will receive email, but will not send

I have been using em client for about a month and rather like it, how ever this morning I can no longer send an email and i get an SMTP error saying it can not connect to the server. I have checked and the server is fine, and all of the settings are correct. i can send and receive from the same email address with the same settings in outlook with no problems

Hi, can you please make a screenshot of the error message? What version of eM Client are you currently using? What mail service are you using?

Thank you,