Merge pull request TYPO3-directmail#392 from SSFGizmo/11.x

11.x

Merge pull request TYPO3-directmail#383 from christophlehmann/patch-4

Use original filename for attachments

Merge pull request TYPO3-directmail#381 from SSFGizmo/11.x

11.x

docs: raise version

docs: raise version

docs: raise version

docs: raise version

style: remove brackets after 'int'

Merge pull request TYPO3-directmail#293 from kartolo/update_composer_…

…alpha

[TASK] update composer.json

Merge pull request TYPO3-directmail#292 from kartolo/update_composer

[TASK] fix composer.json so packagist can update