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4407 Purported Responsible Address in E-Mail Messages. J. Lyon. April2006. (Format: TXT=14387 bytes) (Status: EXPERIMENTAL)4408 Sender Policy Framework (SPF) for Authorizing Use of Domains inE-Mail, Version 1. M. Wong, W. Schlitt. April 2006. (Format:TXT=105009 bytes) (Status: EXPERIMENTAL)4409 Message Submission for Mail. R. Gellens, J. Klensin. April 2006.(Format: TXT=34911 bytes) (Obsoletes RFC2476) (Status: DRAFTSTANDARD)4410 Selectively Reliable Multicast Protocol (SRMP). M. Pullen, F.Zhao, D. Cohen. February 2006. (Format: TXT=65877 bytes) (Status:EXPERIMENTAL)4411 Extending the Session Initiation Protocol (SIP) Reason Header forPreemption Events. J. Polk. February 2006. (Format: TXT=49260 bytes)(Status: PROPOSED STANDARD)4412 Communications Resource Priority for the Session InitiationProtocol (SIP). H. Schulzrinne, J. Polk. February 2006. (Format:TXT=79193 bytes) (Status: PROPOSED STANDARD)4413 TCP/IP Field Behavior. M. West, S. McCann. March 2006. (Format:TXT=28435 bytes) (Status: INFORMATIONAL)4414 An ENUM Registry Type for the Internet Registry InformationService (IRIS). A. Newton. February 2006. (Format: TXT=89985 bytes)(Status: PROPOSED STANDARD)4415 IANA Registration for Enumservice Voice. R. Brandner, L. Conroy,