Sabo Nagy
Founder & CEO
Has built email infrastructure serving 1M+ inboxes across 1,500 clients. Specializes in email infrastructure strictly for high-volume cold outreach.
MailDeck · Enterprise Email Infrastructure
15 Best Cold Email Agencies in 2026
Independent comparison of the 15 best cold email agencies with real pricing data ($1,900-$15,000/month), evaluation criteria, and red flags to avoid. Based on i...
Best Cold Email Software for Founders: 8 Tools Compared by Stage [2026 Data]
We manage 833K+ inboxes connected to every major cold email sequencer. Here's which tool works at each founder stage, what it actually costs with infrastructure...
Best Email Warm Up Tools in 2026 (And What to Use Instead)
Comparison of 10 email warm-up tools with pricing, pros, and cons. Data from 650K+ inboxes shows proper warm-up delivers 11% higher inbox placement. Full breakd...
Cold Email Cost Per Lead and Cost Per Meeting: 2026 Benchmarks
Cold email costs $21-$164 per lead and $53-$392 per meeting depending on infrastructure and volume. Full calculator with MailDeck platform data from 833K+ inbox...
Cold Email Infrastructure Cost: 2026 Pricing Comparison Across 11 Providers
We analyzed pricing of 11 cold email infrastructure providers at 100, 500, 1,000 and 5,000 inbox scale. Full cost breakdown with per-inbox rates.
Cold Email Cost Breakdown: The 5 Invoices Behind Every Campaign
Your $37/mo cold email tool actually costs $300-$1,100/mo. We break down all 5 cost layers with 2026 pricing data from 833K+ managed inboxes: inboxes, sequencer...
Cold Email vs Hiring an SDR: Full Cost and ROI Comparison [2026 Data]
A fully loaded SDR costs $102K-$210K/year. Cold email infrastructure starts at $99/month and books meetings at 1/18th the cost per meeting. Full breakdown with ...
How Many Inboxes Do You Actually Need? Data from 500+ Cold Email Campaigns
5 emails per Outlook inbox per day. That's the rule for Microsoft 365. We break down exactly how many inboxes you need for 10K, 50K, 100K, and 1M+ emails/month ...
How to Start a Cold Email Agency in 2026
Step-by-step guide to launching a cold email agency with real cost breakdowns at 100K sends/client average. Infrastructure costs: $200-$3,500/month on MailDeck ...