Make certain that the "ssl protocols" that your imap server supports include TLS v1.1 and 1.2. I'm not certain that android-6/k-9 are happy with SSLv3 any longer. Most imap servers get that from the underlying system-level SSL libraries, not built-in, but I don't use courier so can't say for certain in your environment. [On my imap server I have SSLv2 and v3 explicitly disabled.]
I think that your logs should give hints, if you have the logging level set high enough. > Date: Monday, February 08, 2016 07:38:38 -0800 > From: Steve Evans <[email protected]> > > These are devices that have been updated. The Nexus 7 tablet was > updated in October and k9 mail hasn't worked since. The Moto X > Play just updated this weekend and similarly stopped working. > > I have regenerated the SSL certificate and gone through K9's > Incoming Server/Next options. K9 warned me about the unsigned > certificate, with an Accept Key option that I selected. It still > didn't work. > > > On Monday, 8 February 2016 15:11:29 UTC, Richard wrote: >> >> >> >> > Date: Monday, February 08, 2016 06:58:18 -0800 >> > From: Steve Evans <[email protected] <javascript:>> >> > >> > >> > >> > I cannot fetch mail from my courier imap ssl server from k9mail >> > on Android 6. it worked on Android 5.1. I have made no >> > changes to the settings, which are: >> > >> > >> > Security: SSL/TLS >> > Port: 993 >> > Authentication: Normal password >> > Auto-detect IMAP namespace >> > >> > >> > The server has a self signed SSL certificate which has not >> > expired. >> > >> > This happens on both my Nexus 7 tablet and my Moto X play >> > phone. >> >> Did this issue start when the devices were updated from >> Android-5.x to 6, or are these new devices (that came with 6)? >> >> Self-signed certs are a bit tricky as they require explicit >> acceptance (by any mail client) at setup, whether they are >> unexpired or not. >> >> If you haven't already, go through the "fetching mail/incoming >> mail server" setup and select the "next". That should test the >> connection and generally results in a cert acceptance prompt. If >> there's some other issue it should be reported there too. >> >> If you've done that, then look at the imap server logs and see >> what it's saying about the incoming connection. You may need to >> turn up the logging level some to be able to see useful output. >> ------------ End Original Message ------------ -- -- You received this message because you are subscribed to the K-9 Mail Users List. To post to this group, send email to [email protected] To unsubscribe, email [email protected] To report an issue with K-9 Mail, visit http://code.google.com/p/k9mail/issues/list For more options, visit this group at http://groups.google.com/group/k-9-mail --- You received this message because you are subscribed to the Google Groups "K-9 Mail" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
