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Thunderbird for Mac: Adding ECN SMTP as Outbound Server

In a situation where your regular @purdue.edu email is being rejected, using ECN's SMTP server with a secondary(backup) identity can potentially be used as a workaround/backup.

For example, ECN's SMTP server may work as a temporary solution if you receive a message such as the following:

 

-------- Original Message --------

Subject: Returned mail: see transcript for details
Date: Tue, 13 Dec 2016 08:50:04 -0500
From: Mail Delivery Subsystem <MAILER-DAEMON@purdue.edu>
To: <user@purdue.edu>
 
The original message was received at Tue, 13 Dec 2016 08:49:46 -0500
from John Doe
 
    ----- The following addresses had permanent fatal errors -----
<user@college.EDU>
     (reason: 554-mx.college.edu)
<user@department.college.edu>
     (reason: 550 #5.7.1 Your message was rejected because your sending MTA
(128.210.5.248) is blocked.  If you believe this to be in error, please
forward this notice to postmaster@college.edu via alternate means.)
 
    ----- Transcript of session follows -----
... while talking to mx.college.edu.:
<<<  554-mx.college.edu
<<<  554 Your access to this mail system has been rejected due to the
sending MTA's poor reputation or other malicious behavior. If you believe
that this failure is in error, please contact the intended recipient via
alternate means.
554 5.0.0 Service unavailable
... while talking to inbound.college.edu.:
>>>  RCPT To:<user@department.college.edu>
<<<  550 #5.7.1 Your message was rejected because your sending MTA
(128.210.5.248) is blocked.  If you believe this to be in error, please
forward this notice to postmaster@college.edu via alternate means.
550 5.1.1<user@department.college.edu>... User unknown
>>>  DATA
<<<  503 #5.5.1 RCPT first
<user@college.edu>... Deferred: Connection timed out with
nef.college.edu.
 
 
The contents of the rejected mail (similar to the above) should be sent to the ITaP messaging admins at ITaP@purdue.edu. In the subject line, make sure to include the following-- "Attn: Messaging Admins."-- so ITaP can look into solving this issue as well.

Since you use smtp.purdue.edu by default, ECN's SMTP servers should only be used on an as-needed basis for this purpose.

It is also important to note that when your password changes, you will have to edit the account information for ECN's SMTP server on EVERY computer/identity that uses ECN's SMTP server as a backup.

 

To set up ECN's SMTP as an outbound server in Thunderbird for Mac, do the following:

With Thunderbird as the active window, go to "Tools" and select "Account Settings"

 

Tbird-01.png

 

 

On the left-hand side of the menu, find "Outgoing Server (SMTP)" and click "Add..."

 

Tbird-02e.png

 

 

 

Fill out the following information:

  • Description: smtp.ecn.purdue.edu

  • Server Name: smtp.ecn.purdue.edu

  • Port: 465

  • Connection Security: SSL/TLS

  • Authentication Method: Normal Password 

  • User Name: Your Purdue Career Account Username

Select "OK"

 

Tbird-03.png

 

 

On the left-hand side of the menu, select youraccount@purdue.edu. 

In the lower right-hand corner of the screen, click "Manage Identities..."

 

Tbird-04e.png

 

 

On the right-hand side click "Add..."

 

Tbird-05e.png

 

 

Fill out the following information:

  • Your Name: This name MUST be different from the name of your default identity. We suggest using "Your Name ECN SMTP."

  • Email Address: youremailaddress@purdue.edu

At the bottom of the menu, open the drop down menu labeled "Outgoing Server (SMTP)" and select "smtp.ecn.purdue.edu"

Click "OK"

 

Tbird-06e.png

 

 

Check that there are two identities for your account and click "Close"

 

Tbird-07.png

 

Click "OK" to close the account settings menu

 

Tbird-08.png

 

In the event that an email is rejected, you should now be able to send the email again using the backup identity which uses ECN's SMTP server. To do this, expand the drop-down menu in the "From" field and select the backup identity before sending.

This can also be used to send email to addresses which have had mail rejected in the past.

 

Tbird-09.png

 

This setting will reset to the default identity when a new email is composed so you should only have to change this when you encounter an issue such as a blocked email.

 

Last Modified: Jan 8, 2020 3:14 pm US/Eastern
Created: Dec 13, 2016 2:02 pm US/Eastern by admin
JumpURL: https://eng.purdue.edu/jump/1f3bf31