1.9.4

• Bugfixes on QUOTA
• Various warning fixes & build fixes

1.9.3

• Added IMAP CLIENTID / SMTP CLIENTID support
• Use Cyrus SASL 2.1.27

1.9.2

• Support of TLS SNI
• LMDB for cache DB
• Fixed build with recent versions of curl

1.9.1

• Fixed version number

1.9: Fix user certificate with gnutls 3.0 api (#301)

• Fixed some build issues for Visual Studio
• Fixes for GnuTLS
• Various bug fixes

1.8

• LMTP support
• workaround for QIP IMAP Server
• compatibility with NDK 13
• fixed crash (CVE-2017-8825)

1.7.2

• Fixed so name for Linux

1.7

Build

• Fixed expat / curl detection
• Fix build on OpenIndiana
• Support for Berkeley DB 6.0
• Support for Bitcode (Apple)
• Build for Android
• Improved build for Windows

General

• Support for socks proxy
• API for partial base64 parsing

SMTP

• Ability to cancel SMTP operations
• Fixed logging privacy with OAuth2 on smtp

IMAP

• Broken date parsing
• Improved latest TLS/SSL support
• IMAP MOVE implemented
• workaround for XLIST on cyon.ch
• Added ability to send custom IMAP command support
• Workaround for qq.com IMAP server
• Workaround for 163 IMAP server
• Improved SEARCH compatibility

Improved parser, SEARCH/LITERAL+, removed SSLv3

• Improved RFC822 and MIME parser
• Implemented SEARCH using LITERAL+ for Gmail
• Fixed SSL connections (don't force SSLv3)

Fixed version number

1.4.1 is not allowed as version number.