Redmine

if i`ll create new issue submitted by e-mail with subject in russian language it will be cropped after 70 chars.
If i`ll create new issue from web-interface with same subject, everything is OK, none of chars will be cropped
If i`ll create new issue submitted by e-mail written in English, everything is OK.

no errors in production.log

Mysql 5.6.14-log
Environment:
Redmine version 2.5.1.stable
Ruby version 1.9.3-p194 (2012-04-20) [x86_64-linux]
Rails version 3.2.17
Environment production
Database adapter Mysql2
SCM:
Subversion 1.6.17
Git 1.7.10.4
Filesystem
Redmine plugins:
once_assigned_ever_watcher 0.1.0
redmine_agile 1.3.1
redmine_auto_assigned_user 0.2.0
redmine_issue_checklist 2.0.5
redmine_issue_favicon 0.0.1
redmine_issue_history 1.0.0
redmine_knowledgebase 3.0.4
redmine_login_audit 0.1.5
redmine_people 0.1.8
redmine_vote 1.0.1
redmine_wysiwyg 1.0.0