In this post, we will fix the issue with cPanel Webmail Error.
cPanel provides a webmail interface for users through which they can login their email account and send/receive emails. Email activity on cPanel servers are handled by Exim and Dovecot.
Sometime, when you open Webmail, you will get the below error message:
Unexpected condition from IMAP server, closed or corrupt connection to IMAP. Possible mailbox corruption.
The cause for this error is that Dovecot index file for a particular email account is now corrupted.
There is a very simple fix for this issue. Please follow the below mentioned steps one by one fix it:
Step 1: Login to your server via SSH and browse to the following location by running the below mentioned command [replace username and domain.com with your actual username and domain name].
Step 2: Run list files command [ls -la] and you should notice that every email account has an associated directory here.
Step 3: Now go to the directory of the email account showing mailbox corruption error , run [ls –la] command and you will be able to see dovecot.index file here.
dovecot.index is corrupted and causing the issue.
Step 4: Now rename it by running the following command.
mv dovecot.index dovecot.index-badcopy
Once done, relogin into the webmail interface, your webmail systems should work fine now. 🙂
NOTE: Webmail creates this file automatically on login.
Feel free to write a comment on this.
My name is Shashank Shekhar. I am a DevOps Engineer, currently working in one of the best companies in India. I am having around 5 years of experience in Linux Server Administration and DevOps tools.
I love to work in Linux environment & love learning new things.
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