There could be a few reasons why are my emails not sending in outlook. It could be due to an incorrect setting in your Outlook....
https://www.3citcians.com/blog/outlook-not-sending-emails/

Hi everyone this is Nelson Smith assistant supervisor,It must be annoying to encounter “outlook Email stuck in the outbox.” So, if you are unable to....
https://www.3citcians.com/blog/outlook-email-stuck-in-outbox/

While trying to solve problems related to outlook people usually fail but using the solutions listed by our tech professionals, one can quickly resolve the....
https://www.3citcians.com/blog/fix-outlook-send-receive-error