Supported RFC
RFC PB XW SB
RFC 5321 - Simple Mail Transfer Protocol
RFC 5322 - Format of Electronic Mail Messages
RFC 952 - DOD Internet Host Table Specification
RFC 974 - Mail Routing and the Domain System
RFC 1123 - Requirements for Internet Hosts - Application and Support
RFC 3696 - Application Techniques for Checking and Transformation of Names
 
RFC 1468 - Japanese Character Encoding for Internet Messages
RFC 1557 - Korean Character Encoding for Internet Messages
RFC 2045 - MIME: Format of Internet Message Bodies
RFC 2046 - MIME: Media Types
RFC 2047 - MIME: Message Header Extensions for n-ASCII Text
RFC 2048 - MIME: Registration Procedures
RFC 2049 - MIME: Conformance Criteria and Examples
RFC 2076 - Common Internet Message Headers
RFC 2480 - Gateways and MIME Security Multiparts
RFC 2557 - MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)
RFC 4021 - Registration of Mail and MIME Header Fields
RFC 5951 - A Recommendation for IPv6 Address Text Representation  
 
RFC 3851 - Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1    
RFC 5019 - The Lightweight Online Certificate Status Protocol (OCSP) Profile    
RFC 6021 - Representation and Verification of Certificate (PKIX) in TLS    
RFC 6698 - DNS-Based Authentication of Named Entities (DANE) Protocol: TLSA    
RFC 7672 - SMTP Security via DNS-Based Authentication of Named Entities (DANE)    
 
RFC 7208 - Sender Policy Framework (SPF), Version 1    
RFC 5782 - DNS Blacklists and Whitelists    
RFC 4870 - Domain E-Mail Authentication Using Public Keys (DomainKeys)    
RFC 6376 - DomainKeys Identified Mail (DKIM) Signatures    
RFC 5016 - Requirements for a DomainKeys Identified Mail (DKIM)    
RFC 6647 - E-Mail Greylisting: An Applicability Statement for SMTP    
 
RFC 1869 - SMTP Service Extensions
RFC 1870 - SMTP Message Size Declaration
RFC 1985 - SMTP Service Extension for Remote Message Queue Starting
RFC 2920 - SMTP Service Extension for Command Pipelining
RFC 3030 - SMTP Service Extensions for Transmission of Large Messages
RFC 1846 - SMTP 521 Reply Code
RFC 3207 - SMTP Service Extension for Secure SMTP over TLS
RFC 3461 - SMTP Service Extension for Delivery Status
RFC 3462 - The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages
RFC 3463 - Enhanced Mail System Status Codes
RFC 3464 - An Extensible Message Format for Delivery Status Notifications
RFC 2034 - SMTP Service Extension for Returning Enhanced Error Codes
RFC 3798 - Message Disposition Notifications
RFC 2554 - SMTP Service Extension for Authentication
RFC 1652 - SMTP Service Extension for 8bit-MIMEtransport
RFC 3834 - Recommendations for Automatic Responses to Electronic Mail    
RFC 4409 - Message Submission for Mail    
RFC 4954 - SMTP Service Extension for Authentication    
 
RFC 2595 - Using TLS with IMAP, POP3 and ACAP
RFC 2195 - IMAP/POP AUTHorize Extension for Simple Challenge/Response
RFC 1939 - Post Office Protocol - Version 3
RFC 1734 - POP3 AUTHentication command
RFC 2449 - POP3 Extension Mechanism
RFC 5034 - POP3 SASL Authentication Mechanism
 
RFC 1730 - Internet Message Access Protocol - Version 4
RFC 2060 - Internet Message Access Protocol - Version 4rev1
RFC 1731 - IMAP4 Authentication Mechanisms
RFC 4959 - IMAP Ext for SASL Initial Client Response
 
RFC 1034 - Domain Names - Concepts and Facilities
RFC 1035 - Domain Names - Implementations and Specifications
RFC 2616 - Hypertext Transfer Protocol -- HTTP/1.1    
RFC 1886 - DNS Extensions to support IP version 6    
RFC 2671 - Extension Mechanisms for DNS (EDNS0)    
RFC 2782 - A DNS RR for specifying the location of services (DNS SRV)    
RFC 2915 - The Naming Authority Pointer    
RFC 3225 - Indicating Resolver Support of DNSSEC    
RFC 4033 - DNS Security Introduction and Requirements    
RFC 4034 - Resource Records for the DNS Security Extensions    
RFC 4035 - Protocol Modifications for the DNS Security Extensions    
RFC 4408 - Sender Policy Framework    
RFC 4472 - Operational Considerations and Issues with IPv6 DNS    
RFC 4616 - The PLAIN Simple Authentication and Security Layer (SASL) Mechanism
RFC 5001 - DNS Name Server Identifier (NSID) Option    
RFC 7505 - A "Null MX" No Service Resource Record for Domains That Accept No Mail  
 
RFC 1945 - Hypertext Transfer Protocol -- HTTP/1.0
RFC 2616 - Hypertext Transfer Protocol -- HTTP/1.1
RFC 2817 - Upgrading to TLS Within HTTP/1.1  
RFC 1630 - Universal Resource Identifiers in WWW
RFC 3986 - Uniform Resource Identifier (URI): Generic Syntax
RFC 1867 - Form-based File Upload in HTML
 
Netscape AUTH=LOGIN
Unicode
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2017-01-04 / Phone
2017-01-04 / Tablet
Changed: 2017-01-04
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