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I will fix your email deliverability, audit and configuration

S
sephyi
S
sephyi
Sephyi

About this gig

Are your emails landing in spam or getting rejected? I'll find out exactly why and fix it.


I run a full mail transfer audit checking your SPF, DKIM, DMARC, rDNS/PTR records, blacklist status, mail server headers, and authentication chain. You get a clear written report showing what's wrong and what to do about it. With Standard and Premium tiers, I apply all fixes directly so you don't have to touch anything yourself.


I've been building and managing mail infrastructure for over a decade from cPanel/Plesk setups to custom Postfix and Stalwart deployments. I work with any provider: Cloudflare, Hetzner, AWS SES, Google Workspace, Microsoft 365, OVH, or your own dedicated server. Typical turnaround is 24-48 hours.

Get to know Sephyi

Sephyi

Senior Infrastructure and Security Engineer

  • FromGermany
  • Member sinceJan 2022
  • Avg. response time1 hour
  • Languages

    German, English
I build, harden, and maintain Linux infrastructure — securely, documented, automatable. 10+ years across Debian, RHEL, Arch, FreeBSD. Proxmox (KVM/LXC) with ZFS, full-disk encryption with remote unlock, WireGuard mesh, nftables, hardened mail (Stalwart, Postfix, DKIM/DMARC/SPF), DNS/DNSSEC, CI/CD. Rare combo: I write firewall rules AND read regulations — GDPR, NIS2, EU AI Act, BDSG. Also ship production code: Rust for systems, TypeScript/SvelteKit for web. Built a VW Group automation tool that cut errors to zero. Germany-based. EN/DE. IHK-certified IT Systems Engineer.