Tag Archives: Plesk

Cannot sent message via webmail: “User unknown in virtual alias table”

If Postfix files are corrupted completely, or empty: Create a backup of the current configuration: ~# cp -Rp /var/spool/postfix/plesk /var/spool/postfix/plesk.backup Remove redundant records from the Postfix database: ~# cd /var/spool/postfix/plesk/ ~# for db_file in virtual virtual_domains ; do ls -1 –color=never /var/qmail/mailnames > /tmp/domains.txt hostname -f >> /tmp/domains.txt postmap -s /var/spool/postfix/plesk/$db_file > /tmp/${db_file}_temp grep -f …

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CSF/LFD firewall installation guide for Plesk

Config Server Firewall (csf) and Login Failure Daemon (lfd) is a robust firewall solution having Stateful Packet Inspection (SPI), Login/Intrusion Detection and Security application for Linux servers. Although it is more compatible with CPanel we have been able to use the same for the Plesk hosting control panel also and it is running fine. Please …

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