1.8.0

• Set minimum PEAR version to 1.10.1
• Change license to BSD-2 Clause

Version 1.7.3

• Fix MIME boundary size calculation (#34)
• Workaround E_DEPRECATED warning on Auth_SASL::factory() call (#29)

Version 1.7.2

• Fix size calculation when headers are provided (#27)

Version 1.7.1

• Fix a syntax error in the quotedata() test.
• Fix an undefined value resulting from a bad merge. (#23)
• Add TLSv1.1 and TLSv1.2 support for STARTTLS connections. (#22)

Version 1.7.0

This version drops PHP 4 support in favor of more modern PHP language constructs. (#15)

Version 1.6.3

• Fix redundant CRLF terminator sequence (#16).
• Add a note about $socket_options and OpenSSL. (#14)
• Add Composer support. (#7)

Version 1.6.2

Fix EHLO response handling for HELO-only servers (#5).