Powermta Configuration Guide -

Configure the port through which your application or mailer (like MailWizz or Mumara ) will send messages: : Preferred for modern authenticated SMTP.

More specific blocks override general ones. powermta configuration guide

net.ipv4.ip_local_port_range = 1024 65535 net.core.rmem_max = 134217728 net.core.wmem_max = 134217728 net.ipv4.tcp_rmem = 4096 87380 134217728 net.ipv4.tcp_wmem = 4096 65536 134217728 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_fin_timeout = 30 Configure the port through which your application or

process-user pmta process-group pmta

<source 203.0.113.10> virtual-mta marketing max-smtp-out 200 use-starttls yes </source> powermta configuration guide