Test-SMTP

$authemail = "[email protected]"
$authpassword = "UserPassword1!"
$smtpserver = "smtp.office365.com"
$smtpport = "587"
$fromemail = "[email protected]"
$toemail = "[email protected]"
$timestamp = Get-Date -Format "dddd MM/dd/yyyy HH:mm K"


[System.Net.ServicePointManager]::SecurityProtocol = 'Tls,TLS11,TLS12'
$secpasswd = ConvertTo-SecureString $authpassword -AsPlainText -Force
$cred = New-Object System.Management.Automation.PSCredential ($authemail, $secpasswd)

$sendMailMessageSplat = @{
	SmtpServer = $smtpserver
	Port = $smtpport
	UseSsl = $true
	Credential = $cred
	From = $fromemail
	To = $toemail
	Subject = "Powershell Email Test"
	Body = $timestamp
}
Send-MailMessage @sendMailMessageSplat