Unable to attach Excel file with long Russian filename via email

Summary

When sending an email that contains an Excel file with a Russian file name to JSD, the attachment fails to be processed and below message is attached to the Description of the issue instead:

An error occured while attaching Заявка на организацию командировки по России(гостиница)Жадушкин 1.xlsx: Unable to record temporary attachment in your session. Please reload the page and try again.

In log(this can be seen on splunk at rate ~29 events/7 days):

2017-07-07 19:35:55.662650500 2017-07-07 19:35:55,662 Caesium-1-4 WARN asnida.hassan1 [c.a.j.web.util.DefaultWebAttachmentManager] Got exception while adding temporary attachment to attachment monitor. Exception: Caught PSQLException for insert into "public"."tempattachmentsmonitor" ("temporary_attachment_id", "content_type", "file_name", "form_token", "created_time", "file_size")
2017-07-07 19:35:55.662651500 values (?, ?, ?, ?, ?, ?) caused by: ERROR: value too long for type character varying(255)

Steps to reproduce 

1. Enable email request in JSD project
2. Send an email with [^Заявка на организацию командировки по России(гостиница)Жадушкин 1.xlsx] as attachment to the email request 

Expected Result

The email is processed and created as a ticket with the attachment

Actual Result

The email is processed and created as a ticket without the attachment