I have a free YAHOO mail account. Note its a yahoo.co.uk address not .com

I want to use the SMTP settings to send mail from PC using that account

I have ready it has daily sending limit of 500, with 100 emails per message limit.

But I cant get it to work.

What the real smtp settings for yahoo.co.uk accounts. do you have to include the "yahoo.co.uk" in the username?

Is it port 465 or 995?

is it:
smtp.mail.yahoo.com
or
smtp.mail.yahoo.co.uk

Thanks