send gmail using powershell [duplicate] - powershell

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sending email with gmail using powershell
(3 answers)
Closed 4 years ago.
I'm developing a simply monitoring too for my home and I need it to send me an email. However, no matter what I try, it is not connecting to my gmail account to send the notification - or even a simple test message. I have a script that is working for a utility I wrote for work, but that is using the corporate SMTP relay. I'm not going to mix work and personal resources.
I have spent the past 4-5 weeks digging through this and trying several other development languages. All have come up with similar problems.
I have attempted the following:
Turned on less secure apps
Tried a variety of ports, 25, 465, 587
Turned on and off SSL
Tried various forms of my username (email address)
Turned on 2-factor authentication and created an app password for this utility
Attempted to turn on TLS - as one error indicated I needed a starttls command.
With Powershell, I seem to get two common errors. The first one is dependent on the parameters I'm sending to the Send argument - regardless, it fails.
[Screenshot of error - ][1]
I have been on multiple forums and sites. All of the suggested code appears to be all variants of the same structure, as is the working one for my office - just using our own mail system.

Answer 1

You should be able to use Send-MailMessage for this. Here's an example for sending an email securely using Gmail's SMTP server (including how to securely store your credential for further use later or in automation):
# Securely enter your Gmail credential
$cred = Get-Credential
# Store it off in a file if you want to reuse it later from the same box
# Password is encrypted and only your user on the same box can decrypt it
$cred | Export-CliXml \Path\To\GmailCredential.xml
# Import the credential from the file later
$cred = Import-CliXml \Path\To\GmailCredential.xml
# Send the mail message (use -BodyAsHtml instead of -Body if you have an HTML body)
$sendMailArguments = #{
SmtpServer = "smtp.gmail.com"
Credential = $cred
UseSsl = $true
Port = 587
To = "mailbox#domain.tld"
From = "youremail#domain.tld"
Subject = "Subject of the email"
Body = "Body of the email"
}
Send-MailMessage #sendMailArguments
Note that if you have Multi-Factor Authentication (MFA) set up you will need an app-specific credential to auth to Gmail, which would be a required step as well for setting up an email client for a Gmail account using MFA.
If you can't reach smtp.gmail.com, then it's likely you have a firewall blocking traffic to that server and port.
And if you want to better understand why I'm calling Send-MailMessage with a hashmap of arguments instead of specifying each parameter separately, see the comment discussion on this answer, and read up on Splatting here: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_splatting?view=powershell-6