User may use Apple iPhone or Apple iPad to send/receive email.
Below is an setup example based on Apple iPad 2017 (iOS 11.4)
1. Goto “Setting” , goto “Accounts & Passwords” , and choose “Add Account”
2. choose “Other”
3. Input your Email address and its password
4. Input server details, user login details. (Below is an example for email-solution.net)
(please refer to account information email for email server naming)
Incoming Mail via IMAP (email contents stored on server, suitable for multi device users, e.g. mobile user)
IMAP Server : yourdomain-com.login.hk (for SSL) , or mail.yourdomain.com (for non-SSL)
IMAP Port: 993 (SSL) , or 143 (non-SSL)
or
Incoming Mail via POP3 (email contents downloaded to your desktop, suitable for fixed location users, e.g. office user)
POP3 Server : yourdomain-com.login.hk (for SSL) , or mail.yourdomain.com (for non-SSL)
POP3 Port: 995 (SSL) , or 110 (non-SSL)
——
Outgoing Mail SMTP
SMTP Server : yourdomain-com.login.hk (for SSL) , or mail.yourdomain.com (for non-SSL)
SMTP Port: 465 (SSL), or 587 (plain-text or STARTTLS)
——
SSL, TLS are encrypted connections
STARTTLS is Opportunistic TLS encrypted connection (if supported TLS encrypted connection, then use TLS. Otherwise, use plain-text connection)
Plain-text is standard (non-encrypted) connection
(By default, iOS will use IMAP (with TLS 993) and SMTP (with TLS 587))
5. Done.