Configure the Zoho mail IMAP settings as follows:
- Incoming Server Settings: username@zoho.com
- Incoming Server Name: imap.zoho.in
- Port: 993
- Require SSL: Yes
- Username: username@zoho.com
- Outgoing Server Name: smtp.zoho.in
- Port: 465 with SSL or
- Port: 587 with TLS
- Require Authentication: Yes
