Fixed a typo

Set a 10 seconds timeout in Dial

Made the error clearer when an address is invalid

Added an option to manually set filename of attachments

Do not insert a newline as the first character of a header

Fixed a bug when using an empty name in SetAddressHeader

Added automatic folding of long header lines

smtpSender.Send() now automatically redials in case of a timeout

Dialer.Dial() now automatically uses CRAM-MD5 when it's available

Fixed the name of the last example

Added an example using the CRAM-MD5 authentication mechanism

Fixed the FAQ example

Added Go 1.6 to Travis

Removed the support section of the readme

fixed a typo