[RCD] GB2312, ISO-2022-KR and other problems

Vladimir Gorpenko vgo at stels.ru
Fri Sep 23 10:24:58 CEST 2016

First, I am not sure now that the problem with GB2312 was on a test 
server before reload of system. Perhaps, it always worked correctly. In 
any case, it has no errors log.

On the work server the error log present. As I understand, the record

[23-Sep-2016 10:48:49 Europe/Moscow] PHP Notice:  No suitable function 
found for UTF-8 encoding in 
/var/www/html/mail/program/lib/Roundcube/rcube_charset.php on line 276

has a direct bearing on my problems with G2312. What does it mean?

Secondly, on this server in a log there is a group of the errors 
relating to spell-checker.

[23-Sep-2016 10:24:05 Europe/Moscow] PHP Warning:  fsockopen(): SSL 
operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate 
verify failed in 
/var/www/html/mail/program/lib/Roundcube/rcube_spellcheck_googie.php on 
line 87
[23-Sep-2016 10:24:05 Europe/Moscow] PHP Warning:  fsockopen(): Failed 
to enable crypto in 
/var/www/html/mail/program/lib/Roundcube/rcube_spellcheck_googie.php on 
line 87
[23-Sep-2016 10:24:05 Europe/Moscow] PHP Warning:  fsockopen(): unable 
to connect to ssl://spell.roundcube.net:443 (Unknown error) in 
/var/www/html/mail/program/lib/Roundcube/rcube_spellcheck_googie.php on 
line 87

Thirdly, after the Linux updating RC ceased to work at the work server. 
More precisely, the authentication page opens and works normally. The 
wrong password is processed normally. But after input of the correct 
password the RC page doesn't open, and the browser (Chrome) reports 
ERR_EMPTY_RESPONSE. In the RC error log there is no diagnostics about 

I will be grateful for any consultations on search of the reasons of 
this failure. Updating of Linux was very big.

One more question which doesn't have a direct relation on RC, but here 
are specialists in e-mail. Perhaps, somebody will be so kind that he 
will answer. In case of attachment of the file in the letter the title 
in which cyrillic is encoded quite peculiar is created.

Content-Disposition: attachment;

I can't find the function which is realizing such coding or descriptions 
of the standard. I just don't know that I should look for.
How this coding is named?

Best regards,
    Vladimir Gorpenko

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