Fp

F=p

Process return path per RFC821 Deprecated

The MAIL FROM: command normally uses the envelope address for the sender:

 MAIL From:<jqp@wash.dc.gov> 

If the F=p delivery agent flag is specified, sendmail instead sends a transformed version of that address. The transformation can take one of two forms, depending on the first character of the envelope address. If that address begins with an @ character, an @ , the local hostname, and a comma are prefixed to that address to create a legal return path:

 <@hub:jqp@wash.dc.gov>   becomes   <@ourhost,@hub:jqp@wash.dc.gov> 

If the envelope address for the sender does not start with an @ character, an @ , the local hostname, and a colon are prefixed to that address:

 <jqp@wash.dc.gov>  becomes <@ourhost:jqp@wash.dc.gov  

See also the DontPruneRoutes option (DontPruneRoutes).

Note that these forms of address transformations are discouraged by RFC1123. For this reason the F=p delivery agent flag is deprecated and might be removed from future versions of sendmail .



Sendmail
sendmail, 4th Edition
ISBN: 0596510292
EAN: 2147483647
Year: 2002
Pages: 1174

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