Mailster - Email Newsletter Plugin for WordPress 4.1.7

fixed: time specific auto responders sent only on Sundays causes sending the following to be way in the future
fixed: type in test bounce message
fixed: typo in subscriber query causes database error
fixed: PHP warning of undefined variable in option bar
added: unsubscribe link to in mail app unsubscribe message
added: filter mailster_campaign_meta_defaults to filter default meta values
added: defined wp_mail filters are now applied if used with Mailster

new: Remove inactive Subscribers automatically
new: Relative conditions for date fields
new: filters in the subscriber overview
updated: Manage Subscribers page
fixed: add trailing space to preheaders to prevent unintentional line breaks in previews.

fixed: saving template from editor messed up template header
fixed: bulk deletion with actions working again
fixed: auto responder no longer triggered if post is published in the past
fixed: shortcodes are now handled properly on the web version
added: text strings for error messages defined by the security settings page
improved: ajax handler