Yahoo email server settings include how often YAHOO email server should be accessed, the number of messages sent and received, the size of messages and email, and other factors.
The Yahoo email server settings are as follows: incoming server - imap.mail.yahoo.com, outgoing server - smtp.mail.yahoo.com, and port numbers - 993 (SSL enabled) for IMAP and 465 (SSL enabled) or 587 (TLS enabled) for SMTP.
IMAP server settings for Yahoo Mail ; Incoming Mail (IMAP) Server. Server - imap.mail.yahoo.com; Port - 993 ; Outgoing Mail (SMTP) Server. Server - smtp.mail..
incoming server - imap.mail.yahoo.com, outgoing server - smtp.mail.yahoo.com, and port numbers - 993 (SSL enabled) for IMAP and 465 (SSL enabled) or 587 (TLS enabled) for SMTP