On Mon, Aug 07, 2017 at 03:11:18PM -0400, Ralph Amissah wrote: > I believe this is the reason I am currently unable to backup my > gmail account with isync/ mbsync
That's because isync defaults to TLSv1 unless you tell it to do otherwise. https://sources.debian.net/src/isync/1.2.1-2/src/drv_imap.c/?hl=2675#L2877 Add "SSLVersions TLSv1.2" to your IMAPAccount stanza and it will start working again. Cheers, -- James GPG Key: 4096R/91BF BF4D 6956 BD5D F7B7 2D23 DFE6 91AE 331B A3DB