > > Is it possible to workaround the problem in Thunderbird only? Only if thunderbrind provides a configuration option to

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Miro Hrončok
On 01. 10. 20 19:20, Simo Sorce wrote: and the policy affects all software on the system, not just thunderbird ... Is it possible to workaround the problem in Thunderbird only? -- Miro Hrončok -- Phone: +420777974800 IRC: mhroncok ___ devel mailing l

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Simo Sorce
Note that at this point in time (2020), this is a server bug not a Fedora policy problem. I also heartily approve of using a custom policy change rather than switching to legacy, and hopefully people will quickly be able to remove that custom change too because that DH size is simply too weak for

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Milan Crha
On Thu, 2020-10-01 at 15:28 +0800, Harish Pillay wrote: > Same thing applies to mutt. I've filed this bz: >    https://bugzilla.redhat.com/show_bug.cgi?id=1883976 Hi, every application which uses library which complies to system crypto policies is "affected". For more information: htt

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Pavel Raiskup
On Thursday, October 1, 2020 7:50:49 AM CEST Lumír Balhar wrote: > I've upgraded to Fedora 33 beta and I've discovered a problem with > Thunderbird. All email accounts work well except the Red Hat one with > mail.corp.redhat.com as an IMAP server (I use Zimbra servers not Gmail). I asked a few d

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-10-01 Thread Harish Pillay
| I've upgraded to Fedora 33 beta and I've discovered a problem with | Thunderbird. All email accounts work well except the Red Hat one with | mail.corp.redhat.com as an IMAP server (I use Zimbra servers not Gmail). | | The problem is that Thunderbird does not show any error message but it's not |

Re: Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-09-30 Thread Lumír Balhar
Probably better than switching the system-wide policy to LEGACY is to create a policy modifier which alters only the minimum size of DH keys. $ sudo echo "min_dh_size = 1023" > /etc/crypto-policies/policies/modules/DH-SIZE.pmod $ sudo update-crypto-policies --set DEFAULT:DH-SIZE The issue is

Thunderbird with mail.corp.redhat.com does not work on Fedora 33

2020-09-30 Thread Lumír Balhar
Hello. I've upgraded to Fedora 33 beta and I've discovered a problem with Thunderbird. All email accounts work well except the Red Hat one with mail.corp.redhat.com as an IMAP server (I use Zimbra servers not Gmail). The problem is that Thunderbird does not show any error message but it's no