On Sun, Mar 06, 2016 at 08:59:21PM +0100, Peter P. wrote: > * OK [CAPABILITY IMAP4rev1 STARTTLS LOGINDISABLED] GroupWise Server > >>> 1 STARTTLS > 1 OK Begin TLS negotiation > >>> 2 CAPABILITY > * CAPABILITY IMAP4rev1 AUTH=PLAIN AUTH=XGWTRUSTEDAPP UNSELECT > 2 OK CAPABILITY completed > >>> 3 LOGIN <user> <pass> > [then after some time] > IMAP command 'LOGIN <user> <pass>' returned an error: NO LOGIN > GroupWise login failed > > Every third time or so I would get beyond that point with > 3 OK LOGIN completed > and so on and so forth. > > Is there anything I could try to get more stable logins? Is it me, > mbsync or the mail server? > to me it seems that the server forgets to internally re-enable LOGIN after TLS negotiation despite reporting that it has done so. you can try UseIMAPS to work around that apparent server bug. you can also try AuthMech PLAIN when you upgrade to isync 1.2.1 from experimental (or build it yourself).
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