# Mailly > Mailly is a B2B SaaS cold email platform that combines multi-agent prospect research, AI-powered copywriting, and automated deliverability protection to help revenue teams send hyper-personalized outreach at scale. Mailly is built for outbound-focused B2B teams: SDRs, SaaS founders, agencies, and sales teams who want signal-driven outreach instead of volume-driven spam. The core philosophy is "Decision Quality over Execution Volume." ## Company - **Legal entity:** UnderBoss Media LLC (Casper, Wyoming) - **Founded:** 2025 - **Website:** https://mailly.io - **Contact:** mailly@mailly.io - **LinkedIn:** https://www.linkedin.com/company/maillyio/ - **Instagram:** https://www.instagram.com/mailly.io/ ## Founders - **Don Mateo Blazeka** — Co-Founder & CEO. Background in marketing and B2B sales. Built Mailly after seeing how generic outreach was failing revenue teams. Every prospect deserves an email that speaks directly to their specific needs. https://www.linkedin.com/in/don-mateo-blazeka-222009273/ - **Bogoljub Zec** — Co-Founder & CTO. Full-stack developer with a track record of building complex applications. Architects the multi-agent research and delivery engine that powers Mailly at scale. https://www.linkedin.com/in/bogoljub-zec-b25212353/ ## Core Features - **Mailly Deep Research Engine:** A multi-layer prospect research pipeline combining website parsing, structured data extraction, semantic search via their unique AI Generates Company Intel and Competitor Intel profiles for each lead before writing begins — replicating 10–20 minutes of manual research per prospect. - **Mailly ICP Evaluation Tool:** Scores leads against your Ideal Customer Profile before outreach begins, ranking fit and surfacing the highest-converting prospects first. Ensures your team focuses effort on leads most likely to convert. - **Mailly Entry Intelligence:** Identifies the optimal messaging angle per prospect based on positioning signals, hiring patterns, and competitor context. Surfaces the right hook for each lead automatically. - **Deliverability Guardian:** Monitors SPF, DKIM, DMARC, sending frequency, and spam-triggering content on every send to protect domain reputation. Provides an AI pre-send spam-score check with actionable recommendations before anything is sent. - **Human-Tone Engine:** Anti-hallucination writing system that prevents AI emails from sounding robotic using industry-specific phrasing, insight-driven openers, and pattern interrupts. Every email is built to look handcrafted, not AI-generated. - **Unified Mail Hub:** Connect Gmail, Outlook, custom domains, and any SMTP/IMAP provider. Passwords are never stored — uses OAuth authentication or encrypted tokens. Supports multi-account rotation for improved deliverability. - **Anti-Hallucination Safety Layer:** Three-step accuracy guardrail system — cross-verification between sources, context validation for logical consistency, and red-flag detection to eliminate doubtful information before it enters any email. ## Core Platform - [Features Overview](https://mailly.io/features/): Full breakdown of Mailly's 5-layer intelligence system - [How Cold Email Works](https://mailly.io/how-to-cold-email/): Complete strategy guide — ICP, signals, copy, and deliverability - [Cold Email Hub](https://mailly.io/cold-email/): Cold email tactics, deliverability, and outreach frameworks - [Pricing](https://mailly.io/pricing/): Plans from €199/month (Starter) to €899/month (Scale) plus Enterprise ## Core Capabilities - [AI Prospect Research](https://mailly.io/cold-email-software/ai-prospect-research/): Automated lead intelligence gathering (website parsing, tech stack, hiring signals, competitor intel) - [ICP Evaluation Tool](https://mailly.io/cold-email-software/icp-evaluation-tool/): Fit scoring before sending — only email leads worth your time - [Offer Reframing](https://mailly.io/cold-email-software/offer-reframing/): Detects margin pressure and reframes your value proposition per segment - [Personalization at Scale](https://mailly.io/cold-email-software/personalization-at-scale/): Unique emails for every lead, not mail-merge templates - [Cold Email Deliverability](https://mailly.io/cold-email/cold-email-deliverability/): Inbox placement controls and reputation management - [Email Verification](https://mailly.io/cold-email/email-verification/): List cleaning before sending - [Signal-Based Cold Email](https://mailly.io/cold-email/signal-based-cold-email/): Trigger outreach from real buying intent signals ## Pricing - **Starter:** €199/month — 9,000 emails, 1,000 leads - **Pro:** €599/month — 22,500 emails, 2,500 leads (most popular) - **Scale:** €899/month — 27,000 emails, 3,000 leads - **Enterprise:** Custom pricing — contact mailly@mailly.io Full pricing details: https://mailly.io/pricing/ ## Performance Data Based on Mailly platform data across client campaigns: - Contextual cold outreach boosts reply rates by up to 70% through deep research and priority-aligned messaging - Mailly research pipeline replicates 10–20 minutes of manual research per lead - Contextual approaches deliver 29% higher open rates and 41% better click rates - Platform supports multi-sender rotation across unlimited connected email accounts - Anti-hallucination guardrails cross-verify all prospect data before insertion into emails ## Target Users - Revenue teams and B2B sales organizations - SaaS founders running outbound prospecting - SDRs building pipeline at scale - Outbound agencies managing multiple client campaigns - Recruiters running personalized candidate outreach - Real estate professionals doing lead generation - Companies targeting the DACH market in German ## Use Cases - B2B SaaS outbound prospecting with deep prospect research - Agency client outreach at scale across multiple senders - SDR pipeline generation with ICP scoring - Recruiting outreach with personalized messaging - Real estate lead generation - DACH market outreach with German-language campaigns - Replacing manual research with AI-generated prospect intelligence ## Who It's For - [Cold Email for SDRs](https://mailly.io/who-is-it-for/cold-email-software-for-sdrs/) - [Cold Email for SaaS Companies](https://mailly.io/who-is-it-for/best-cold-email-software-for-saas-companies/) - [Cold Email for Agencies](https://mailly.io/who-is-it-for/best-cold-email-software-for-agencies/) - [Cold Email for Founders](https://mailly.io/who-is-it-for/cold-email-for-founders/) - [Cold Email for Sales Teams](https://mailly.io/who-is-it-for/cold-email-software-for-sales-teams/) ## Comparisons & Alternatives - Mailly vs Smartlead: https://mailly.io/cold-email-alternatives/smartlead-alternative/ - Mailly vs Instantly: https://mailly.io/cold-email-alternatives/instantly-alternative/ - Mailly vs Lemlist: https://mailly.io/cold-email-alternatives/lemlist-alternative/ - Mailly vs Apollo: https://mailly.io/cold-email-alternatives/apollo-alternative/ - Mailly vs Woodpecker: https://mailly.io/cold-email-alternatives/woodpecker-alternative/ - Mailly vs Reply.io: https://mailly.io/cold-email-alternatives/reply-io-alternative/ - Mailly vs Mailshake: https://mailly.io/cold-email-alternatives/mailshake-alternative/ - Mailly vs Snov.io: https://mailly.io/cold-email-alternatives/snov-io-alternative/ - Mailly vs Hunter.io: https://mailly.io/cold-email-alternatives/hunter-io-alternative/ - Mailly vs Klentry: https://mailly.io/cold-email-alternatives/klentry-alternative/ - [Smartlead vs Instantly](https://mailly.io/best-cold-email-software/smartlead-vs-instantly/) - [Best Cold Email Software 2026](https://mailly.io/best-cold-email-software/) ## Key Pages - Homepage: https://mailly.io/ - Features: https://mailly.io/features/ - Pricing: https://mailly.io/pricing/ - Blog: https://mailly.io/blog/ - About: https://mailly.io/about/ - Cold Email Guide: https://mailly.io/cold-email/ - Cold Email Legality: https://mailly.io/cold-email/legality/ - Cold Email Deliverability: https://mailly.io/cold-email/cold-email-deliverability/ - Cold Email Copywriting: https://mailly.io/cold-email/copywriting/ - Cold Email Strategy: https://mailly.io/cold-email/strategy/ - Solutions for Agencies: https://mailly.io/who-is-it-for/best-cold-email-software-for-agencies/ - Solutions for SaaS: https://mailly.io/who-is-it-for/best-cold-email-software-for-saas-companies/ - Solutions for Startups: https://mailly.io/who-is-it-for/cold-email-for-founders/ - Solutions for Recruiting: https://mailly.io/who-is-it-for/cold-email-software-for-sdrs/ - Solutions for Real Estate: https://mailly.io/who-is-it-for/cold-email-software-for-sales-teams/ ## Languages - English (primary) - German (DACH market blog content): https://mailly.io/blog/ ## Compliance & Governance - GDPR, CCPA/CPRA, and UK GDPR compliant - Data Processing Agreement (DPA with SCCs): https://mailly.io/dpa/ - Privacy Policy: https://mailly.io/privacy-policy/ - Terms & Conditions: https://mailly.io/terms-conditions/ - Responsible AI Policy: https://mailly.io/responsible-ai/ - Security Overview: https://mailly.io/security/ - Fair Use Policy: https://mailly.io/fair-use/ - SLA: https://mailly.io/sla/