Add option to ignore the SMTP server's certificate

New smtp_allow_insecure config option that, when enabled, makes the mailer
skip TLS certificate verification, allowing SMTP servers with self-signe

Add option to ignore the SMTP server's certificate

New smtp_allow_insecure config option that, when enabled, makes the mailer
skip TLS certificate verification, allowing SMTP servers with self-signed or
otherwise untrusted certificates to be used (issue #32).

The integration test now also covers STARTTLS against a self-signed
certificate, and the pretest hook starts Mailpit with a generated cert so
that test can run.

Closes #32

show more ...

fix overlong line

Switch from bundled subtrees to Composer dependencies

Replace the git-subtree vendored copies of txthinking/mailer and
psr/log with Composer-managed dependencies under vendor/, loaded
automatically

Switch from bundled subtrees to Composer dependencies

Replace the git-subtree vendored copies of txthinking/mailer and
psr/log with Composer-managed dependencies under vendor/, loaded
automatically by DokuWiki's plugin autoloader. The custom PSR-4
loader.php is no longer needed and has been removed.

Also modernize the plugin to current DokuWiki conventions:
- namespaced base classes, short array syntax, PSR code style
- rebuild the admin test form with dokuwiki\Form\Form
- key recipients by address in Message::getTo() so RCPT TO works
with the mailer's key-based iteration
- guard the Bcc continuation loop against running past the body
- avoid an undefined-key warning in getEHLO() on CLI sends
- migrate tests to the *Test.php naming and test namespace
- replace Travis with the shared DokuWiki GitHub Action

show more ...

initialize internal Mailer vars first. fixes #1

better formatting of debug output

adjusted language files for new Plugin Name

configure EHLO

prepared ehlo setting

actually use config vars and show debug data

better recipient handling

some initial simple working state

wizard generated initial checkin