Hi
K-9 won´t connect after upgrading to Android 6.0, I get the below
exception. This didn't happen before. Incidentally MailWise also does not
work since then. I tried Gmail and that works, so I'm not sure where the
problem lies. I've tried to find something on this problem, but haven't
found much. There are suggestions that it might be the server not
supporting necessary protocols or cipher suites, but why then does Gmail
work?
My IMAP server has a (since 2011 expired) self signed certificate (which
worked fine til now). An SSL check reveals that TLS1.0 and SSLv3 are
supported and the following ciphers:
TLS_RSA_EXPORT_WITH_RC4_40_MD5 (0x0003)
TLS_RSA_WITH_RC4_128_MD5 (0x0004)
TLS_RSA_WITH_RC4_128_SHA (0x0005)
TLS_RSA_EXPORT_WITH_DES40_CBC_SHA (0x0008)
TLS_RSA_WITH_DES_CBC_SHA (0x0009)
TLS_RSA_WITH_3DES_EDE_CBC_SHA (0x000A)
TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA (0x0014)
TLS_DHE_RSA_WITH_DES_CBC_SHA (0x0015)
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x0016)
TLS_RSA_WITH_AES_128_CBC_SHA (0x002F)
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x0033)
I would be grateful for any tips.
The exception:
K9-Mail version: 5.010
Device make: Sony
Device model: E6653
Android version: 6.0
com.fsck.k9.mail.MessagingException: IO Error
at
com.fsck.k9.mail.store.ImapStore$ImapFolder.ioExceptionHandler(ImapStore.java:2208)
at
com.fsck.k9.mail.store.ImapStore$ImapFolder.internalOpen(ImapStore.java:947)
at com.fsck.k9.mail.store.ImapStore$ImapFolder.open(ImapStore.java:867)
at
com.fsck.k9.controller.MessagingController.synchronizeMailboxSynchronous(MessagingController.java:1041)
at
com.fsck.k9.controller.MessagingController.access$400(MessagingController.java:111)
at
com.fsck.k9.controller.MessagingController$8.run(MessagingController.java:934)
at
com.fsck.k9.controller.MessagingController.run(MessagingController.java:435)
at java.lang.Thread.run(Thread.java:818)
Caused by: javax.net.ssl.SSLHandshakeException: Handshake failed
at
com.android.org.conscrypt.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:396)
at
com.android.org.conscrypt.OpenSSLSocketImpl.waitForHandshake(OpenSSLSocketImpl.java:629)
at
com.android.org.conscrypt.OpenSSLSocketImpl.getInputStream(OpenSSLSocketImpl.java:591)
at
com.fsck.k9.mail.store.ImapStore$ImapConnection.open(ImapStore.java:2460)
at
com.fsck.k9.mail.store.ImapStore$ImapConnection.sendCommand(ImapStore.java:2872)
at
com.fsck.k9.mail.store.ImapStore$ImapConnection.executeSimpleCommand(ImapStore.java:2921)
at
com.fsck.k9.mail.store.ImapStore$ImapConnection.executeSimpleCommand(ImapStore.java:2902)
at
com.fsck.k9.mail.store.ImapStore$ImapFolder.executeSimpleCommand(ImapStore.java:858)
at
com.fsck.k9.mail.store.ImapStore$ImapFolder.internalOpen(ImapStore.java:904)
... 6 more
Caused by: javax.net.ssl.SSLProtocolException: SSL handshake aborted:
ssl=0x7f41039300: Failure in SSL library, usually a protocol error
error:100c1069:SSL routines:ssl3_get_server_key_exchange:BAD_DH_P_LENGTH
(external/boringssl/src/ssl/s3_clnt.c:1193 0x7f73563518:0x00000000)
at com.android.org.conscrypt.NativeCrypto.SSL_do_handshake(Native
Method)
at
com.android.org.conscrypt.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:324)
... 14 more
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