Email delivery

2 hours ago


Delhi, India Clearlight Insights Full time

Clearlight Insights is hiring a highly technical Email Delivery & Infrastructure Specialist with deep expertise in domain authentication, deliverability engineering, and cold outreach infrastructure. This role requires hands-on experience managing complex sending environments and protecting domain reputation across multiple channels and platforms.Role OverviewYou will own the entire email delivery stack for Clearlight Insights - from DNS configuration and warm-up systems to deliverability monitoring, de-risking cold outreach, and troubleshooting server-level issues. You will be responsible for ensuring our communications consistently reach inboxes globally.Core Responsibilities1. Domain, DNS & Authentication Management- Configure and maintain SPF, DKIM, DMARC (strict enforcement), BIMI, ARC, and MTA-STS.- Build secure DNS architecture for multiple sending domains and subdomains.- Implement proper alignment policies and continuously validate authentication performance.- Perform DNS audits, propagation testing, and record integrity checks.2. Deliverability Engineering & Diagnostics- Diagnose inbox placement issues using tools like Glock Apps, Postmark, Warmup Inbox, Mail-Tester, MXToolbox, Zero Bounce, and Google Postmaster Tools.- Investigate bounce codes, spam triggers, blocklist issues, and MTA response errors.- Monitor and maintain domain/IP reputation across major ISPs (Microsoft, Google, Yahoo, i Cloud, corporate firewalls).- Identify deliverability degradation early and execute recovery plans.3. Email Server & Hosting Infrastructure- Manage and troubleshoot email routing, SMTP servers, and hosting environments.- Set up and manage custom sending environments (Google Workspace + additional SMTP relays).- Configure warming schedules and volume ramp-ups for new domains.- Liaise with hosting providers when server or DNS-level issues occur.4. Cold Outreach System Setup & Compliance- Build and optimize multi-domain cold email setups (emphasis on high deliverability and low risk).- Implement send-limit management, throttling rules, rotation across mailboxes, and A/B infrastructure setups.- Ensure compliance with CAN-SPAM, GDPR, and domain protection policies.- Integrate and monitor platforms such as Instantly, Apollo, Lemlist, Reply.io, etc.5. Monitoring, Reporting & Optimisation- Maintain dashboards for spam rate, open rate, domain reputation, and deliverability signals.- Produce weekly technical reports on domain health and sending performance.- Proactively recommend system-level improvements.Required Experience- 5+ years of hands-on, technical experience in email deliverability, DNS management, and server-level troubleshooting.- Deep understanding of MTA behaviour, SMTP protocols, ESP routing, and IP/domain reputation systems.- Strong experience managing cold outreach infrastructure with multiple sending domains.- Prior work with: Google Postmaster Tools, Microsoft SNDS, SPF/DKIM/DMARC setup tools, Sending platforms (GSuite, SMTP providers, cold email tools), Deliverability monitoring tools- Ability to debug and resolve complex domain-level and ISP-level issues.- Experience supporting distributed teams or agencies is preferred.


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