---
title: "Sabo Nagy — EmailShield"
description: "Has built email infrastructure serving 1M+ inboxes across 1,500 clients. Specializes in email infrastructure strictly for high-volume cold outreach."
canonical: "https://emailshield.co/authors/sabo-nagy"
last-updated: "2026-08-22"
---

> Has built email infrastructure serving 1M+ inboxes across 1,500 clients. Specializes in email infrastructure strictly for high-volume cold outreach.

EmailShield [EmailShield](https://emailshield.co/)

Sabo Nagy

Author

# Sabo Nagy

Founder & CEO

[X / Twitter](https://x.com/dealprinter)

Has built email infrastructure serving 1M+ inboxes across 1,500 clients. Specializes in email infrastructure strictly for high-volume cold outreach.

## Articles by Sabo

### [Email Bounce Rate: Acceptable Thresholds, Real Causes, and Domain Reputation Recovery [2026 Outreach Guide]](https://emailshield.co/blog/email-bounce-rate)

[Acceptable email bounce rate is under 2%, with under 1% the real safe zone. Full breakdown of what kills bounce rate, why legacy verification tools miss 6-9% of bad addresses, and an 8-week domain reputation recovery playbook.](https://emailshield.co/blog/email-bounce-rate)

[July 7, 2026](https://emailshield.co/blog/email-bounce-rate)

### [Email Verification for Marketers: Protecting Deliverability, Reputation and Spend [2026]](https://emailshield.co/blog/email-verification-for-marketers)

[Email verification for marketers cuts campaign bounce rates from the 7% range to under 1% and cleans a 100,000-address list for $49 ($0.00049 per email). See the KB data, the cost math, and the workflow.](https://emailshield.co/blog/email-verification-for-marketers)

[July 11, 2026](https://emailshield.co/blog/email-verification-for-marketers)

### [Email Verification vs Validation: What Actually Gets Checked and Why It Matters [2026]](https://emailshield.co/blog/email-verification-vs-validation)

[Email validation checks format and DNS; email verification opens a live SMTP handshake to confirm the mailbox exists. Across 8.19M verified addresses, 22.3% of "validated" B2B emails are still dead. Here is the difference and which one your bounce rate depends on.](https://emailshield.co/blog/email-verification-vs-validation)

[July 13, 2026](https://emailshield.co/blog/email-verification-vs-validation)