Kindly follow the below settings to configure the webmail account in email client.++++Username : Full email addressPassword : Correct webmail passwordSelect IMAPIncoming mail server : hostname (or) mail.yourdomainname.comFor IMAP use 143 - SSL Disabled ( If SSL enabled Use 993)Outgoing Mail server : hostname (or) mail.yourdomainname.comOutgoing SMTP port - 25 or 587 or 26 ( If SSL enabled use 465)SSL Disabled or NoneIn More or Advanced Settings - Select SMTP Authentication Enabled++++