Frequently Asked Questions

61. How do I send bulk mail?

Use Bcc in your normal mail program

1. In this example we will use the webmail for sending the mail. First create a list of recipients in Excel.
   

   

2. Compose a mail in the webmail, Activate the Bcc-field (click on Bcc) and then copy and paste all the recpients into the Bcc-field. Put yourself in the To-field. You do not want everyone to be able to reply all to everyone receiving the mail, do you?

3. Write your mail and send.

Use a mailing list at Sympa

If you wish to send to the list of persons several times you maybe want to create a mailing list on the mailing list server.

You can create a mailing list for this purpose who only you can send to. Please send a message to servicedesk@uu.se and tell them what you want. Visit the Mailing list service Sympa.

Make sure only you are allowed to send to the list.

Send the bulk mail with a script

This solution requires some basic knowledge in using a text editor like Vi, Nano, Emacs or the built in TextEdit in macOS. If you do not know how to do that then this solution is not for you.

1. Put all your recipients in a file like this, one recipient on each line and call it to.txt.

   jerker.nyberg.1@bmc.uu.se jerker.nyberg.2@bmc.uu.se jerker.nyberg.3@bmc.uu.se

2. Create your message in a file called message.txt like this. Change the subject and the sender address.

   Subject: The subject of the mail From: persona.non.grata@example.uu.se MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=utf-8 Content-Transfer-Encoding: 8BIT Hello all, Please read this important information. Bla bla bla. Kind regards, Jerker Nyberg von Below, UU BMC

3. Then create a script that does the sending. Call it bulkmail.sh. Change the sender address again.

   #!/bin/bash REFILE=$1 BODY=$2 if test ! -e "$BODY" ; then echo Error file $BODY does not exist exit 5 fi if test ! -e "$REFILE" ; then echo Error file $REFILE does not exist exit 5 fi cat "$REFILE" | while read RE ; do echo Sending to $RE ( echo To: $RE cat $BODY ) | /usr/sbin/sendmail -f persona.non.grata@example.uu.se "$RE" done

   Make sure the script is exacutable.

   $ chmod +x bulkmail.sh $ _

4. Make sure you can send mail via the university mail server from your computer. If this is a macOS machine you want to set the replay host to smtp.uu.se. You do this by adding the following row to the file /etc/postfix/main.cf. This will only work when you are located on the Upppsala University network.

   relayhost = smtp.uu.se

   You may need to restart the computer after this is done.

5. Run the script like this:

   $ ./bulkmail.sh to.txt message.txt Sending to jerker.nyberg.1@bmc.uu.se Sending to jerker.nyberg.2@bmc.uu.se Sending to jerker.nyberg.3@bmc.uu.se $ _

   
   
   
    

   This entry bulk.mail was last modified 2019-01-25

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