Knowledge base

Script editor

• Editor overview
• Custom fields controls for CSV files

Cluster management

• Replace a node in the cluster
• Create a new cluster
• Add a new node to a cluster
• Add overrides to a cluster configuration

System management

• Add a new IP address
• Enable root login
• Perform a software update

Configuration management

• Rollback to a previous configuration revision
• Implement static queue policy (replace CurrentConnections)
• Sending bounces
• Live staging a configuration change
• Deploy a configuration change
• Compare two revisions

See all 8 articles

Security and encryption

• Use required TLS for inbound and outbound
• Install TLS certificate for SMTP, HTTPS, and FTPS
• Authenticate clients using X.509 certificates
• Implement a custom SASL authentication mechanism

Email processing

• Rate limiting
• Delivery
• How to deliver using LMTP
• How to query a REST API effectively
• How to implement recipient filtering
• HAProxy for shared IP outbound

See all 14 articles

Anti-spam and anti-virus

• SpamAssassin
• SPF
• Implement YARA rules with ClamAV
• Change SpamAssassin parameter value
• Report false-positive/false-negative mails

Log management

• Remote logging to Elasticsearch
• Remote syslog to Logstash

Recovery management

• Recovery methods
• Factory reset

Integration

• Scripted routing
• Host a custom API service on the Halon integrated (VM) package
• cPanel
• WHMCS

Signing and validation

• Deploying DMARC
• Signing with S/MIME
• Signing with BATV
• Signing with DKIM

Operations management

• How to build custom graphs
• Monitoring with Slack
• Monitoring with SNMP
• Use search filters