Sold by: Waltsoft Inc.
Deployed on AWS
Free Trial
AWS Free Tier
Production-ready, secure email server using Docker. Perfect for businesses needing self-hosted email with SMTP, IMAP, anti-spam, and encryption. Easy deployment and management.
Overview
Overview
Docker Mailserver provides a complete, production-ready email server solution built on Docker. This fully-featured mail server includes SMTP, IMAP, POP3, and comprehensive security features including SPF, DKIM, DMARC, and advanced anti-spam filtering. Ideal for organizations requiring self-hosted email infrastructure with enterprise-grade security and reliability.
Features
- Complete email server with SMTP (port 25), IMAP, and POP3 support
- Built-in security: SPF, DKIM, DMARC, TLS encryption, and anti-spam filtering
- Docker-based deployment for easy scaling and management
- Webmail interface and comprehensive logging
- Support for multiple domains and user management
- Backup and restore capabilities
- Integration with external authentication systems
Getting Started
Deploy instantly using Docker with pre-configured security settings. The solution includes setup scripts, documentation, and monitoring tools to get your email server running quickly and securely.
Disclaimer: This software is open-source and distributed under its own licensing terms. It is not affiliated with, endorsed by, or sponsored by the upstream project maintainers. Provided "as is" without warranty. Users utilize this software at their own risk and are responsible for compliance with applicable regulations.
Highlights
- Complete SMTP/IMAP email server with security features
- Docker-based deployment for easy scaling and management
- Built-in anti-spam, encryption, and compliance tools
Details
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Delivery method
Delivery option
64-bit (x86) Amazon Machine Image (AMI)
Latest version
Operating system
Ubuntu 24.04
Deployed on AWS
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Features and programs
Financing for AWS Marketplace purchases
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing
Free trial
Try this product free for 5 days according to the free trial terms set by the vendor. Usage-based pricing is in effect for usage beyond the free trial terms. Your free trial gets automatically converted to a paid subscription when the trial ends, but may be canceled any time before that.
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time. Alternatively, you can pay upfront for a contract, which typically covers your anticipated usage for the contract duration. Any usage beyond contract will incur additional usage-based costs.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
Dimension | Description | Cost/hour |
|---|---|---|
t3.medium Recommended | t3.medium instance | $0.01 |
t3.micro | t3.micro instance | $0.00 |
t3.large | t3.large instance | $0.01 |
m5.large | m5.large instance | $0.01 |
r5.large | r5.large instance | $0.01 |
m5.xlarge | m5.xlarge instance | $0.01 |
Vendor refund policy
No refunds. Cancel anytime. Contact support@waltsoft.net .
Legal
Vendor terms and conditions
Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .
Content disclaimer
Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.
Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Fixed: Added required hostname/domainname configuration. Docker Mailserver now starts correctly on first boot with SMTP, IMAP, IMAPS, and Submission ports active.
Additional details
Usage instructions
Docker Mailserver - Complete Email Server Solution
- Launch with t3.medium or larger instance type
- First boot starts Docker Mailserver with a default example.com domain
- All mail services start automatically (SMTP, IMAP, IMAPS, Submission)
- Configure for YOUR domain:
- SSH in: ssh ubuntu@<public-ip>
- Edit /opt/waltsoft/docker-compose.yml
- Change hostname, domainname, and OVERRIDE_HOSTNAME to your domain
- Edit /opt/waltsoft/config/postfix-accounts.cf
- Add your email accounts (format: user@domain|{PLAIN}password)
- Restart: cd /opt/waltsoft && sudo docker compose down && sudo docker compose up -d
-
Ports:
- 25: SMTP (inbound mail)
- 143: IMAP
- 465: SMTPS (implicit TLS)
- 587: Submission (STARTTLS)
- 993: IMAPS (TLS)
-
Important: AWS blocks port 25 outbound by default on new instances. To send email, request port 25 removal via AWS Support > Service Limits.
-
Security: Set up SPF, DKIM, and DMARC DNS records for your domain. OpenDKIM and OpenDMARC are pre-installed and active.
-
Support: support@waltsoft.net
Support
Vendor support
For technical support, email support@waltsoft.net or visit
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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