In Mail's Window Menu, choose Connection Doctor, any red dots for status, if so what is the exact message?
Then click the Show Details button & Check again.
The Password rejection can confuse people since it's a catch all meaning...
This Password, Username, Authentication method... is not recognized on this Port to this Server.
If WebMail works in a browser, it's not Name or Password, but one of the other ones.
The receiving email ports are:
IMAP is port 143
IMAP-SSL is port 993
POP is port 110
POP-SSL is port 995
Outgoing ports are...
SMTP and SMTP-SSL is on ports 25, 587 and 465. Port 587 has to be SSL, and port 465 is enforced TLS-wrapped and is generally used by Outlook users.
Thank you for your answer; but my problem is different. I use Mail of Mac and since three weeks my contacts that use hotmail don't receive no more my messages. Excuse my bad english. I hope I have explained my problem. Notice: I recieve every mail and I can send mail to everyone, except to Hotmail addresses.
Whew, just checked my hotmail account, can't send, but do recieve... likely since they switched to Outlook instead... I rarely use it.
I can login to outlook.com & it says my account is blocked unless I provide a mobile phone#, I've never so much as touched a Cell Phone.
I can read mail in the Outlook or Apple's Mail, but cannot send from either, so login at outlook.com & sse if you get the same.