Created attachment 1492989 [details] Screenshot of dialog with expanded certificate details (russian localization). Description of problem: When the Claws Mail connects to imap.gmail.com, it receives self-signed sertificate for host invalid2.invalid. The same problem was already fixed for openssl and fetchmail. And the same problem is actual for Sylpheed. Version-Release number of selected component (if applicable): 3.16.0 How reproducible: Yes Steps to Reproduce: 1. Create account in Claws Mail for GMail account, if needed. 2. Connect to imap.gmail.com (to fetch mail or rebuild folders tree). 3. Expand certificate details. Actual results: Self-signed certificate and caution about it. Expected results: Valid certificate from Google Additional info:
Description of the same problem in Sylpheed: https://sylpheed.sraoss.jp/redmine/issues/306
See bug 1629151 for some background.
*** This bug has been marked as a duplicate of bug 1629151 ***