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Roundcube empty startup greeting – Quick fix!

by | Feb 25, 2021

Received an error ‘Roundcube empty startup greeting’ while using Roundcube? We can help you fix it.

Normally, this error occurs if the SSL is not configured properly. Also, it may occur due to network or firewall problem as well.

Here at Bobcares, we often receive requests to fix Roundcube errors as a part of our Server Management Services.

Today, let’s see how our Support Engineers troubleshoot and fix this error


What causes Roundcube empty startup greeting to occur?

There are many different reasons for this error to occur. Let’s take a glimpse into the causes and discuss about it.


1. SSL configuration

Normally, many customers enable SSL on the website and also wish to use a secure connection while accessing the emails as well.

They do configure the email server with SSL settings. But unfortunately, the configuration will have some sort of error due to which the emails don’t work.


2. Firewall

This is one of the common causes of many problems to erupt. If there is any firewall setup on the server then there may be chances that it is blocking the email server access and simply throw an error.

So, for testing purpose, we can disable the firewall and test if the emails are working well.


3. Network problem

Network also plays an important role in the working of emails.

If there is an error in the network then the emails will end up with errors. So it is best to check the network to be working well.


How we fix Roundcube empty startup greeting?

Having a decade of experience in managing servers, our Dedicated Engineers are familiar with the Roundcube errors. Now, let’s discuss how our Support Engineers fix this error.

Recently, one of our customers approached us with the below error message while

IMAP Error in /usr/share/roundcubemail/program/lib/Roundcube/rcube_imap.php (196): Login failed for from {ip_addr}. Empty startup greeting (

So, our Support Engineers suggested to update the below in the file:

$config['default_host'] = 'tls://';


$config['default_host'] = 'ssl://';

Finally, this fixed the error.

[Need any assistance with Roundcube errors? – We’ll help you]



In short, the Roundcube empty startup greeting error occurs due to many reasons which include improper configuration of SSL, network problem, firewall error and many more. Today, we saw how our Support Engineers fix it.


Never again lose customers to poor server speed! Let us help you.

Our server experts will monitor & maintain your server 24/7 so that it remains lightning fast and secure.


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