Best Alternatives to Zapmail.ai for Smarter Email Campaigns

by Maildoso's team

05/28/2025

difficulty level ⭐⭐

If you’re using Zapmail.ai for cold email outreach, you might be wondering what else is out there. While Zapmail.ai offers affordable Google Workspace mailboxes and automated setups, other tools might better fit your needs -whether it’s advanced analytics, multi-channel integration, or simpler pricing. We’ve rounded up top alternatives that make email campaigns a breeze, with features to boost deliverability and streamline your workflow. Let’s dive in and find the right one for you!

Contents

1. Maildoso

We offer a platform for cold email infrastructure designed for B2B outreach. Users can create multiple domains and mailboxes with automated setup for DNS records like SPF, MX, and DKIM. Our system integrates with cold email software, providing import-ready CSV files for campaign management. We include a master inbox feature, allowing users to manage thousands of emails through a single email client.

Our platform supports deliverability with automatic IP rotation, replacing flagged IPs to maintain sender reputation. We provide daily inbox placement tests to monitor email performance and offer AI-driven warm-up agents that mimic browser-based actions for email engagement. Users can access a calculator to estimate sales calls and closed deals based on mailbox volume.

We provide resources like a deliverability guide, copywriting tips, and a Slack community for user support. Our team offers campaign audits, checking content for spam triggers and suggesting improvements like unsubscribe links or custom domain tracking. The platform includes free domains with ownership retained by users, even after subscription cancellation.

Key Highlights

Services

Contact and Social Media Information

2. Constant Contact

Constant Contact provides a platform for email marketing and digital marketing tools aimed at small businesses. Users can create email campaigns using a drag-and-drop editor and choose from customizable templates for newsletters, promotions, or event announcements. The platform supports contact management, allowing users to import lists and track subscriber engagement through reports on open rates, clicks, and bounces. It also includes features for scheduling social media posts and managing online ads.

The system integrates with various third-party applications, such as e-commerce platforms and CRMs, to streamline workflows. Automation features enable users to set up welcome emails or triggered campaigns based on subscriber actions. Reporting tools provide data on campaign performance, including heatmaps to identify click patterns. The platform offers a free trial period for testing its features.

Key Highlights

Services

Contact and Social Media Information

3. Coldsire

Coldsire offers a platform for setting up email infrastructure for cold email campaigns. Users can purchase bulk domains and email accounts compatible with Google Workspace and Microsoft Office 365. The platform provides tools to configure DNS records, including SPF, DKIM, and DMARC, to support email deliverability. It integrates with cold email software to streamline campaign setup and management.

The system includes a calculator to estimate costs and ROI for email infrastructure. Users can access done-for-you setup services for integration with specific cold email platforms. The platform also offers resources like guides on avoiding spam filters and optimizing email campaigns. It caters to businesses and agencies managing large-scale cold email outreach.

Coldsire provides support through a contact form and maintains a blog with tips on cold email strategies. The platform focuses on simplifying the technical aspects of email setup, allowing users to focus on campaign execution. It does not offer direct email sending or campaign creation tools, emphasizing infrastructure over outreach execution.

Key Highlights

Services

Contact and Social Media Information

4. SendFlock

SendFlock provides a platform for cold email outreach with automated domain and inbox setup. Users can acquire pre-configured Google Workspace accounts tailored for cold email campaigns. The platform handles domain purchasing, DNS setup, and email warm-up processes to prepare accounts for sending. It supports integration with various cold email tools for campaign execution.

The system allows users to manage multiple email accounts within a single interface, with options to rotate sending inboxes to maintain deliverability. SendFlock offers pre-warmed email accounts to reduce setup time and includes tools for monitoring domain health. The platform provides guides on email outreach strategies and compliance with anti-spam regulations.

SendFlock focuses on simplifying the technical setup for cold email campaigns, catering to users who need scalable email infrastructure. It does not include features for creating email content or managing campaigns directly. The platform offers customer support through email and maintains a knowledge base for setup assistance.

Key Highlights

Services

Contact and Social Media Information

5. Instantly

Instantly offers a platform for cold email outreach with tools for campaign automation and lead generation. Users can connect multiple email accounts to send personalized emails at scale, with features for scheduling sequences and follow-ups. The platform includes an AI-powered sequence generator to create email copy and supports A/B testing for campaign optimization.

The system provides a B2B lead database for finding and verifying prospect emails. It includes email warm-up tools to improve deliverability, with automated inbox interactions to maintain sender reputation. Users can track campaign performance through analytics on opens, replies, and conversions. The platform integrates with CRMs and other tools for workflow efficiency.

Instantly also offers a unified inbox to manage responses across multiple accounts, with AI-driven categorization of replies. The platform provides access to a community for sharing outreach strategies and includes resources like templates and setup guides. It caters to businesses and agencies focused on B2B cold email campaigns.

Key Highlights

Services

Contact and Social Media Information

6. Polymail

Polymail offers a platform for email productivity and automated outreach designed for professionals and teams. Users can manage emails with features like tracking, follow-up reminders, and contact profiles that display communication history. The platform includes a unified inbox for handling multiple accounts and supports inline comments for team collaboration on email threads. It also provides tools for scheduling meetings directly from emails.

The system automates email sequences for outreach, allowing users to create personalized campaigns with predefined triggers and follow-ups. It integrates with calendar apps to streamline meeting scheduling and offers a browser extension for accessing email tools across web applications. Polymail includes analytics to track email opens and replies, helping users monitor outreach performance.

Polymail focuses on reducing manual email tasks, with features like templates and snippets for repetitive messages. The platform provides a free trial for testing its features and supports both individual and team plans. It emphasizes organized communication, with tools to categorize emails and share conversations for team input.

Key Highlights

Services

Contact and Social Media Information

7. Inframail

Inframail offers a cold email infrastructure solution for agencies, recruiters, and sales teams, leveraging Microsoft’s cloud platform. Users can buy domains directly or use existing ones, with automated setup of SPF, DKIM, and DMARC records for email inboxes. Based in New York, the platform integrates with tools like Instantly, Smartlead, and Reachinbox.

It supports rapid inbox creation, unlimited inboxes at a fixed price, and dedicated IP options, making it ideal for scaling B2B lead generation through cold email campaigns. The service is tailored for users focused on efficient, high-volume outreach.

Key Highlights

Services

Contact and Social Media Information

8. Woodpecker

Woodpecker provides a cold email platform for B2B outreach, headquartered in Wrocław, Poland. It integrates email sending, verification, and lead sourcing into a single interface, featuring automated tools such as email warmup and deliverability tracking, plus access to an extensive B2B contact database.

The platform offers a free trial with full feature access and integrates with tools like Pipedrive, HubSpot, and Calendly. Woodpecker includes an agency panel add-on for client campaign management, ensures GDPR compliance, and supports inbox rotation and adaptive sending to optimize sending limits.

Key Highlights

Services

Contact and Social Media Information

9. Mailscale

Mailscale offers a platform for automating email account creation for cold email outreach, focused on B2B businesses. It streamlines the setup of multiple email accounts by handling domain registration and DNS configurations, including SPF, DKIM, and DMARC. Designed to integrate with tools like Instantly and Smartlead, the company’s location is not specified.

Users can purchase domains directly through the platform by submitting a form, receiving a CSV file with ready-to-use email accounts. Mailscale provides a seven-day free trial and guarantees deliverability during the initial warmup phase if best practices are followed. Pricing varies by inbox volume, with plans for solopreneurs, businesses, and enterprises.

The service aims to save time and reduce costs compared to traditional providers like Google Workspace or Outlook. Certain plans include access to a cold email course covering lead sourcing and email writing. Additionally, Mailscale offers a deliverability checklist and dedicated consultant support to optimize campaign performance.

Key Highlights

Services

Contact and Social Media Information

10. Mission Inbox

Mission Inbox provides a cold email infrastructure platform tailored for sales teams, agencies, and SaaS businesses. It enables inbox creation, supports user-provided SMTP servers, and automates DNS record updates for registrars like Cloudflare and GoDaddy. The company is headquartered in Chicago, Illinois.

The platform offers pre-send checks, email warmup, and deliverability analysis to support scalable cold email campaigns. It includes full API access for custom development and integrates with existing email tools. Pricing is monthly, with flexible options for adding inboxes and sending volume.

Designed specifically for cold email compliance, Mission Inbox differs from transactional email providers like SendGrid or Mailgun. It ensures transparent infrastructure management, giving users control over data and records. Comprehensive documentation is available for both technical and non-technical users to streamline setup and operation.

Key Highlights

Services

Contact and Social Media Information

11. Emailchaser

Emailchaser provides a cold email platform for businesses, focusing on delivering emails to primary inboxes. The service allows users to connect unlimited email sending accounts and access a database of verified LinkedIn leads. It is based in San Juan, Puerto Rico, and serves businesses aiming to scale their outreach.

The platform uses AI, specifically GPT-4o, to rewrite emails for personalization, aiming to reduce spam flags. Users can create campaigns with automatic follow-ups and manage responses through a centralized Sales CRM. Emailchaser supports inbox rotation to distribute sending volume across multiple accounts, with a gradual increase in daily sends to maintain deliverability.

The service is designed for simplicity, offering unlimited leads and seats under a flat-rate subscription. It includes campaign analytics and ensures compliance with data privacy laws. The platform is built by individuals experienced in cold emailing, targeting businesses that need to contact decision-makers directly.

Key Highlights

Services

Contact and Social Media Information

12. Superwave

Superwave offers a cold email infrastructure platform tailored for sales teams, outbound teams, and B2B businesses, aimed at scaling email campaigns. Users can purchase and configure domains, set up user accounts, and start sending emails by integrating with tools like Smartlead and Instantly. Based in Sheridan, Wyoming, the company serves clients from startups to agencies.

The platform minimizes bounce rates by spreading them across multiple accounts to ensure deliverability. It features a client slot system for replacing problematic domains and provides access to a Slack community for support. Superwave uses a pricing structure with an annual fee plus a monthly per-domain charge, avoiding shared IPs to enable high-volume sending.

Designed for rapid deployment, the setup process configures domains in days. Users can send high volumes without lengthy warmup periods, and the platform includes tools to monitor and quickly resolve deliverability issues. Superwave prioritizes compatibility with existing email sending tools to tailor outreach strategies effectively.

Key Highlights

Services

Contact and Social Media Information

13. Lemlist

Lemlist is a cold email platform focused on improving outreach through multichannel automation and personalization. It connects with prospects via email, LinkedIn, and phone calls, delivering unified strategies. Tailored for sales teams, agencies, and marketers, Lemlist ensures emails reach primary inboxes with advanced personalization and deliverability tools. Its user-friendly interface allows for creating adaptive, complex sequences based on prospect actions.

The platform offers a B2B lead database for pinpointing and targeting prospects. Lemlist enhances engagement with dynamic content, such as personalized images and videos. AI-powered tools simplify crafting persuasive email copy, speeding up campaign setup. By blending multichannel outreach with a focus on deliverability, the software optimizes campaign impact.

Key Highlights:

Services

Contact Information:

Conclusion

With so many email marketing and productivity platforms out there, finding the right alternative to Zapmail.ai comes down to what your business needs most. Whether you're after robust automation, seamless integrations, or AI-powered email drafting, the platforms we've covered offer a range of tools to handle cold outreach, campaign management, or inbox organization. Each has its own strengths, from multi-channel marketing to secure email hosting, so you can pick one that fits your workflow.

Take some time to explore these options, keeping your budget and campaign goals in mind. Most platforms offer free trials or basic plans, so you can test them out before committing. By matching the tool to your specific use case, you’ll be set to streamline your email strategy and keep your outreach on track.

Double your outbound sales with Maildoso!

We provide the infrastructure for cold outreach with the highest possible deliverability. Forget about the spam folder—set up hundreds of mailboxes in just 10 minutes, starting at only $1.80/month!

You might also be interested

Best Cold Email Software for Smarter Outreach

Explore the best cold email software to send smarter campaigns, reach more prospects, and improve your outbound results without hitting spam.

difficulty level: ⭐⭐

How to Choose the Best Cold Email Platform for B2B Outreach

Explore the best cold email platform options for managing domains, mailboxes, and deliverability in B2B outreach.

difficulty level: ⭐⭐

Best Cold Email Outreach Software for B2B Campaigns

A practical guide to the best cold email outreach software for managing campaigns, improving deliverability, and scaling B2B outreach.

difficulty level: ⭐⭐

BacklinkSwappers, inc.

4120 Douglas Blvd Suite 306 PMB 1037 Granite Bay, CA 95746

Company

Integrations

FAQ

Suggest a feature

Legal

Terms of Service

Privacy Policy

Resources

Slack Community

Our LinkedIn page

Knowledge Base

Deliverability Guide

Copywriting Guide

Guide for beginners

Experts Pool

Blog

Webinars

Premium AI Warmup