Problem appeared after upgrading from Ubuntu 18.04 to 18.10. When starting Sylpheed, connecting to imap.gmail.com over SSL, I get a warning embedded in the SSL certificate: "Subject: /OU=No SNI provided; please fix your client./CN=invalid2.invalid "
May be related to this bug report about 'fetchmail' in redhat enterprise when it was still using TLSv1.2 instead of TLSv1.3: https://bugzilla.redhat.com/show_bug.cgi?id=1611815 https://gitlab.com/fetchmail/fetchmail/commit/9b8b634312f169fab872f3580c2febe5af031615
ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: sylpheed 3.5.1-1ubuntu3 ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12 Uname: Linux 4.18.0-10-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.10-0ubuntu13 Architecture: amd64 CurrentDesktop: XFCE Date: Tue Oct 23 00:27:01 2018 InstallationDate: Installed on 2016-06-05 (869 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: sylpheed UpgradeStatus: Upgraded to cosmic on 2018-10-21 (1 days ago) modified.conffile..etc.default.apport: [modified] mtime.conffile..etc.default.apport: 2018-03-20T22:16:27.108498
Problem appeared after upgrading from Ubuntu 18.04 to 18.10. /CN=invalid2. invalid "
When starting Sylpheed, connecting to imap.gmail.com over SSL, I get a warning embedded in the SSL certificate: "Subject: /OU=No SNI provided; please fix your client.
May be related to this bug report about 'fetchmail' in redhat enterprise when it was still using TLSv1.2 instead of TLSv1.3: /bugzilla. redhat. com/show_ bug.cgi? id=1611815 /gitlab. com/fetchmail/ fetchmail/ commit/ 9b8b634312f169f ab872f3580c2feb e5af031615
https:/
https:/
ProblemType: Bug ature: Ubuntu 4.18.0- 10.11-generic 4.18.12 dules: nvidia_modeset nvidia conffile. .etc.default. apport: [modified] .etc.default. apport: 2018-03- 20T22:16: 27.108498
DistroRelease: Ubuntu 18.10
Package: sylpheed 3.5.1-1ubuntu3
ProcVersionSign
Uname: Linux 4.18.0-10-generic x86_64
NonfreeKernelMo
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue Oct 23 00:27:01 2018
InstallationDate: Installed on 2016-06-05 (869 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: sylpheed
UpgradeStatus: Upgraded to cosmic on 2018-10-21 (1 days ago)
modified.
mtime.conffile.