Sample: Powermta Configuration File Hot

# Mailbox settings mailbox "/var/mail/%d/%u" format = "mbox"

acct-file /var/log/pmta/acct.csv record b,r move-interval 5m delete-after 30d record-fields time,tstamp,dsn,envFrom,envTo,reason,vmta,ip,sender,rcpt,size,status

<queue outbound> max-size 10G temp-fail-retry 300 temp-fail-interval 600 temp-fail-retries 6 </queue> sample powermta configuration file hot

Removes IP information from email headers to protect privacy, often used to prevent internal IP exposure. Steps to Apply

<!-- Catch-all for smaller domains --> <domain default> max-msg-rate 200/s max-smtp-out 50 bounce-after 4d retry-after 30m </domain> # Mailbox settings mailbox "/var/mail/%d/%u" format = "mbox"

| Command | Purpose | | --- | --- | | pmta reload | Reload configuration without stopping | | | service pmta restart | Full restart (use only when necessary) | | | pmta show queues | Display queue status and stuck messages | | | pmta pause queue domain.com/* | Suspend delivery to a specific domain | | | pmta show vmtas | Monitor all Virtual MTA statuses | | | pmtad --debug | Run in debug mode for troubleshooting | |

: Reduces the time dead or deferred mail sits in your queue. For hot traffic, keeping transient mail in the spool for more than 48 hours wastes server resources. : Before restarting the service, run pmtad --check-config

: Before restarting the service, run pmtad --check-config via your command line to catch any syntax errors or missing paths.