v1.7.6

Bugs

• Retry queries on MySQL error 1213 (osTicket/osTicket#493)
• Client login email is not case-sensitive (1b24bcf)
• Fix fetching from more than 10 mail accounts (osTicket/osTicket#468)
• Fix whitespace mangling of Unicode text with non-breaking-spaces (osTicket/osTicket#502)
• Fix delivery issue of emails delivered to group mailboxes (osTicket/osTicket#510)
• Fix dashboard report timeframe (osTicket/osTicket#520)
• Consider the delivered-to header in finding the system email (osTicket/osTicket#535)
• Fix email address list parsing on bad MIME headers (osTicket/osTicket#560)
• Fix login issue when upgrading from osTicket 1.6 (osTicket/osTicket#571)
• Fix attachment corruption on some documents like PDFs (osTicket/osTicket#576)

Performance and Security

• Reuse SMTP connections where possible (osTicket/osTicket#462)
• Enforce max file size for attachments sent via API (osTicket/osTicket#568)