I will deliver transactional & bulk email via API/SMTP — high inbox placement

by InboxRelay0(0)
I will deliver transactional & bulk email via API/SMTP — high inbox placementInstant

About this gig

Ship transactional and bulk email that actually lands in the inbox. I set up a production-grade send pipeline over API and SMTP — authenticated, warmed, and tuned for high inbox placement and reliable delivery at scale.

What you get

  • A working send path over both API and SMTP — drop-in REST endpoints plus standard SMTP relay credentials, so your app or cron job can send with whatever you already use (Node, Python, PHP, Ruby, Go, Laravel, Rails, WordPress, etc.).
  • Transactional + bulk on one pipeline — receipts, password resets, OTP/2FA codes, and order confirmations alongside newsletters and bulk campaigns, with sensible separation so marketing volume never poisons your transactional reputation.
  • Authentication done right — SPF, DKIM (signed with your domain), DMARC alignment, and a custom return-path. This is the single biggest lever for inbox placement, and I configure it with verified DNS records.
  • Domain & IP warmup — a graduated ramp schedule so mailbox providers (Gmail, Outlook, Yahoo, Apple) build trust gradually instead of flagging a cold sender.
  • Bounce, complaint & suppression handling — automatic suppression of hard bounces and spam complaints, plus webhooks for delivered, opened, clicked, and bounced events so your system stays clean.
  • Deliverability tuning — From/Reply-To setup, List-Unsubscribe (including one-click), proper headers, and a spam-score pass on your templates.
  • A short runbook — exactly how to send, monitor, and read your stats, handed over so you own the setup.

Plans

TierWhat's included
StarterSingle sending domain. API + SMTP wired up, SPF/DKIM/DMARC configured and verified, basic bounce + complaint suppression, and a quick-start guide. Ideal for transactional-only senders getting clean delivery fast.
GrowthEverything in Starter, plus domain/IP warmup schedule, full webhook event handling (delivered/open/click/bounce), List-Unsubscribe with one-click support, template spam-score review, and separated transactional vs. bulk streams.
ScaleEverything in Growth, plus dedicated-IP warmup, multi-domain/subdomain setup, higher-throughput batching and queue guidance, advanced DMARC reporting (aggregate/RUA), and a deliverability monitoring + seed-test pass across major mailbox providers.

How it works

  1. Order & intake — you share your sending domain, expected volume, mail type (transactional, bulk, or both), and your stack.
  2. DNS & auth setup — I generate SPF, DKIM, DMARC, and return-path records; you add them (or grant access), and I verify alignment.
  3. Pipeline wiring — API keys and SMTP credentials are provisioned and tested with a live send from your environment.
  4. Warmup & streams — I apply a warmup ramp and split transactional from bulk so reputations stay isolated.
  5. Webhooks & suppression — event webhooks and bounce/complaint suppression are connected to your app or a simple endpoint.
  6. Test & seed — inbox-placement test sends across Gmail, Outlook, Yahoo, and Apple, with template fixes where needed.
  7. Handover — credentials, the runbook, and monitoring notes are delivered so you can send confidently on day one.

Why choose this

  • Inbox placement is the whole point. Anyone can hand you an API key — I focus on authentication, alignment, and warmup, the things that decide whether mail lands in the inbox or the spam folder.
  • Both API and SMTP, not one or the other. You're never boxed into a single integration path.
  • Transactional reputation is protected. Bulk sends are deliberately separated so a campaign can't delay a password-reset email.
  • Standards-correct and compliant — one-click unsubscribe, DMARC, and suppression handling matched to current Gmail/Yahoo bulk-sender requirements.
  • You own the setup. Verified DNS, clear docs, and a runbook — no black box you can't maintain.

Who it's for / use cases

  • SaaS founders who need reliable OTP, password-reset, and receipt emails that never get lost.
  • E-commerce stores sending order confirmations and shipping updates plus periodic promo campaigns.
  • Indie developers wiring email into a new app and wanting it done right the first time.
  • Agencies standing up client newsletters without deliverability surprises.
  • Teams migrating off a flaky provider or a self-hosted server that keeps landing in spam.

FAQ

Q: Do you support both transactional and bulk email? Yes — both run on one configured pipeline, with transactional and bulk streams kept separate to protect your reputation.
Q: API or SMTP? Both. You get REST API endpoints and standard SMTP relay credentials, so you can use whichever fits your stack.
Q: Will my email actually reach the inbox? I configure SPF, DKIM, DMARC, return-path, and warmup — the factors that drive placement — and run seed tests. No one can guarantee 100%, but this targets high inbox placement.
Q: Do I need my own domain? Yes, a domain you control is required so DKIM/DMARC can be aligned and DNS records added.
Q: Can you fix emails that keep going to spam? Yes — diagnosing and repairing authentication, alignment, and reputation issues is a core use case.
Q: Do you handle bounces and unsubscribes? Yes — automatic suppression of bounces and complaints, plus List-Unsubscribe with one-click support.
Q: What about Gmail and Yahoo's bulk-sender rules? The setup meets current requirements: authentication, one-click unsubscribe, and low spam-complaint hygiene.
Q: Which languages and frameworks work? Any that can call HTTP or send SMTP — Node, Python, PHP, Ruby, Go, Java, Laravel, Rails, WordPress, and more.

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