Your problem is use of single-quotes which do not interpolate any variables ... 

... '|/bin/mailx -s "Happy Birthday" $email' ...

[download]

... so reverse the quotes used: qq{|/bin/mailx ... $mail_addr}.

In reply to Re: How to put email addresses in a variable and send mails via mailx command by Anonymous Monk
in thread How to put email addresses in a variable and send mails via mailx command by Kislaya

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