The following step is for checking email issue for Window and Linux hosting:
Window hosting
- Login to MEAdmin / Smarter Mail / HELM mail function /DotNetPanel mail function.
- Check for the email account quota size that having this error problem.
- Problem occur normally is the email quota size had been reach the limit.
- To resolve this issue, increase the quota of the email account.
Linux hosting
- Login to CPanel.
- Click on Mail icon.
- Then click "Manage/Add/Remove Accounts".
- There is a button named "Show Disk Space Used", click on it.
- Then check whether the email quota is reached.
- If the quota already reaches, click on "Change Quota" to increase the quota of the email account.
