New Features: Support for a new ESP, exportable blocked IPs and campaign validation for blank html / plain text;

– Added support for MailGun, ESP;

– Blocked IPs are now query able via CIDR notation (https://www.ionos.com/digitalguide/server/know-how/cidr-classless-inter-domain-routing/);

– Blocked IPs are now exportable;

– Campaign validation for blank html / plain text and a missing body tag are now in play;