To prevent suchlines from being improperly fed to suchmail
delivery agents, sendmail offers the F=E delivery agent flag. This delivery agent flag tells
sendmail to insert a > character at the front of all but the first such lines found. Consider
the following:
From tim@here.us.edu Fri Dec 13 13:00:03 2002
From now on, let's meet on Saturdays instead of Tuesdays,
like we discussed.
If the F=E delivery agent flag is specified for the delivery agent that delivers the preceding
message, sendmail converts it to read:
From tim@here.us.edu Sat Dec 14 13:00:03 2002
>From now on, let's meet on Saturdays instead of Tuesdays,
like we discussed.
This F=E delivery agent flag is rarely needed, and is routinely included only withth e *file*
delivery agent. Usually, the program specified by the local delivery agent definition
handles From line conversions. This delivery agent flag should be used only withdelivery
agents that handle final local delivery.
* According to Eric Allman, ???It??™s assumed that if you say you want to watch delivery, you really want to watch
it.???
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
20.8 Delivery Agent F= Flags | 771
20.8.25 F=f
Delivery agent adds -f to argv All versions
If sendmail is run witha -f command-line switch(?§6.7.24 on page 241) and if the F=f
delivery agent flag is specified, the A= for this delivery agent will have the two additional
arguments -f and $g inserted between its argv[0] and argv[1].
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