Configure Mail Clients

Email Server Detail and Email Access Tutorial


A. To Setup email on Email Client on Mobile, tablets & PCs (e.g. Outlook, Mail, Thunderbird, etc.)

            This is a Non-SSL Settings, so please un-tick any "Use SSL"

            Username:      Use full email address

            Password:        Use the email account’s password.

            Incoming Server:   mail.your_domain_name (e.g.

                        IMAP Port: 143

                        POP3 Port: 110


            Outgoing Server:  mail.your_domain_name (e.g.

                        SMTP Port: 25


Before selecting IMAP or POP3 email access protocol, please make sure you have read, understand and agreed with information which can be found at the bottom of this page. **


B. To access email via browsers e.g. Firefox, Chrome, Safari, Internet Explorer, etc.


  1. Please use browse type webmail.<your websitename> 



2. Then, please follow below steps depends on your browser type:


On Firefox

2.1. Then you may get "This Connection is Untrusted" page, in such case follow the below steps.

2.2. Please click to "I Understand the Risks" link, then click "Add Exception" button.

2.3. Then Add Security Expection window  apprers, click the "Confirm Security Expception" button next to Cancel.


On Chrome

2.1. Then you may see "The site's security certificate is not trusted!" page.

2.2. Please click "Proceed anyway" button.


On Safari

2.1. Then you may get the pop-up window saying "Safari can't verify the identity of the website ...".

2.2. Please click on "Continue" button.


On Internet Explorer (IE)

2.1. Then you may see " There is a problem with this website’s security certificate." page.

2.2. Next, please click on "Not recommended iconContinue to this website (not recommended)" link above More information.

3. Next, you may see Webmail page,  please enter your email address and password.

4. Lastly, please select the middle option "Roundcube" among available three options  (Horde, Roundcube, SquirrelMail).

5. And, you should be able to access all your emails.


** The Difference between IMAP and POP3


Both IMAP (Internet Message access protocol) and POP (Post Office Protocol) allow people to get access to their email from a remote server; however, that is where most similarities end.



IMAP allows users to store their email on Consider This Email Server (CTES). This two-way protocol also allows you  to synchronize your emails between the CTES and your multiple devices.


When you read or flag or save or even delete an email in one of your email account configured device, that activities will be synchronized/reflected/mirrored to the CTES, and apply the same to your all other devices. For example, if you deleted your email from mobile, that email will be automatically deleted from your laptop or IPAD and so on(if it has been setup as IMAP).


Further, once you setup an email account using a available email client software (e.g. Outlook, Thunderbird, Mac Mail, etc.,) and later decided to group email by creating folders/sub-folders your email account. Then, make sure that you have created folders in CTES before moving any of your emails between the inbox across to those folders/folders, so that you would not be moving any email into your local folders instead of on CTES folders. You can check it by logging into our webmail.yourdomainname with your same email and password.


More importantly, when you move your email from your inbox to your local folder/subfolder, you are also moving email from CTES to your local leaving no copy of email into CTES. It means, if your computer crashes or if you accidently delete your emails from your computer, we would not be able to recover from the CTES as you already have been moved that email out of the CTES.


Hence, before you do anything explained above, make sure you have understand it correctly so that you would not lose any emails.



Unlike IMAP, POP simply downloads email to your computer from the our (CTUK) email server, and usually (but not always) deletes the email from the CTUK server. The problems arise if you have more than one device where you read your mail (desktop, laptop, tablet or phone). Here, you may have to delete or file the same email on every devices.


Logging into each device, you will see lots of unread emails with no indication of which you deleted, read, flagged or filed. Any folders you created and organize on one device won't be replicated on the other devices.


The Practical Use of POP

People who access their email account from computer, and back-up their hard drive regularly, can get by with using POP. Although it is possible to arrange to have email stored on the remote servers of most ISPs and other email service providers, downloading email is a slow process if the user has a large number of messages stored on the remote server.


Here's why POP is bad:

  • You have to delete or file the same email on every device
  • Logging into each device, you will see lots of unread emails with no indication of which you deleted, read, flagged or filed
  • Any folders you created and organize on one device won't be replicated on the other devices

How do I know I'm using POP?

  • Sign 1: If I create folders on one of my devices, they are not replicated on others
  • Sign 2: If I read an email on one of my devices, I see it as unread on others
Sign 3: If I delete an email on one of my devices, I still see it on others
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