-x

-x

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Ignored

OSF and AIX 3.x only

V8 sendmail prints an error if an illegal switch is specified (whereas other versions of sendmail silently ignore them). The mailx program that is supplied with OSF/1 and AIX issues an illegal -x switch. To keep sendmail from uselessly complaining under OSF/1 and AIX, that switch is specifically ignored. To get the same behavior with AIX under V8.1 sendmail , look for _osf_ in main.c and uncomment the code necessary to ignore that switch.