Office 365 password expiry email

gistfile1.txt

# Please Configure the following variables....
$smtpServer="###########SMTP SERVER GOES HERE###########"
$expireindays = 10
$from = "############EMAIL GOES HERE##############"
$logging = "Enabled" # Set to Disabled to Disable Logging
$logFile = "c:\scripts\logs\o365passwordreminder.csv" # ie. c:\mylog.csv
$date = Get-Date -format ddMMyyyy
#
###################################################################################################################


$pass = cat c:\scripts\secure\365securestring.txt | convertto-securestring                                                           

$mycred = new-object -typename System.Management.Automation.PSCredential -argumentlist "############Admin email to log into o365 goes here##############",$pass  

# Connect to Office 365
connect-MsolService -Credential $mycred 

# Get Users From MSOL where Passwords Expire
$users = get-msoluser | where { $_.PasswordNeverExpires -eq $false }

$domain = Get-MSOLDomain | where {$_.IsDefault -eq $true }
#$maxPasswordAge = ((Get-MsolPasswordPolicy -domain $domain.Name).ValidityPeriod).ToString()
$maxPasswordAge = "90"
# Check Logging Settings
if (($logging) -eq "Enabled")
{
    # Test Log File Path
    $logfilePath = (Test-Path $logFile)
    if (($logFilePath) -ne "True")
    {
        # Create CSV File and Headers
        New-Item $logfile -ItemType File
        Add-Content $logfile "Date,Name,EmailAddress,DaystoExpire,ExpiresOn"
    }
} # End Logging Check

# Get Users From AD who are Enabled, Passwords Expire and are Not Currently Expired

$fulllist="Passwords about to Expire"+"`n"


# Process Each User for Password Expiry
foreach ($user in $users)
{
    $Name = $user.DisplayName
    $emailaddress = $user.UserPrincipalName
    $passwordSetDate = $user.LastPasswordChangeTimeStamp
    $expireson = $passwordsetdate + $maxPasswordAge
    $today = (get-date)
    $daystoexpire = (New-TimeSpan -Start $today -End $expireson).Days
        
    # Set Greeting based on Number of Days to Expiry.

    # Check Number of Days to Expiry
    $messageDays = $daystoexpire
    if (($messageDays) -ge "1")
    {
        $messageDays = "in " + "$daystoexpire" + " days."
    }
    else
    {
        $messageDays = "today."
    }

    # Email Subject Set Here
    $subject="Your email password will expire $messageDays"
  
    # Email Body Set Here, Note You can use HTML, including Images.
    $body ="
    Dear $name,
    <p> Your Email Password will expire $messageDays<br>
    To change your password, go to portal.office.com and change it. <br>
    If you don't know your current password, please contact IT Support for assistance.
    <p>Thanks, <br> 
    </P>"

    if (($daystoexpire -ge "0") -and ($daystoexpire -lt $expireindays))
    {
        $fulllist += $emailaddress + " , " + $messageDays + "`n"
        Send-Mailmessage -smtpServer $smtpServer -from $from -to $emailaddress -subject $subject -body $body -bodyasHTML -priority High  
        Add-Content $logfile "$emailaddress,emailed"

    } # End Send Message
   
    Add-Content $logfile "$date,$Name,$emailaddress,$daystoExpire,$expireson" 
    
} # End User Processing

Send-Mailmessage -smtpServer $smtpServer -from $from -to $from -subject "Password Expiry" -body $fulllist

# End