Here’s a little cheat sheet on the most commonly used ports on a cPanel server. This helps with situations such as problems sending email through port 25 and 26 because your ISP blocks them. Use 587.
cPanel
cPanel 2082
cPanel – SSL 2083
WHM 2086
WHM – SSL 2087
Webmail 2095
Webmail – SSL 2096
Email
POP3 110
POP3 – SSL 995
IMAP 143
IMAP – SSL 993
SMTP 25
SMTP Alternate 26
SMTP Alternate 587
SMTP – SSL 465
Web
HTTP 80
SSL 443
FTP 21
FTPs 990
SFTP 22
SFTP Shared/Reseller Servers 2222
Webdisk 2077
Webdisk – SSL 2078
MySQL 3306
MSSQL 1433
SSH 22
SSH Shared/Reseller Servers 2222
