Yahoo SMTP Settings The SMTP server settings apply to outgoing mail, so it is the same whether POP or IMAP is used for incoming email. In most cases, enter the Yahoo SMTP settings in the Settings section of the client interface when adding your Yahoo! account. Here is the information that you will enter into the email program to send Yahoo Mail: Yahoo Mail SMTP server address smtp.mail.yahoo.com Yahoo Mail SMTP username Your full Yahoo email address (including @ yahoo.com) Yahoo Mail SMTP password Your Yahoo Mail password Yahoo Mail SMTP port 465 or 587 Yahoo Mail SMTP TLS / SSL required Yes This configuration works with most desktop, mobile, and web email programs and services. After setting up Yahoo Mail in your preferred email client, your mail and Yahoo folders will appear in both locations. Receive email with Yahoo Mail To download mail from Yahoo Mail to your email program, enter the Yahoo Mail IMAP or POP3 server settings, whichever is appropriate for your account. Yahoo mail sending limits.