Sending mail from the Outbox on WLM 2012

Hi
I am using Windows Live Mail 2012 on Windows 7 64 bit. The program is set up to transfer finished mail to the Outbox before sending, to give me time to check it.

However, when I open the Outbox the mail is there waiting to be sent BUT after a minute or so it sends itself without any input from me. This means there is sometimes not enough time to check over a long email before it is sent. This does not happen every time and the delay between arriving in the Outbox and being sent varies from a few seconds to a few minutes. The program should allow mail to stay in the Outbox until I press the "send" button and not to be sent when WLM thinks its time is up!

Is this a fault with the system or is there some delay function that I have forgotten to set?

Thanks

Hi Roderunner
Thanks for your reply, but I'm afraid it doesn't solve the problem. When you click on "send later" in Options the message is sent to the Outbox, so it gets me back to the same positiion I was in before.
Thanks anyway

Thanks again Roderunner. Yes, the method you suggest is fine and I will probably use it. But it would still be nice to know why messages get sent automatically from the Outbox (and at random times) whilst I am still reading them.
Must be Gremlins in the system!
Cheers.

Hi
The "send and receive messages at start up" box is ticked but the "send messages immediately" is not. This means that when I send an email I get a message which says that the email will be placed in the "Outbox" and will be sent when I send or receive the next email.
I've always taken this to mean that it will be sent when I next send any message as this involves me hitting the "send and receive" button. Anything in the Outbox will then of course go out. But perhaps it means that anything in the Outbox will be sent when any new email comes in. I've not checked this out, but it may be the case.

Thanks Roderunner for your very comprehensive reply. I've looked all through your settings and they are largely the same as my own.
I'm not in fact new to WLM, I've been using it for a few years (yes, I have got the latest version) but it's only recently (the last few months or so) that I've been having any problems. It's unfortunate that the problem is intermittent, which doesn't help when you try to find a solution. All the comments that you have made during this thread have been taken on board but, as far as I can say, the problem still remains. I cannot say when it will next happen - but I know it will.
I think from now on I will not leave messages in the Outbox before sending but will put them, as you suggested, into the Drafts folder. It's too risky leaving them in the Outbox while I re-read them as I don't know when WLM will suddenly decide to send them, with no input from me.
I may have to live with this as a WLM glitch specific just to me, as no one else I've spoken to seems to have the same problem.
Thanks for all your help though.