[ObsoleteAttribute("Use method MailFromAsync instead.")]
public IAsyncResult BeginMailFrom(
	string from,
	long messageSize,
	SMTP_DSN_Ret ret,
	string envid,
	AsyncCallback callback,
	Object state
)

<ObsoleteAttribute("Use method MailFromAsync instead.")>
Public Function BeginMailFrom ( 
	from As String,
	messageSize As Long,
	ret As SMTP_DSN_Ret,
	envid As String,
	callback As AsyncCallback,
	state As Object
) As IAsyncResult

public:
[ObsoleteAttribute(L"Use method MailFromAsync instead.")]
IAsyncResult^ BeginMailFrom(
	String^ from, 
	long long messageSize, 
	SMTP_DSN_Ret ret, 
	String^ envid, 
	AsyncCallback^ callback, 
	Object^ state
)

[<ObsoleteAttribute("Use method MailFromAsync instead.")>]
member BeginMailFrom : 
        from : string * 
        messageSize : int64 * 
        ret : SMTP_DSN_Ret * 
        envid : string * 
        callback : AsyncCallback * 
        state : Object -> IAsyncResult