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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: user2@recipient.com SMTP error from remote mail server after...
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...
Tired of Drupal admin access denied error? Here’s how to fix it
For as long as Drupal has existed, users have seen this error one time or the other: Access denied You are not authorized to access this page. It might have appeared after a site migration, a server update or for no reason at all. Drupal admins won't be able to login...
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 Server Support services for web hosting providers. Hosting users...
5 causes for “503 failure of data connection” FTP error and how to fix them
Errors can be frustrating, especially if they are cryptic, like this: Response: 150 opening data connection Response: 503 Failure of data connection. You know that the connection has failed (obviously!), but where? Here at Bobcares.com, we help Web hosts, VPS users...
Error “550 xxxx is not allowed to send mail from” – 3 Causes and Fixes
Bobcares.com provides Outsourced Hosting Support to Web hosts and other hosting providers. And as part of our services, we resolve technical support queries posted by hosting users. A common email bounce error we see in support requests is: This is an SMTP server at...
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