2.6.4

Use smtp-starttls to completely disable starttls and use smtp+starttls to try upgrading to secure connection when advertised or when using legacy helo.

2.6.3

Fix for missing try/catch

2.6.2

• Allow failure STARTTLS when using TryTls
• Fix question mark in quoted printable encoded headers
• Add context options to PlainTcpConnection

2.6.1

• Fix long attachment names

2.6.0

• Added PsrLogExceptionTransport
• Upgraded PHPStan to version 0.12, various fixes
• Fix space showing up in subject words due message folding (#66)

2.5.7

Supports streams for FilesystemQueue.

2.5.6

Fixes address containing quotes on the folded line

2.5.5

Fix header value parsing, should remove line separations

2.5.4

Allow special characters in filenames of content disposition.

2.5.3

Increases information in header parameter exception