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cPanel logs locations for Web, Mail, FTP, WHM and MySQL services
cPanel logs provide a goldmine of information to quickly resolve various customer issues and server errors. Here's a list of the cPanel logs most commonly used by our expert server administrators, and the commonly sought information in them. cPanel mail logs - SMTP...
Are your cPanel/WHM or Plesk servers infected with CryptoPHP?
CryptoPHP is a well developed backdoor malware that is spread through themes for popular CMS like WordPress, Joomla and Drupal, etc. It runs a bot in your server, and allows remote control for the attacker controlling the botnet. The attacker can then use your server...
What causes “Sender verify failed” SMTP mail error, and how to resolve it in ISPConfig Postfix servers
SMTP error from remote mail server after RCPT TO:<user2@domain2.com>: host mx.server.com [xxx.xxx.xxx.xxx]: 550-Verification failed for <user1@domain1.com> 550-The mail server could not deliver mail to user1@domain1.com. The account ordomain may not exist,...
What causes “Sender verify failed” SMTP mail error, and how to resolve it in ZPanel Postfix servers
SMTP error from remote mail server after RCPT TO:<user2@domain2.com>: host mx.server.com [xxx.xxx.xxx.xxx]: 550-Verification failed for <user1@domain1.com> 550-The mail server could not deliver mail to user1@domain1.com. The account ordomain may not exist,...
What causes “Sender verify failed” SMTP mail error, and how to resolve it in Webmin/Virtualmin Postfix servers
SMTP error from remote mail server after RCPT TO:<user2@domain2.com>: host mx.server.com [xxx.xxx.xxx.xxx]: 550-Verification failed for <user1@domain1.com> 550-The mail server could not deliver mail to user1@domain1.com. The account ordomain may not exist,...
What causes “Sender verify failed” SMTP mail error, and how to resolve it in Parallels Plesk Postfix servers
SMTP error from remote mail server after RCPT TO:<user2@domain2.com>: host mx.server.com [xxx.xxx.xxx.xxx]: 550-Verification failed for <user1@domain1.com> 550-The mail server could not deliver mail to user1@domain1.com. The account ordomain may not exist,...
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