To update your domain email settings within gmail, you can do this quickly by accessing the settings pages within your gmail account you can find current step by step instructions for your desktop/laptop, android or iphone/ipad by visitng the Gmail help centre here:

https://support.google.com/mail/answer/6562

For SSL customers, you can find step by step instruction from a desktop here: PDF

To setup your Email client such as Outlook, Thunderbird and so on you will need the mail settings as below:

For IMAP

Account type: IMAP

Incoming mail server: mail.domain.com (use your own actual domain name)

Port 143

Username: Full email address

Password: mail account password

For SSL use –

Incoming mail server – cloud304.thundercloud.uk

Port :993

For POP3

Incoming mail server: as above

Port 110

User/pass: as above

For SSL use –

Incoming mail server – cloud304.thundercloud.uk

Port :995

Outgoing mail server: as above

Port 25 (you can try port 25025 if you have issues sending)

User/pass: as above

For SSL use –

Outgoing mail server – cloud304.thundercloud.uk

Port :465

Please make sure you enable outbound authentication if using Outlook. This will use the same credentials as your incoming server.