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emergency support


How to fix “554 Too many recipients” email error

Here at Bobcares.com, we provide Outsourced Tech Support to web hosting providers. As part of our service, we resolve email errors posted by hosting users.

A common email bounce error we see in VPS and Shared servers is:

The rejected e-mail address was 'user@domain.com'. Subject 'My mail subject', Server Error: 554, Server Response: 554 Too many recipients, Server: 'mx.sender.com', Windows Live Mail Error ID: 0x800CCC79, Protocol: SMTP, Port: 587, Secure(SSL): No

This error is seen when people attempt to send group mails with a large CC or BCC list. (more…)

How to fix Mutagen Astronomy vulnerability (CVE-2018-14634 bug) in RedHat, CentOS, Debian & Ubuntu servers

On Sep 25th, security researcher Qualys disclosed a new Linux Kernel vulnerability dubbed Mutagen Astronomy (CVE-2018-14634) that allows attackers to gain administrator (root) privileges in unpatched Linux servers.

Here at Bobcares.com, we maintain servers of web hosts and other online businesses as part of our Server Management Services. In this service we detect emerging threats and proactively patch the servers to prevent security exploits. (more…)

10 uncommon causes for Apache CGI Internal Server Error, and how to fix them

Apache’s CGI mode allows webmaster’s to reduce memory usage. It is the preferred way to run many low traffic websites.

But the CGI mode is pretty sensitive to things such as permissions and file encoding, that leads to 500 Internal Server Error. (more…)

How to fix error in Mysql “tablespace is missing for table XXXXX”

Here at Bobcares, our Hosting Support Engineers monitor & maintain servers of web hosts, digital marketers and other online businesses.

A vast majority of these servers use MySQL as the database server, and a common error seen in them is:

1812 Tablespace is missing for table XXXX

(more…)

How to clear config cache in Laravel using Artisan

Many Laravel site users come across the dreaded “Whoops, looks like something went wrong.” error message when mirgating or upgrading their site or software.

Laravel error message (more…)