Cannot access webmail

Symptoms

• The webmail page does not open, or shows an error page.
• The login page loads but rejects the mailbox password.
• Webmail works in one browser, but not in another.

Common causes

• The webmail address is wrong, or the domain does not point to the mail service.
• The mailbox password is wrong or was recently changed.
• A browser extension, cached page or blocked cookie interferes with the login.
• The certificate for the webmail address is not valid. See SSL not working.

Safe initial checks

1. Check the webmail address in your welcome email or in Webmail with Roundcube.
2. Try a private window with extensions turned off.
3. Check the domain's DNS: dig A webmail.yourdomain.com +short or the address you use.

Step-by-step solutions

1. Wrong address. Use the correct webmail address for your service.
2. Wrong password. Reset the mailbox password. See Forgotten mailbox password.
3. Browser problem. Clear the cache and cookies for the webmail address, then sign in again.
4. Certificate problem. Check the certificate for the webmail name. See SSL warnings and errors.

How to confirm the issue is fixed

• You sign in to webmail and see the inbox.

When to contact support

Contact support if the address and password are correct, the DNS points to the mail service, and webmail still does not load.

Information to include in a support ticket

• The webmail address, the browser name and version, and the exact error text.

Related articles

• Webmail with Roundcube
• Access webmail
• Forgotten mailbox password
• SSL not working

Last reviewed

2026-10-27