Download- — Powermta 5.0
</sources> <domain hotmail.com> max-smtp-out 10 dns 64.4.20.20 65.55.37.62 use-starttls force </domain> Logging (essential for delivery tracking) <acct-file /var/log/pmta/acct.csv> record "delivery" record "bounce" record "complaint" </acct-file> Management interface (API) <http-management> listen 0.0.0.0:8081 accept 127.0.0.1 allow-cidr 10.0.0.0/8 log-file /var/log/pmta/http-mgmt.log </http-management>
[Service] LimitNOFILE=1000000 Split traffic by sender domain: Powermta 5.0 Download-
| Software | Type | Cost | Ease of Use | Best For | | --- | --- | --- | --- | --- | | | Commercial | High ($3k+/yr) | Medium | ISPs, ESPs, 1M+/day | | Mailgun Optimize | SaaS | Pay-as-you-go | High | Startups, developers | | Postfix | Open Source | Free | Low (steep config) | Low to medium volume | | Haraka | Open Source (Node.js) | Free | Medium | Custom plugins | | Sendmail | Open Source | Free | Very Low | Legacy systems | </sources> <domain hotmail
# /etc/pmta/config <domain *> max-smtp-out 20 use-starttls yes require-starttls no dns-timeout 30 </domain> Source virtual MTA (pickup) <sources> source pickup process-x-forwarded-for yes concurrency 5 Logging (essential for delivery tracking) <