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Editorial Team
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Asked: 2026-06-01T21:24:29+00:00

I’m using sendmail on one of my servers to send out error reports. I’m

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I’m using sendmail on one of my servers to send out error reports. I’m building this report by appending to a string and then I use sendmail to send the email. However, sendmail does not recognize the tabs in the string. I’m wondering how do I fix this?

def sendMail(data):
     sendmail_location = "/usr/sbin/sendmail" # sendmail location
     p = os.popen("%s -t" % sendmail_location, "w")
     p.write("From: %s\n" % "test@example.com")
     p.write("To: %s\n" % "test2@example.com")
     p.write("Subject: the subject\n")
     p.write(data)
     status = p.close()
     if status != 0:
         print "Sendmail exit status", status

An example string would be:

data = "%d\t%s\t%s\n" % (count, message, message2)
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1 Answer

  1. Editorial Team

    the way things look at the moment, that line is being treated as a header. you need a blank line after the headers:

    def sendMail(data):
     sendmail_location = "/usr/sbin/sendmail" # sendmail location
     p = os.popen("%s -t" % sendmail_location, "w")
     p.write("From: %s\n" % "test@example.com")
     p.write("To: %s\n" % "test2@example.com")
     p.write("Subject: the subject\n")
     p.write("\n")                                 # blank line
     p.write(data)
     status = p.close()
     if status != 0:
         print "Sendmail exit status", status
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