Daniel Sanchez

CTO
Daniel leads the engineering and infrastructure behind The Forge, building resilient, scalable systems that power high-volume outbound without reliability tradeoffs.

Blog posts by Daniel Sanchez

Tutorials & Guides

DKIM, SPF, DMARC for CRM Emails

Configure SPF, DKIM, and DMARC for CRM systems to improve inbox delivery, prevent spoofing, and monitor DNS for authentication issues.
Daniel Sanchez
CTO
Tutorials & Guides

Cold Email Spam Complaints: Prevention Checklist

Protect your sender reputation with a 5-step cold email checklist: authenticate SPF/DKIM/DMARC, follow laws, clean lists, write non-spammy messages, and monitor metrics.
Daniel Sanchez
CTO
Tutorials & Guides

How Sender Reputation Impacts Cold Email Success

How domain/IP scores, SPF/DKIM/DMARC, list quality, warm-up and engagement affect cold email inbox placement and deliverability.
Daniel Sanchez
CTO
Tutorials & Guides

SMTP Relay for Office 365 on Windows Server: Setup Guide

Step-by-step guide to configure a Windows Server as an IP-authenticated SMTP relay for Office 365, with static IP, port 25, smart host connector, SPF/DKIM/DMARC, and testing.
Daniel Sanchez
CTO
Email Deliverability

How Segmentation Impacts Email Deliverability

Segment email lists to boost opens and clicks, cut spam complaints, and protect sender reputation with warm-up, placement tests, and health monitoring.
Daniel Sanchez
CTO
Email Deliverability

SORBS Blacklist (2025): Why Your IP Is Listed & How to Remove It

Find out why your IP is on the SORBS blacklist in 2025, how to remove it fast, fix DNS zone issues, and prevent relisting with Warmforge.
Daniel Sanchez
CTO
Cold Email

Cold Email Personalization Mistakes to Avoid

Avoid cold email personalization pitfalls—generic templates, incorrect data, intrusive details, ignored pain points, and deliverability issues that hurt inbox placement.
Daniel Sanchez
CTO
Cold Email

How AI Improves Cold Email Personalization

AI personalizes cold emails at scale - crafting tailored subject lines, behavior-based segments, automated A/B tests, and better deliverability.
Daniel Sanchez
CTO
Email Deliverability

Checklist for Improving Inbox Placement

Checklist to boost inbox placement: configure SPF/DKIM/DMARC, clean lists, warm up domains, write engaging emails, and monitor deliverability.
Daniel Sanchez
CTO
Email Warm Up

Top Tools for Monitoring Warm-Up Progress

Explore essential tools for monitoring email warm-up progress and improving deliverability to ensure your messages land in inboxes.
Daniel Sanchez
CTO
Tools

Best Tools for Monitoring Warm-Up Metrics

Effective email warm-up is essential for inbox deliverability. Learn key metrics, top tools, and strategies to enhance your sender reputation.
Daniel Sanchez
CTO
Tutorials & Guides

Common Email Authentication Errors: Explained

Learn about common email authentication errors like SPF, DKIM, and DMARC, and how to fix them to improve deliverability and sender reputation.
Daniel Sanchez
CTO
Email Warm Up

Gradual Scaling for New Domains: Warm-Up Tips

Learn how to warm up your email domain effectively to ensure high deliverability and maintain a positive sender reputation with ESPs.
Daniel Sanchez
CTO
Email Infrastructure

Best Practices for Multi-ESP Management

Learn best practices for managing multiple Email Service Providers to enhance deliverability, streamline operations, and protect your sender reputation.
Daniel Sanchez
CTO
DNS Setup

How MX Records Affect Email Deliverability

Understanding MX records is essential for ensuring reliable email delivery and maintaining your domain's reputation.
Daniel Sanchez
CTO
Email Deliverability

How Blacklist Monitoring Improves Email Deliverability

Learn how blacklist monitoring protects your email reputation and ensures deliverability, preventing costly campaign disruptions.
Daniel Sanchez
CTO
DNS Setup

DKIM Key Length: 1024 vs 2048

Explore the differences between 1024-bit and 2048-bit DKIM keys, highlighting security, performance, and implementation challenges for email authentication.
Daniel Sanchez
CTO
Tutorials & Guides

DMARC Setup Checklist for Phishing Defense

Protect your domain from phishing with DMARC by following this comprehensive setup checklist for email authentication and security.
Daniel Sanchez
CTO
Tools

We Tested 5 Mailreach Alternatives & Competitors for Outreach

We tested 5 Mailreach alternatives in 2025. Compare features, pricing, pros & cons, and see which email deliverability tool is best for scaling your cold outreach.
Daniel Sanchez
CTO
DNS Setup

SPF, DKIM, DMARC: Common Misconfigurations

Misconfigured email authentication protocols can harm deliverability and security. Learn common pitfalls and best practices for SPF, DKIM, and DMARC.
Daniel Sanchez
CTO
Cold Email

How Spam Triggers Damage Cold Email Campaigns

Learn how to avoid spam triggers that jeopardize cold email campaigns and damage sender reputation for better deliverability.
Daniel Sanchez
CTO
Tutorials & Guides

Ultimate Guide to Cold Email Open Rates 2025

Explore the evolving landscape of cold email open rates in 2025, including strategies to enhance engagement and adapt to new privacy challenges.
Daniel Sanchez
CTO
Tutorials & Guides

How To Set Up BIMI for Your Domain

Learn how to set up BIMI for your domain, enhancing email visibility and trust with your brand logo in inboxes.
Daniel Sanchez
CTO
Email Deliverability

Understanding Sender Score Metrics in 2025

Learn how to maintain a strong sender score in 2025 to ensure your emails reach inboxes and boost engagement and revenue.
Daniel Sanchez
CTO
Tutorials & Guides

SPF Record Setup: 5 Steps for Beginners

Learn how to set up an SPF record in five simple steps to enhance email deliverability and protect your domain from spoofing.
Daniel Sanchez
CTO
DNS Setup

Troubleshooting DKIM Validation Failures

Learn how to troubleshoot DKIM validation failures to enhance email deliverability and protect your sender reputation.
Daniel Sanchez
CTO
Cold Email

Best Time to Send Cold Emails in 2025

Unlock the secrets to boosting your cold email success in 2025 with optimal timing and improved deliverability strategies.
Daniel Sanchez
CTO
DNS Setup

Common DKIM Setup Errors and Fixes

Learn how to troubleshoot common DKIM setup errors to improve email deliverability and protect your domain from spoofing.
Daniel Sanchez
CTO
Email Deliverability

5 Engagement Metrics That Improve Inbox Placement

Learn how engagement metrics like open rates and replies influence email inbox placement and improve deliverability for your campaigns.
Daniel Sanchez
CTO
Email Deliverability

Email Deliverability Metrics: What to Track

Learn essential email deliverability metrics to track and improve your email campaign performance and engagement with your audience.
Daniel Sanchez
CTO
Reviews

In-depth Warmy.io Review: 200+ Users' Experience Breakdown

Wondering if Warmy.io is worth it? This in-depth review analyzes 200+ real user experiences, key features, pricing, and why many switch to Warmforge for serious cold outreach
Daniel Sanchez
CTO
Tools

5 TrulyInbox Alternatives & Competitors for 30 Email Accounts (Based on Real User Feedback)

Looking for the best TrulyInbox alternatives in 2025? Real users recommend Warmforge, Mailscale, Maildoso, Mission Inbox, and Inframail for scaling past 30 inboxes with ease. Find out which one delivers the best results.
Daniel Sanchez
CTO

Ultimate Mailreach Review: What 100+ Users Say About It?

Looking for honest Mailreach reviews? We analyzed feedback from 100+ users to uncover how it works, what it’s missing, and whether it’s worth the price for your cold email campaigns.
Daniel Sanchez
CTO
Email Infrastructure

How Sender Reputation Impacts Deliverability

Understanding sender reputation is crucial for email deliverability, impacting engagement and the success of your email campaigns.
Daniel Sanchez
CTO
Email Deliverability

How Sending Patterns Affect Email Reputation

Understand how your email sending patterns impact your reputation and deliverability, and learn best practices for maintaining consistency.
Daniel Sanchez
CTO
Tutorials & Guides

How to Write Cold Email CTAs That Convert

Learn how to craft cold email CTAs that drive responses with clarity, tone, and personalization for improved engagement.
Daniel Sanchez
CTO
Cold Email

How Personalization Impacts Cold Email Deliverability

Learn how personalization in cold emails boosts deliverability and engagement, protecting your sender reputation and improving outreach success.
Daniel Sanchez
CTO
Tools

Top Tools for Reducing Email Bounces

Explore effective tools and strategies to reduce email bounces, improve deliverability, and maintain a strong sender reputation.
Daniel Sanchez
CTO
Email Deliverability

Email Deliverability Checklist for Sales Teams

Enhance your sales email deliverability with proven strategies like technical setup, list hygiene, and personalized content to boost outreach success.
Daniel Sanchez
CTO
DNS Setup

How to Set Up DKIM GoDaddy: Easy Step-by-Step Guide [2025]

Learn how to set up a DKIM record in GoDaddy with this complete 2025 guide. Step-by-step easy instructions, common fixes, and verification tools.
Daniel Sanchez
CTO
Email Deliverability

11 Proven Ways To Avoid Email Going To Spam in 2025

Struggling with low open rates? This guide on how to avoid email going to spam shares 11 proven tips to keep your emails in the inbox in 2025 for both cold and bulk emails.
Daniel Sanchez
CTO
Reviews

We Tried Lemwarm For 45 Days: Here's Our Unbiased Review

Curious if Lemwarm really works? We tested it for 45 days to see how it impacts email deliverability, inbox placement, and reply rates. Read our honest review with setup steps and results.
Daniel Sanchez
CTO