Calibre -> GMX -> Kindle or Kindle on Android

Starting job: Email Separation of Power to JimReid_689@kindle.com
connect: ('mail.gmx.com', 587)
connect: to ('mail.gmx.com', 587) None
reply: b'220 gmx.com (mrgmx005) Nemesis ESMTP Service ready\r\n'
reply: retcode (220); Msg: b'gmx.com (mrgmx005) Nemesis ESMTP Service ready'
connect: b'gmx.com (mrgmx005) Nemesis ESMTP Service ready'
send: 'ehlo JimsPC.hsd1.nj.comcast.net.\r\n'
reply: b'250-gmx.com Hello JimsPC.hsd1.nj.comcast.net [73.248.92.145]\r\n'
reply: b'250-8BITMIME\r\n'
reply: b'250-SIZE 69920427\r\n'
reply: b'250 STARTTLS\r\n'
reply: retcode (250); Msg: b'gmx.com Hello JimsPC.hsd1.nj.comcast.net [73.248.92.145]\n8BITMIME\nSIZE 69920427\nSTARTTLS'
send: 'STARTTLS\r\n'
reply: b'220 OK\r\n'
reply: retcode (220); Msg: b'OK'
send: 'ehlo JimsPC.hsd1.nj.comcast.net.\r\n'
reply: b'250-gmx.com Hello JimsPC.hsd1.nj.comcast.net [73.248.92.145]\r\n'
reply: b'250-8BITMIME\r\n'
reply: b'250-AUTH LOGIN PLAIN\r\n'
reply: b'250 SIZE 69920427\r\n'
reply: retcode (250); Msg: b'gmx.com Hello JimsPC.hsd1.nj.comcast.net [73.248.92.145]\n8BITMIME\nAUTH LOGIN PLAIN\nSIZE 69920427'
send: AUTH
reply: b'235 Authentication succeeded\r\n'
reply: retcode (235); Msg: b'Authentication succeeded'
send: 'mail FROM: size=2074931\r\n'
reply: b'250 Requested mail action okay, completed\r\n'
reply: retcode (250); Msg: b'Requested mail action okay, completed'
send: 'rcpt TO:\r\n'
reply: b'250 OK\r\n'
reply: retcode (250); Msg: b'OK'
send: 'data\r\n'
reply: b'354 Start mail input; end with .\r\n'
reply: retcode (354); Msg: b'Start mail input; end with .'
data: (354, b'Start mail input; end with .')
send: b'Content-Type: multipart/mixed; boundary="===============1974959829=="\r\nMIME-Version: 1.0\r\nSubj...
reply: b'250 Requested mail action okay, completed: id=1MvsEn-1juDo70dk7-00sxLU\r\n'
reply: retcode (250); Msg: b'Requested mail action okay, completed: id=1MvsEn-1juDo70dk7-00sxLU'
data: (250, b'Requested mail action okay, completed: id=1MvsEn-1juDo70dk7-00sxLU')
send: 'quit\r\n'
reply: b'221 gmx.com Service closing transmission channel\r\n'
reply: retcode (221); Msg: b'gmx.com Service closing transmission channel'
Email successfully sent