Create SMTP user in PowerMTA

Once you have PowerMTA installed, you need to create SMTP user. To create an SMTP user, edit file

vi /etc/pmta/config

1	vi /etc/pmta/config

Find

#<smtp-user API>
#    password "changeme"
#</smtp-user>

#<smtp-user API>

# password "changeme"

#</smtp-user>

Add below

<smtp-user SMTP_USERNAME_HERE>
    password "SMTP_PASSWORD_HERE"
    source {smtpuser-auth}
</smtp-user>

<source {smtpuser-auth}>
    smtp-service yes
    always-allow-relaying yes
    require-auth true
    process-x-virtual-mta yes
    default-virtual-mta vmta-1
    remove-received-headers true
    #add-received-headers false
    hide-message-source true
</source>

<virtual-mta vmta-1>
    #smtp-source-host 79.137.44.176 smtp1.serverok.in
    #domain-key default,smtp1.serverok.in,/etc/pmta/default.smtp1.serverok.in.pem
    <domain *>
    max-msg-rate 100/h
    </domain>
</virtual-mta>

<smtp-user SMTP_USERNAME_HERE>

password "SMTP_PASSWORD_HERE"

source {smtpuser-auth}

</smtp-user>

smtp-service yes

always-allow-relaying yes

require-auth true

process-x-virtual-mta yes

default-virtual-mta vmta-1

remove-received-headers true

#add-received-headers false

hide-message-source true

</source>

<virtual-mta vmta-1>

#smtp-source-host 79.137.44.176 smtp1.serverok.in

#domain-key default,smtp1.serverok.in,/etc/pmta/default.smtp1.serverok.in.pem

max-msg-rate 100/h

</domain>

</virtual-mta>

In above code, replace SMTP_USERNAME_HERE and SMTP_PASSWORD_HERE with SMTP username and password you need.

in vmta-1, domain-key line that is commented out is used to Enable DKIM signing of out going emails.

Resatrt PowerMTA

systemctl restart pmta

1	systemctl restart pmta

See PowerMTA

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