If you use any email client (Outlook Express, MS Outlook, Thunderbird…) for collecting your emails, configure them as follows:

Mail Server Username: info@your_domain.com

Plain email settings:
Incoming Mail Server: mail.your_domain.com
Outgoing Mail Server: mail.your_domain.com (server requires authentication) port 25

Settings for SSL:
Incoming Mail Server: (SSL) web43.uk.centralhost.eu (or another name of the server where your websites are located)
Outgoing Mail Server: (SSL) web43.uk.centralhost.eu (server requires authentication) port 465

Supported Incoming Mail Protocols: POP3, POP3S (SSL/TLS), IMAP, IMAPS (SSL/TLS)
Supported Outgoing Mail Protocols: SMTP, SMTPS (SSL/TLS)