Standard Mailbox Addresses for Community Server Governance
Establishing dependable operational contact addresses is fundamental to running an online platform. When infrastructure problems, server misconfigurations, or network abuse occur, outside engineers and community members need predictable mail endpoints to report urgent issues. Codified on the Internet standards track in May 1997, RFC 2142 details the standardized mailbox names for common services, roles, and functions across the Internet. Following these conventions ensures your domain conforms to official protocol standards under STD 1 and remains reachable during technical incidents.
Section 1: Mail Routing and Scope Specifications
Section 1 of RFC 2142 sets the baseline scope for well-known mailbox names. Organizations are not required to activate every listed role, but if an organization implements a given service, the associated mailbox address must be supported and delivered to an appropriate recipient. Furthermore, mail servers accepting inbound traffic on behalf of a domain must process these standard mailbox names even if the mail exchange host itself does not run the underlying service.
Under routing standards defined in RFC 974, any host that implements a protocol service but does not accept mail directly must publish a Mail Exchange (MX RR) set. The mail exchangers identified in that record set must recognize the host name as local for handling incoming role messages. In practical network operations, domain aliases can differ from host names. If an NNTP server operating under host DATA.RAMONA.VIX.COM advertises VIX.COM in its Path headers under RFC 977, mail delivery must function for both mailbox targets. Setting up valid routing prevents lost reports and supports overall forum email deliverability across your infrastructure.
Section 2: Case Invariants and Operational Conventions
Section 2 establishes essential invariants that mail software must obey when processing role mailboxes. Role addresses must be accepted regardless of character case. A mail handler must direct postmaster, POSTMASTER, Postmaster, PostMaster, and PoStMaStEr to the exact same mailbox destination without errors.
For generalized addresses not tied to a specific network protocol, RFC 2142 requires support only at the organization's top-level domain name. If a community provider operates under a main domain like COMPANY.COM while member activities stem from host subdomains like SHELL1.COMPANY.COM, inbound reports sent to the top-level domain address must resolve successfully, though supporting sub-domain aliases remains encouraged. When deploying automated acknowledgements for incoming messages, administrators should exercise caution to avoid mail loops triggered by duelling mail robots.
Section 3: Line-of-Business Communication Mailboxes
Section 3 of the standard outlines contact points for organization-level inquiries and community business activities. These four operational mailboxes segment member requests from backend operational alerts:
- INFO: Serves marketing functions by providing packaged information about the organization, services, or products, frequently connected to an autoresponder.
- MARKETING: Reserved for product marketing inquiries and outbound marketing communications.
- SALES: Designated for purchasing queries and product acquisitions.
- SUPPORT: Assigned to customer service channels to resolve difficulties with offered services or products.
Section 4: Infrastructure Operations and Network Security Roles
Section 4 establishes operational mailboxes to give network neighbors, service providers, and members recourse when experiencing service difficulties. These aliases are crucial for maintaining forum admin security and fast problem resolution:
- ABUSE: Handled by customer relations personnel to address inappropriate public behaviour and conduct complaints.
- NOC: Handled by network operations teams responsible for physical and logical network infrastructure.
- SECURITY: Dedicated to network security queries and security bulletins.
Section 5 and Section 7: Protocol Aliases and Hostmaster DNS Administration
Section 5 defines protocol-specific administrative mailboxes for fundamental Internet services. The standard identifies POSTMASTER for SMTP under RFC 821 and RFC 822 (STD 11), WEBMASTER and its synonym WWW for HTTP under RFC 2068 and RFC 1945, USENET and its synonym NEWS for NNTP under RFC 977, FTP for File Transfer Protocol under RFC 959 (STD 9), and UUCP under RFC 976.
For domain management, Section 7 addresses DNS operations codified in RFC 1033, RFC 1035, and STD 13. The Start Of Authority record (SOA RR) contains a dedicated field indicating the mailbox of the zone administrator. This field requires a simple word without metacharacters such as percent signs, exclamation points, or colons. RFC 2142 strongly recommends that administrators maintain the well-known mailbox name HOSTMASTER for domain name service administration.
Section 6 and Section 8: Mailing Lists and Network Routing Systems
Section 6 regulates mailing list administration. Whenever a distribution list operates with a public submission mailbox, such as LIST@DOMAIN, there must be a companion administrative mailbox designated as LIST-REQUEST@DOMAIN. While list management applications like MajorDomo or Listserv frequently offer generic software-level addresses, list-specific request mailboxes remain mandatory so users can send add, drop, and administrative requests without needing to know the software platform in use. Finally, Section 8 documents Autonomous System mailboxes for registry routing contacts, such as AS3557@RA.NET under BGP4 routing specifications detailed in RFC 1654, RFC 1655, and RFC 1656.
Section 9 notes that because standardizing role mailboxes makes names predictable across all participating hosts, denial of service attacks through mailbox junk flooding become easier. Community administrators must ensure these standard mailboxes remain active, properly filtered, and actively monitored by server personnel.
Sources
- RFC 2142: Mailbox Names for Common Services, Roles and Functions (Internet Mail Consortium / RFC Editor)
Published October 30, 2026. No affiliate links on this page. Facts come from the sources linked above; check them for updates.