Version 4.0.20

Enhancements:

Email sending library replaced with more modern library, resulting in better error messages and SMTP support
MySQL can connect to servers in alternative ports using hostname format `hostname:port`, e.g. `127.0.0.1:3306`
Minor improvements in Advanced Search searching tips
Windows installer updates PHP to PHP 5.6, which has official support until 2019. (Note that HelpSpot is not yet tested on PHP 7 yet)

Fixed issue where stored incoming email headers may have incorrectly been stripped out when viewing in admin area
Fixed instances where public replies from staff to customers from their email client did not get added as a public note
Portal image styles (defaults) tweaked, adding max-width
Fixed IE cache bug, overly-eager at caching
Fixed issue with placeholder replacement when using a url that is different than cHOST.
Fixed issue with html all on one line being stripped.
Removed “take it” button from closed unassigned requests.
Fixed issue where Sphinx configuration did not pull in create date of items from Request History, resulting in relevant search results being pushed to the bottom of results
- We recommend re-generating your Sphinx configuration file
Fixed local storage saving when editing existing requests.
Fixed issue where mysql host in format of `hostname:port` generated incorrect Sphinx configuration
Fixed issue where Safari and iOS could not play .wav files (commonly emailed into HelpSpot as voicemails)
Fixed bug where email message ID may not be correctly added to an outgoing email (affected replying to a customer directly from email client)