This short guide will help you find potentially hacked files easily and fast, via linux ssh command line. No more editing files one by one hoping to find the hacked ones manually. Continue reading…
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A common problem, especially after migrating to a different system (for example from Plesk to cPanel or Cwp) is that sometimes emails do not appear correctly at Roundcube. This happens because the dovecot index files are not correct or have wrong permissions. Continue reading…
550 Access denied – Invalid HELO name (See RFC5321 4.1.1.1) is a very common problem when sending emails from webmail (Roundcube, Horde etc) or via SMTP.
The solution is very simple. Continue reading…
A usual email rejection message is becoming more and more frequent. Our system has detected that this message does 550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and 550-5.7.1 authentication. Please review 550-5.7.1. Continue reading…
A very serious exploit was discovered recently. It affects the most used mailing script in the world, PHPMailer. The exploit allows the potential abuser to execute commands and use malicious code. It affects almost every website online, since it is the most used script to send emails in WordPress, Joomla, Drupal, CS Cart and almost every popular website script. Continue reading…