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Editorial Team
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Asked: 2026-05-23T20:36:58+00:00

I am trying to send an email with a csv file for attachement. I

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I am trying to send an email with a csv file for attachement.
I do the following but I only receive an email with a empty csv file (and not with the content of it). Can you please help me on that?
I don’t want to use any extra library so please don’t tell me to use pony or so 😉

to="me@exemple.com"
subject='The subject'
from='"Name" <you@exemple.com>'
description ="Desc"

csvnamefile = "/path/to/file/filename.csv"

puts  value = %x[/usr/sbin/sendmail #{to} << EOF
subject: #{subject}
from: #{from}
Content-Description: "#{csvnamefile}"
Content-Type: multipart/mixed; name="#{csvnamefile}"
Content-Transfer-Encoding:base64
Content-Disposition: attachment; filename="#{csvnamefile}"
Description : #{description}
EOF]

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1 Answer

  1. Editorial Team

    /usr/sbin/sendmail doesn’t know anything about attachments and treats email message body according to RFC 5322 as flat US-ASCII text. To send a file as attachment you need to format your message as MIME message according to RFC 2045. For example of such a message see Appendix A to RFC 2049.

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