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FREE TOOL Email Deliverability & Spam Score Checker Deliverability Checker • Test SPF, DKIM, DMARC & SpamAssassin
MTA Relay: <750ms | 99.99% Uptime
Engineering Blog Support
Direct Engineering Support

Contact Engineering & Sales

Connect directly with deliverability architects and SMTP infrastructure engineers. Average first-response SLA is under 2 hours, 24/7/365.

<2h Response SLA 100% In-House Engineers 99.99% MTA Uptime SOC 2 & RFC Compliant
< 2h SLA

Technical & API Support

Assistance with SMTP port 587 TLS handshakes, PHPMailer / Nodemailer SDKs, webhooks, and rate limits.

support@photonconsole.com
Same-Day Reply

Enterprise & High-Volume

Sending over 1,000,000 emails/month? Custom volume rates, dedicated IP warmup orchestration, and custom MSAs.

sales@photonconsole.com
24/7 Monitored

Deliverability & Abuse Desk

SPF, DKIM, and DMARC alignment validation, Google & Yahoo 2024 compliance, and domain reputation diagnostics.

abuse@photonconsole.com
Technical Guidance

Direct Access to Deliverability Architects

Whether evaluating a seamless migration from SendGrid or Amazon SES, troubleshooting SPF/DKIM authentication, or scaling past 10,000,000 monthly transactions, our engineers provide transparent, code-level guidance.

Zero Vendor Lock-In

First 5,000 emails/month free forever, followed by a flat $0.50/1k. No rigid tiers, no expiring credits.

Sub-Second OTP Latency

Global Anycast edge routing ensures transactional password resets and alerts land in under 750ms.

Zero Body Payload Retention

Strict in-memory relay queue. Message bodies are transmitted directly and never retained on disk.

Drop-In RFC 5321 Compatibility

Switch from SendGrid, Mailgun, or AWS SES in 5 minutes by updating 3 environment variables in your .env.

Global Edge Nodes: All Operational
99.99% Uptime
US-East (N. Virginia) EU-Central (Frankfurt) AP-South (Singapore / Mumbai)

Send a Message to Engineering

Fill out the details below and an email infrastructure specialist will review your setup within 2 hours.

We respect your privacy. No spam, no aggressive sales follow-ups.
Help & Guidance

Frequently Asked Questions

Everything you need to know about contacting our team, onboarding, and enterprise deliverability SLAs.

All support inquiries are handled by real infrastructure and deliverability engineers. Standard inquiries receive a detailed technical response within 2 hours. Sev-1 delivery issues and enterprise accounts have 24/7/365 priority pager escalation.

Yes. We provide complete technical migration support with zero downtime. Because PhotonRelay is 100% compliant with standard RFC 5321 SMTP, migration typically requires only updating your host to smtp.photonrelay.com, verifying your domain DNS records (SPF, DKIM, DMARC), and generating API keys.

We recommend dedicated IP pools for senders consistently dispatching over 100,000 transactional emails per month. Our engineers manage automated IP warming schedules to establish high sender scores across Google, Microsoft, and Yahoo without delivery throttles.

Yes. For enterprise organizations dispatching more than 5,000,000 emails per month, we provide customized Master Services Agreements (MSAs), contractual 99.99% uptime SLAs with service credits, custom billing schedules, and compliance documentation.