PHPMailer Pro v2026.6.6.1

The version numbers I use are somewhat unique. This particular one represents the Year, Month, Date, and sequence. June 6 2026 sequence 1: 2026.6.6.1. In my opinion, it's easier to track.

Here's the changelog for this latest version:

- now supports base64 encoded images in- $mail(); equivalent to $mail->send(SMTP);
           which is also equivalent to $mail->send();
           from adding a magic method (--invoke())
- removed two lines of code that were unused variable declarations
- fixed default smtp hostname
- modified line endings and spacing in email header and body to
  accommodate servers that have wavered from RFC spec ("\r\n" to "\n)
- fixed IsExploitPath, now will force a critical stop if an exploit
  is found
- fixed header CRLF (switched to LF)
- simplified mime type detection
- added duplicate image (attachments, inline) checker
  will not upload if duplicate
- added ability to have an inline image that displays in HTML body,
  and a second copy that can be downloaded (by click) as an attachment
  (second copy is optional)
- type declarations added to all properties
- modified domain name check, checkdnsrr not working for sub domains