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1and1Mail vs Sendmail

Professional comparison and analysis to help you choose the right software solution for your needs.

1and1Mail icon
1and1Mail
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Sendmail

1and1Mail vs Sendmail: The Verdict

⚡ Summary:

1and1Mail: 1and1Mail is a free email service provided by 1&1 that offers users an @1and1.com email address with 15GB of storage space. It has a clean, ad-free interface and useful features like IMAP/POP support, spam filtering, email aliases, and automatic sorting.

Sendmail: Sendmail is a widely used open-source mail transfer agent (MTA) for routing and delivering email on Unix and Linux systems. It handles routing emails between mail servers and delivers them to local users' mailboxes.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature 1and1Mail Sendmail
Sugggest Score — —
Category Online Services Network & Admin
Pricing — Open Source

Product Overview

1and1Mail
1and1Mail

Description: 1and1Mail is a free email service provided by 1&1 that offers users an @1and1.com email address with 15GB of storage space. It has a clean, ad-free interface and useful features like IMAP/POP support, spam filtering, email aliases, and automatic sorting.

Type: software

Sendmail
Sendmail

Description: Sendmail is a widely used open-source mail transfer agent (MTA) for routing and delivering email on Unix and Linux systems. It handles routing emails between mail servers and delivers them to local users' mailboxes.

Type: software

Pricing: Open Source

Key Features Comparison

1and1Mail
1and1Mail Features
  • Free email service with @1and1.com address
  • 15GB of storage space
  • Clean, ad-free interface
  • IMAP/POP support
  • Spam filtering
  • Email aliases
  • Automatic email sorting
Sendmail
Sendmail Features
  • Mail Transfer Agent (MTA) for routing and delivering email
  • Runs as a daemon on Unix/Linux systems
  • Uses SMTP protocol for sending outgoing mail
  • Uses a flexible configuration file to control mail routing
  • Supports aliases, mailing lists, forwarding, filtering
  • Integrates with LDAP directories for authentication
  • Includes anti-spam and anti-virus capabilities

Pros & Cons Analysis

1and1Mail
1and1Mail

Pros

  • Free to use
  • Generous storage space
  • Useful features like IMAP/POP and spam filtering
  • Ad-free interface

Cons

  • Limited customization options
  • No mobile app
  • May not have advanced features compared to paid email services
Sendmail
Sendmail

Pros

  • Widely used and well established
  • Open source and free
  • Highly scalable and reliable
  • Flexible configuration options
  • Supports security features like TLS
  • Integrates with other tools via Milter interface

Cons

  • Complex configuration syntax
  • Steep learning curve
  • Requires expertise to properly secure
  • Not user friendly administrative interface

Pricing Comparison

1and1Mail
1and1Mail
  • Not listed
Sendmail
Sendmail
  • Open Source

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Learn More About Each Product

1and1Mail
1and1Mail
Reviews, pricing & alternatives →
Sendmail
Sendmail
Reviews, pricing & alternatives →

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