Package: isync Version: 1.3.0-1 Severity: grave Dear Maintainer,
% mbsync -V -l gmail -c test-mbsyncrc Reading configuration file XXXX/test-mbsyncrc Channel gmail-inbox Opening master store gmail-remote... Resolving imap.gmail.com... ok Connecting to imap.gmail.com (108.177.125.109:993)... Opening slave store gmail-local... SSL error connecting imap.gmail.com (108.177.125.109:993): self signed certificate But openssl s_client -connect imap.gmail.com:993 -CAfile /etc/ssl/certs/ca-certificates.crt ... Start Time: 1534954195 Timeout : 7200 (sec) Verify return code: 0 (ok) Extended master secret: yes ... When I rollback libssl ver. 1.1.0h-4, All fine. Maybe we have to rebuild or modify isync for libssl 1.1.1 test-mbsyncrc as follows: ... IMAPAccount gmail Host imap.gmail.com User MY ACCOUT NAME Pass MY APP PASSWORD Port 993 SSLType IMAPS SSLVersions TLSv1.2 CertificateFile /etc/ssl/certs/ca-certificates.crt ... Best Wishes, -- System Information: Debian Release: buster/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.17.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8), LANGUAGE=ja_JP.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) Versions of packages isync depends on: ii libc6 2.27-5 ii libdb5.3 5.3.28+dfsg1-0.1 ii libsasl2-2 2.1.27~101-g0780600+dfsg-3.1 ii libssl1.1 1.1.1~~pre9-1 ii zlib1g 1:1.2.11.dfsg-1 isync recommends no packages. Versions of packages isync suggests: pn mutt <none> -- no debconf information