Forum Discussion

JernejP's avatar
JernejP
Icon for Microsoft rankMicrosoft
Jul 15, 2020

Using PowerShell to create 15k accounts and email account data

Hi,   We have a project where we will have to create 15000 new user accounts. I will get the information for the users (such as first name, last name, and email address where to send account info...
Azure Active Directory (AAD)
microsoft 365
JernejP's avatar
JernejP
Icon for Microsoft rankMicrosoft

Hi ShellBlazer 

This gives me the following error:

Exception calling "Send" with "1" argument(s): "Failure sending mail."
At C:\Smail2.ps1:33 char:1
+ $Smtp.Send($Message)
+ ~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : SmtpException
ShellBlazer's avatar
ShellBlazer
Brass Contributor
Jul 16, 2020

JernejP 

 

You can verify if the port is open with telnet. 

In windows 10 telnet is not by default available. 

 

1. You can do this with Putty: 

=> 

220 AM0PR06CA0073.outlook.office365.com Microsoft ESMTP MAIL Service ready at Thu, 16 Jul 2020 06:47:41 +0000

2. Use the telnet command in WSL (subsystem for linux). 

telnet smtp.office365.com 587
Trying 40.101.81.162...
Connected to ams-efz.ms-acdc.office.com.
Escape character is '^]'.
220 AM0PR06CA0118.outlook.office365.com Microsoft ESMTP MAIL Service ready at Thu, 16 Jul 2020 06:44:07 +0000

 

If connection is not working, you probably have to look at the outbound connection first. And than my first guess is Firewall, second Policy. And maybe this connection attempt will get you a more descriptive error. 

Resources