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cpanel error

WHM IP address missing? Here’s how to fix it

Many VPS or Dedicated server hosting companies now provide cPanel & WHM as their default server administration tool.

cPanel works well for most routine administration, however users come across bugs once in a while.

One such issue is websites not loading even after an account is created. (more…)

The domain already exists in the Apache configuration : Causes and Fix

Billing automation tools like “WHMCS” help Web Hosts to create and edit accounts in a jiffy.

But things like high server load, database connection errors etc. can cause WHMCS to fail which results in partial creation or removal of domains.

And such partial entries on the server can cause domain recreation to fail with the error :

“The domain “” already exists in the Apache configuration.” (more…)

How to fix “550-previous (cached) callout verification failure” email error

Spammers have made life difficult for us all.

These days even legitimate mails get snagged in the vast array of anti-spam defenses deployed by companies.

One such commonly misclassified anti-spam bounce is:
SMTP error from remote mail server after RCPT TO:<>:
host [x.x.x.x]: 550-Verification failed for <>
550-Previous (cached) callout verification failure
550 Sender verify failed


PHP mail function not working in cPanel – Causes and Fixes

PHP applications like WordPress, Joomla etc. send mail using a PHP feature (aka function) called “mail()”.

Hackers largely exploit the PHP mail function for spamming.

No wonder, Webhosting companies disable PHP mail function on the server as a rule of thumb.

This causes mail from applications like wordpress to fail with the following error.


2 causes for “550 REJECTED – Bad HELO – Host impersonating [DOMAIN]” & how to fix it

Mail errors. They hit you at your most vulnerable, and make you want to smash your laptop.

We know. Because we help website owners resolve email errors and other technical issues as part of our Outsourced Hosting Support services for web hosting providers.

Hosting users frustrated with cryptic email errors would submit a support request, and we’ll fix it for them in a few minutes.

Here’s an email bounce error we fixed recently in a Linux cPanel/WHM server: (more…)

How to fix “MySQL conflicts with file from package” error in cPanel

file /usr/share/mysql/dutch/errmsg.sys from install of MySQL56-server-5.6.39-1.cp1162.x86_64 conflicts with file from package mysql-community-common-5.7.22-1.el6.x86_64

This is a common error during cPanel update- ‘MySQL conflicts with file from package‘.

Being a provider of server support and maintenance service, solving such issues is all in a day’s work for us.

In today’s post, we’ll take a look at this update failure and how we resolve this for our customers. (more…)

Deprecated MySQL databases – How to fix this error in cPanel/WHM servers

Deprecated MySQL databases – How to fix this error in cPanel/WHM servers provides outsourced hosting support to web hosting companies. As part of our services, we regularly update applications and operating systems of web hosting servers to keep them secure.

When executing a control panel upgrade in some cPanel/WHM servers, an error regarding Deprecated MySQL databases is sent as a mail: (more…)

How to fix ‘Disk usage warning’ alerts in cPanel/WHM servers

At Bobcares, we provide outsourced technical support services for shared hosting companies. During this service span, we’ve resolved a multitude of server issues and errors.

One among the very common issues faced by cPanel/WHM server owners is getting this disk usage warning email:

The filesystem “/dev/sda6”, which is mounted at “/”, has reached “warn” status because it is 84.73% full.

Notification Type:
 warn ?



What causes SpamAssassin error “Use of uninitialized value in concatenation (.) or string” in cPanel/WHM servers

What causes SpamAssassin error “Use of uninitialized value in concatenation (.) or string” in cPanel/WHM servers

As an outsourced technical support provider for Shared Web Hosting Companies, we often encounter application errors and system faults. In the past couple of months, an error that’s often reported by cPanel/WHM users is:

Aug 17 00:25:24.450 [382682] warn: Use of uninitialized value in concatenation (.) or string at /usr/local/cpanel/3rdparty/perl/522/lib64/perl5/cpanel_lib/Mail/SpamAssassin/ line 3082.