Hiring an experienced professional to install MailWizz or Acelle, configure SMTP integration, and deliver strong, reliable email deliverability. Requirements: - Install & configure MailWizz or Acelle - Set up SMTP (Postfix, Exim, or PowerMTA) - Configure SPF, DKIM, DMARC, rDNS - Integrate SMTP with mailing app and perform delivery tests - Optimize inbox placement and overall sending performance - Strong expertise in SMTP/MTA configuration, DNS authentication, and deliverability management