attachment

SQR: Email sent Successful but No Attachment (UNIX)

Hello,

I have created SQR for sending email with .CSV file as an attachment on Unix. Everything is fine email is also generated and process is Successful, but there is no attachment to the email. Instead of it there is some non-readable text is appended to the email body.
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[Email Body]
644 Multi_Clm_Loaded.csv
M(%)E<&]R="!O9B!#;&%I;7,@=VET:"!A;B!%9F9E8W1I=F4@9&%T92!I;B!T
M:&4@4&%S="`-"D9E960@1&%T92Q#;VUP86YY+%!A>4=R;W5P+$-L86EM(%1Y
M<&4L4F5C;W)D(%1Y<&4L0VQA:6T@4W1A='5S($-D+$5M<&QI9"Q&:7)S="!N
[This data is near about 2/3 pages long]