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Sending e-mail from Rahti

The procedure is the same as for sending an e-mail from cPouta.

you need to configure your mail transfer agent (MTA) to use the following SMTP relay server (a.k.a. smarthost):

The server does not require authentication.

When sending e-mail, you need a valid Sender address in your e-mails, such as your university e-mail address, since this will be validated by the SMTP server. Please note that this is a different e-mail header attribute from the From attribute.

If you want to set up any services on Rahti that generate a large amount of SMTP traffic (e.g. public mailing lists), please contact the CSC Service Desk to coordinate this.


This python script could be used:

#!/usr/bin/env python

import smtplib

sender = ''
receivers = ['']

message = """From: SENDER NAME <%s>
Subject: SMTP e-mail test

This is a test e-mail message.
""" % (sender, receivers[0])

   smtpObj = smtplib.SMTP('')
   smtpObj.sendmail(sender, receivers, message)
   print("Successfully sent email")
except SMTPException:
   print("Error: unable to send email")
  • You should replace with your email, or the email you want to receive replies to.
  • You should replace as well with the destination email.

Last update: September 16, 2020