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Email Deliverability Audit
Comprehensive analysis of your infrastructure, authentication, sending reputation, content quality, and list hygiene. Delivered as a PDF report with prioritized action items.
Learn more →⭐ Top-Rated Upwork Freelancer · 5.0 Rating
Hire Email Deliverability Consultant Sandeep Saxena on Upwork
Looking to hire an email deliverability consultant on Upwork? Sandeep Saxena brings 10+ years of hands-on expertise trusted by 500+ clients worldwide - for inbox placement, cold email infrastructure, SPF/DKIM/DMARC, and full-stack deliverability audits.
10+Years Experience
500+Clients Served
100M+Emails Delivered
5.0★Upwork Rating
Why Clients Hire Sandeep Saxena as Their Email Deliverability Consultant
Sandeep is a senior email deliverability and email marketing consultant with over 10 years of hands-on experience. He has worked with large corporations, lead generation agencies, ISPs, ESPs, affiliate marketers, and companies building in-house email delivery infrastructure or lead generation teams.
Before founding Postbox Consultancy Services, Sandeep spent nearly a decade in IT as a DevOps consultant - giving him a deep technical foundation that lets him go beyond surface-level fixes and tackle the root causes of deliverability problems.
"Deliverability and email marketing aren't just my expertise - they are my passion. I stay at the forefront of industry trends, constantly refining my skills to deliver the best outcomes for my clients."
Whether you need an emergency fix for a blacklisting issue, a full email deliverability audit, or ongoing retainer support, Sandeep brings the technical depth and strategic thinking your email program needs. Upwork clients span the USA, Europe, and Asia - from SaaS startups to enterprise marketing teams. Every engagement is built on honest analysis, practical solutions, and measurable results.
Hire an Email Deliverability Consultant for These Services on Upwork
From one-time audits to ongoing consulting - every engagement is tailored to your email infrastructure and goals.
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Cold Email Infrastructure Setup
End-to-end setup including domain configuration, mailbox setup, DNS records, warmup strategy, sending tool selection, and deliverability best practices implementation.
See cold email services →🔐
SPF, DKIM & DMARC Setup
Correct configuration of all three email authentication protocols to protect your domain from spoofing and meet modern mailbox provider requirements.
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Deliverability Consulting & Retainer
Ongoing monitoring, strategy, and optimization for teams that need continuous expert oversight. Ideal for in-house email teams and ESPs who want external expertise without hiring full-time.
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Large-Scale MTA Infrastructure
Architecture and setup of high-volume email delivery infrastructure. From ISPs and ESPs to enterprises sending millions of emails daily - designed for scale, reliability, and inbox placement.
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Email Campaign Management
Full campaign management from list development and segmentation to content review, sending execution, and performance analysis. Covers cold email and email marketing campaigns.
What Clients Say About Hiring Sandeep as Their Deliverability Consultant
All reviews from verified Upwork engagements. 5.0 rating maintained consistently across all contracts.
★★★★★
"Sandeep is always the best. Fast, gets it done quickly, responsive and KNOWS what he is doing!"
C
★★★★★
"Sandeep has delivered exceptionally well the task on hand for my email deliverability. He's on top of his game and very competent in the work he does."
M
★★★★★
"Sandeep was terrific and we look forward to working with him in the future. He did just what we needed and had some great insights."
J
★★★★★
"Really appreciate Sandeep's flexibility and readiness to help. He's on top of his game and very competent in the work he does."
A
★★★★★
"Sandeep is extremely knowledgeable and professional. He helped us fix our email deliverability by going deep to the root cause and following best practices."
R
★★★★★
Perfect score on Upwork
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Payment Protection
Escrow-based system ensures you only pay for work that meets your standards.
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Verified Identity
ID-verified profile with a transparent history of completed contracts and reviews.
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Contract Flexibility
Hourly or fixed-price contracts - scale from a one-time audit to an ongoing retainer.
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Built-in Communication
Messaging, video calls, and file sharing all in one place for seamless collaboration.
How to Hire an Email Deliverability Consultant on Upwork - Your Questions Answered
How do I hire an email deliverability consultant on Upwork?
Visit Sandeep's Upwork profile, click "Hire" or "Message" to start a conversation. Describe your email deliverability challenges and agree on scope before starting a contract.
What is email deliverability and why does it matter?
Email deliverability is the ability of your emails to reach the inbox rather than spam. Poor deliverability means lost revenue, reduced campaign effectiveness, and damaged domain reputation.
What does an email deliverability audit include?
A deliverability audit covers SPF, DKIM, DMARC, IP and domain reputation, blacklist checks, content analysis, list hygiene, and ESP configuration - delivered as a PDF with short and long-term remediation steps.
Can Sandeep work alongside my in-house email team?
Absolutely. Sandeep frequently works as an external consultant helping in-house teams manage email delivery themselves - providing strategy, reviewing configurations, and training your team without taking over your systems.
Does Sandeep offer ongoing email deliverability retainer services?
Yes. Retainer engagements are available on Upwork and directly through Postbox Services - ideal for companies needing continuous monitoring, strategic guidance, and rapid-response support for deliverability issues.
What industries and client types has Sandeep worked with?
Sandeep has worked with large corporations, SaaS companies, lead generation agencies, ISPs, ESPs, affiliate marketers, and B2B sales teams across the USA, Europe, and Asia.
Free Resources from Your Email Deliverability Consultant
Expert guides written by Sandeep to help you understand the fundamentals before your engagement.
📘 Guide
What is Email Deliverability?
A comprehensive introduction - what it means, why it matters, and how inbox placement actually works.
🔍 Deep Dive
What is an Email Deliverability Audit?
Learn what a professional audit covers, how it identifies issues, and what outcomes it delivers for your email program.
Hire Email Deliverability Consultant Sandeep Saxena on Upwork Today
Join 500+ clients who've achieved inbox placement, fixed authentication issues, and built reliable cold email infrastructure with expert guidance.