Roundcube IMAP Error Authenticate

[t0mi]

Hello, i recently updated from Plesk 12.0 to 12.5,

i had following error:

[26-Mar-2016 05:36:02 +0100]: <pm6po603> IMAP Error: Login failed for t0mi@MYHOST from MYIP(X-Real-IP: MYIP,X-Forwarded-For: MYIP). AUTHENTICATE CRAM-MD5: in /usr/share/psa-roundcube/program/lib/Roundcube/rcube_imap.php on line 197 (POST /?_task=login?_tas$

after googling and found this: https://kb.plesk.com/en/125401

i get the same error with PLAIN:

[26-Mar-2016 06:11:11 +0100]: <pm6po603> IMAP Error: Login failed for t0mi@MYHOST from MYIP(X-Real-IP: MYIP,X-Forwarded-For: MYIP). AUTHENTICATE PLAIN: A0002 NO Login failed. in /usr/share/psa-roundcube/program/lib/Roundcube/rcube_imap.php on line 197 (POST /?_task=login?_tas$

please help me.

before update everything was fine


IMAP debug:

[26-Mar-2016 06:53:05 +0100]: <pm6po603> [7402] S: * OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=RE$
[26-Mar-2016 06:53:05 +0100]: <pm6po603> [7402] C: A0001 CAPABILITY
[26-Mar-2016 06:53:05 +0100]: <pm6po603> [7402] S: * CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERE$
[26-Mar-2016 06:53:05 +0100]: <pm6po603> [7402] S: A0001 OK CAPABILITY completed
[26-Mar-2016 06:53:05 +0100]: <pm6po603> [7402] C: A0002 AUTHENTICATE PLAIN
[26-Mar-2016 06:53:05 +0100]: <pm6po603> [7402] S: +
[26-Mar-2016 06:53:05 +0100]: <pm6po603> [7402] C: ****** [38]
[26-Mar-2016 06:53:10 +0100]: <pm6po603> [7402] S: A0002 NO Login failed.

 

[t0mi]

currently downgraded roundcube to 0.9.5 and its working

 

[t0mi]

one more thing: i removed roundcube and all configs, then reinstalled newest version again. now it works! if anyone else have this problem i hope my info helps you out

 

[hardbrasil]

when you reinstall it, did you lose any email information?
i have more than 120 domains with a thousand email accounts there...

 

[Lloyd_mcse]

when you reinstall it, did you lose any email information?
i have more than 120 domains with a thousand email accounts there...

Hi,
no adding and removing webmail won't affect the mail folders. And neither does switching between Qmail and Postfix for example.
Regards

Lloyd