Du kommst an den Inhalt deiner Zwischenablage mit ClipGet() und über ClipPut("") kannst du die Zwischenablage danach leeren.
Das ganze kannst du dann z.B. über diese http://www.autoitscript.com/forum/topic/23…nd-attachments/ UDF verschicken .. 
Spoiler anzeigen
;##################################
; Include
;##################################
#Include<file.au3>
;##################################
; Variables
;##################################
$SmtpServer = "" ; address for the smtp-server to use - REQUIRED
$FromName = "Name" ; name from who the email was sent
$FromAddress = "" ; address from where the mail should come
$ToAddress = "" ; destination address of the email - REQUIRED
$Subject = "Test123" ; subject from the email - can be anything you want it to be
$Body = ClipGet() ; the messagebody from the mail - can be left blank but then you get a blank mail
$AttachFiles = "" ; the file(s) you want to attach seperated with a ; (Semicolon) - leave blank if not needed
$CcAddress = "CCadress1@test.com" ; address for cc - leave blank if not needed
$BccAddress = "BCCadress1@test.com" ; address for bcc - leave blank if not needed
$Importance = "Normal" ; Send message priority: "High", "Normal", "Low"
$Username = "" ; username for the account used from where the mail gets sent - REQUIRED
$Password = "" ; password for the account used from where the mail gets sent - REQUIRED
$IPPort = 25 ; port used for sending the mail
$ssl = 1 ; enables/disables secure socket layer sending - put to 1 if using httpS
;~ $IPPort=465 ; GMAIL port used for sending the mail
;~ $ssl=1 ; GMAILenables/disables secure socket layer sending - put to 1 if using httpS
;##################################
; Script
;##################################
Global $oMyRet[2]
Global $oMyError = ObjEvent("AutoIt.Error", "MyErrFunc")
$rc = _INetSmtpMailCom($SmtpServer, $FromName, $FromAddress, $ToAddress, $Subject, $Body, $AttachFiles, $CcAddress, $BccAddress, $Importance, $Username, $Password, $IPPort, $ssl)
If @error Then
MsgBox(0, "Error sending message", "Error code:" & @error & " Description:" & $rc)
EndIf
CLipPut("")
;
; The UDF
Func _INetSmtpMailCom($s_SmtpServer, $s_FromName, $s_FromAddress, $s_ToAddress, $s_Subject = "", $as_Body = "", $s_AttachFiles = "", $s_CcAddress = "", $s_BccAddress = "", $s_Importance="Normal", $s_Username = "", $s_Password = "", $IPPort = 25, $ssl = 0)
Local $objEmail = ObjCreate("CDO.Message")
$objEmail.From = '"' & $s_FromName & '" <' & $s_FromAddress & '>'
$objEmail.To = $s_ToAddress
Local $i_Error = 0
Local $i_Error_desciption = ""
If $s_CcAddress <> "" Then $objEmail.Cc = $s_CcAddress
If $s_BccAddress <> "" Then $objEmail.Bcc = $s_BccAddress
$objEmail.Subject = $s_Subject
If StringInStr($as_Body, "<") And StringInStr($as_Body, ">") Then
$objEmail.HTMLBody = $as_Body
Else
$objEmail.Textbody = $as_Body & @CRLF
EndIf
If $s_AttachFiles <> "" Then
Local $S_Files2Attach = StringSplit($s_AttachFiles, ";")
For $x = 1 To $S_Files2Attach[0]
$S_Files2Attach[$x] = _PathFull($S_Files2Attach[$x])
;~ ConsoleWrite('@@ Debug : $S_Files2Attach[$x] = ' & $S_Files2Attach[$x] & @LF & '>Error code: ' & @error & @LF) ;### Debug Console
If FileExists($S_Files2Attach[$x]) Then
ConsoleWrite('+> File attachment added: ' & $S_Files2Attach[$x] & @LF)
$objEmail.AddAttachment($S_Files2Attach[$x])
Else
ConsoleWrite('!> File not found to attach: ' & $S_Files2Attach[$x] & @LF)
SetError(1)
Return 0
EndIf
Next
EndIf
$objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/sendusing") = 2
$objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/smtpserver") = $s_SmtpServer
If Number($IPPort) = 0 then $IPPort = 25
$objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/smtpserverport") = $IPPort
;Authenticated SMTP
If $s_Username <> "" Then
$objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate") = 1
$objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/sendusername") = $s_Username
$objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/sendpassword") = $s_Password
EndIf
If $ssl Then
$objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/smtpusessl") = True
EndIf
;Update settings
$objEmail.Configuration.Fields.Update
; Set Email Importance
Switch $s_Importance
Case "High"
$objEmail.Fields.Item ("urn:schemas:mailheader:Importance") = "High"
Case "Normal"
$objEmail.Fields.Item ("urn:schemas:mailheader:Importance") = "Normal"
Case "Low"
$objEmail.Fields.Item ("urn:schemas:mailheader:Importance") = "Low"
EndSwitch
$objEmail.Fields.Update
; Sent the Message
$objEmail.Send
If @error Then
SetError(2)
Return $oMyRet[1]
EndIf
$objEmail=""
EndFunc ;==>_INetSmtpMailCom
;
;
; Com Error Handler
Func MyErrFunc()
$HexNumber = Hex($oMyError.number, 
$oMyRet[0] = $HexNumber
$oMyRet[1] = StringStripWS($oMyError.description, 3)
ConsoleWrite("### COM Error ! Number: " & $HexNumber & " ScriptLine: " & $oMyError.scriptline & " Description:" & $oMyRet[1] & @LF)
SetError(1); something to check for when this function returns
Return
EndFunc ;==>MyErrFunc
alle nötigen Daten eingeben und dann solltes gehn 