How to solve ERROR: Connection dropped by imap server Query: SELECT "INBOX" in Webmail


The Errors and its solution:

ERROR is as shown below :

Connection dropped by IMAP server Query: SELECT "INBOX"


You get this above error gets when the dovecot indexes are corrupted. To fix this simply purge the indexes


The exact error message could be obtained by using below command -


tail - f /var/log/maillog


"Error: broken sync positions in index file /home/user/mail/" and "Warning:fscking index file /home/user/mail/"


Here is the Solution


Solution 1:  Delete all files named "dovecot" in the path "/home/cpanel_username/mail/" using :


                   rm -f dovecot*



Solution 2:  You can simply rename the dovecot.index page as:


                       mv dovecot.index dovecot.index_bk


Solution 3: At times you might face this error if when the user exceeds the Quota so you try solving this error by increasing the email quota.

In this pages, we will discuss about How to solve ERROR: Connection dropped by IMAP server Query: SELECT "INBOX" which is shown below, before that let us understand what is webmail and IMAP protocol.

Error in webmail

What is Webmail?

Webmail is an email system, w


Steps for logging into webmail.

Step 1: Use Be sure to replace with your actual domain name, eg if your cheap domain name is then you need to use

You can  also use the below

For secure access

https://ServerIP:2096 - Access your Webmail with https and your IP address - Access your Webmail with https and your domain name

For insecure access:

http://ServerIP:2095 - with http and your IP address. - Access your Webmail with http and your domain and hosting


Step 2: Enter your username and password and then click ok. Enter your full email address all in lowercase.

Step 3: Then click on login


Examples of webmail software are Roundcube and SquirrelMail and Horde.

What is Roundcube?

Roundcube is a multilingual IMAP client which is web-based with an application-like user interface. Roundcube is a free and open-source software where clients log in and view, send and reply to emails.


What is SquirrelMail?

SquirrelMail is open Source webmail with a full-featured e-mail application. SquirrelMail offers Imap proxy and email application at once. Where users can use mail service to send and receive emails.


What is Horde.?

Horde is a Groupware Webmail Edition is a free, enterprise-ready. web-based communication. where users can send, read and organize email messages and share and manage - contacts, tasks, notes, files and bookmarks with the standards compliant components from the Horde.


What's the difference between RoundCube, Horde, and SquirrelMail?

  • RoundCube, Horde, and SquirrelMail this are three webmail available applications to everyone. Each of them has the same login page. with different interface and features but they all access the same mailbox.
  • Horde may have the most features: a phone device interface; calendar and task organizer, custom filters; along with the ability to share content with others.
  • RoundCube and SquirrelMail are more streamlined with few of the features and both are easy to use. We encourage our clients to work with each application and find that one that suits their needs.


What is IMAP?

IMAP is an Internet Message Access Protocol. which is used by e-mail clients to get the messages from the mail server over a TCP/IP connection In other words IMAP is basically an internet mail protocol which is used for accessing email on a remote web server from a local client. It is commonly used for retrieving emails it is supported by all modern email clients and web servers.IMAP also allows simultaneous access for multiple clients hence IMAP configuration is suitable when you are planning to use email from different locations/devices or if it email is managed by multiple users

The IMAP -internet mail protocol works on two ports by default :

  • Port 143 -  it is default IMAP non-encrypted port
  • Port 993 - it is default IMAP encrypted port - used when  you need to connect using IMAP securely

If you need any assistance, feel free to contact our technical team members as they are available 24/7 via phone call, chat, ticket system.