Please follow this article https://kb.mailwizz.com/articles/debug-send-campaigns-command/ and post here output from command line, also check your application logs from Backend > Miscellaneous > Application log and check if you have some errors there.My Campaign is stuck at sending plz help me mailwizz team
Also check your CRON JOB running properly.
Pause and unpause the campaign, that generally does the trick.Is there no other way to get in unstuck