How to set the From email address for mailx command?

How to set the From email address for mailx command?

shell email solaris ksh mailx

shell

Sending simple message body + file attachment using Linux Mailx [duplicate]

shell mailx

shell

How to use mailx to send file as text and add extra text to email body?

shell ksh mailx

shell

linux mail adding content type headers not working

linux bash shell mailx

shell

executing mailx command in shell script

shell mailx

shell

need to send two attachments as email body one as plain text and other as html

shell unix sendmail mailx

shell