If I send Mail from my local server in message source I see it:
Content-Type: text/html
Content-Transfer-Encoding: 8bit
But, if I send Mail from another server, message source looks like this:
Content-Type: =?utf-8?Q?text/html?=
Content-Transfer-Encoding: =?utf-8?Q?8bit?=
My ZF2 application is identical in both servers. I send mail using zf2 SMTP transport class.
Local server running under Ubuntu 13.10 + Apache, another server under Ubuntu 13.04 + Nginx
Why message sources are not identical?