go-smtp v0.24.0

Martin Tournoij (1):
      Remove superfluous validateLine() calls in sendMail()

Quinn (1):
      Implement MT-PRIORITY (RFC 6710)

go-smtp v0.23.0

Quinn (1):
      Implement DELIVERBY (RFC 2852)

go-smtp v0.22.0

Alex Tomlins (1):
      Add checking for auth to Server example

Mathias Lieber (2):
      client: allow manual Hello after Reset
      server: reset session on EHLO

Quinn (2):
      server: handle newline characters in error messages
      Implement RRVS

Simon Ser (5):
      backendutil: drop package
      client: save greet error
      readme: drop CI badge
      Upgrade dependencies
      client: introduce DataCommand

torikki (1):
      Allow manual Hello after StartTLS

go-smtp v0.21.3

Simon Ser (1):
      client: save greet error

torikki (1):
      Allow manual Hello after StartTLS

go-smtp v0.21.2

Mathias Lieber (1):
      Add remote addr in error handler log

Simon Ser (8):
      server: fix failingListener data race in tests
      server: fix TestServerAcceptErrorHandling data race
      ci: switch to alpine/latest
      ci: enable data race detector
      ci: add gofmt check
      client: fix server responses in TestClient_TooLongLine
      client: add Client.readResponse helper
      server: unify logic to decode SASL response

diogomr (1):
      Do not use HELLO as fallback of EHLO when server responds with 421

go-smtp v0.21.1

Jason Friedland (1):
      Update example server auth for AuthSession interface in 0.21.0 update

Simon Ser (5):
      client: drop defaultTimeout constant
      Rename SendMail PLAIN auth example
      server: add Conn.writeError
      server: rename toSMTPStatus to dataErrorToStatus
      client: adjust TestClientAuthTrimSpace comments

albertony (1):
      Fix anonymous authentication with empty trace information string

go-smtp v0.21.0

This release contains multiple breaking changes:

- Servers implementing Session.AuthPlain need to switch to AuthSession
- Server.AuthDisabled and Server.EnableAuth have been superseded by AuthSession
- Client.StartTLS has been superseded by DialStartTLS and NewClientStartTLS

IKEDA Soji (1):
      Server: The value of BODY parameter is case-insensitive

Simon Ser (18):
      Add DialStartTLS
      Unexport Client.StartTLS
      De-duplicate SendMail/SendMailTLS
      Fix tls.Config ignored in DialStartTLS
      Add NewClientStartTLS
      server: add LIMITS RCPTMAX support
      client: add Client.MaxMessageSize
      client: drop unnecessary nil check in Client.Extension
      client: drop unused Client.auth
      client: add Client.SupportsAuth
      server: send error response on invalid AUTH initial response
      server: drop Server.caps
      Add BackendFunc
      server: use Conn.authAllowed in handleAuth
      server: replace EnableAuth with AuthSession
      Disable AUTH when AuthSession.AuthMechanisms is empty
      Drop Session.AuthPlain
      Drop Server.AuthDisabled

go-smtp v0.20.2

Simon Ser (1):
      server: use netcat -C instead of telnet for example testing

fox.cpp (2):
      Fix Conn.Hostname being empty when NewSession is called
      Parse DATA\r\n\r\n.\r\n as \r\n\r\n message

go-smtp v0.20.1

Mathias Lieber (1):
      Prevent <LF>.<CR><LF> SMTP smuggling attacks

go-smtp v0.20.0

Brian Mayer (1):
      Remove DotLF to EOFState case

Simon Ser (10):
      client: don't check for nil Client.ext in SendMail
      client: add newline after validation in SendMail
      client: drop nil check from toSMTPErr
      Prefix SMTPError message
      Add defaultDialer
      Add TLS warning in Dial
      Remove host argument from NewClient
      Add SMTP smuggling test
      client: delay greeting
      client: drop Client.tls

guangwu (1):
      Fix typos