Mailbox Provider (MBP)

What is it?

What is it?

A "Mailbox Provider (MBP)" is an organization or service provider that offers email hosting and management services to end users, allowing them to create, send, receive, and manage email messages through web-based or client-based email applications. MBPs play a crucial role in the email ecosystem by providing reliable email infrastructure, storage, and delivery services to individuals, businesses, and organizations.

Key points to remember

Key points to remember

  • Service Offering: Mailbox providers offer various email services, including email account creation, storage, message retrieval, spam filtering, virus scanning, email forwarding, auto-reply features, and integration with other communication tools and services.

  • User Interface: MBPs provide web-based interfaces or email client applications for users to access their email accounts, compose and send messages, organize their inboxes, manage contacts and address books, and customize email settings and preferences.


  • Storage Capacity: MBPs allocate storage space for users' email messages and attachments, typically offering varying levels of storage capacity based on subscription plans or account tiers. Users may need to manage their mailbox storage by deleting old messages or archiving important emails to free up space.


  • Deliverability Policies: MBPs implement deliverability policies and spam filtering mechanisms to protect users from unwanted or malicious email content, ensuring that only legitimate and safe messages reach users' inboxes while quarantining or blocking suspicious or harmful emails.


  • Integration with Senders: Mailbox providers collaborate with email senders, marketers, and ESPs to optimize email deliverability, enhance sender reputation, and improve user experience by adhering to industry best practices, authentication standards, and anti-spam guidelines.

Example of Use

Example of Use

  1. Gmail: Google's Gmail service is a popular mailbox provider used by millions worldwide, offering robust email features, large storage capacity, advanced spam filtering, and seamless integration with other Google services and applications.


  2. Microsoft Outlook: Microsoft's Outlook.com service provides email hosting and management for individuals and businesses, delivering a comprehensive suite of email tools, calendar functionality, contact management, and productivity features.

Find and verify emails for free