In an e-mail similar to this, where is it correct to add a post script?

Before or after the signature?

Dear Professor X,

I am John Smith....

​Sincerely yours, ​

John Smith

P.S. Position 1

VLSI Design Lab
Department of Computer Engineering
X University of Technology 11155-11365

P.S. Position 2

  • 2
    Is there really anyone who reads emails down to position 2? ;-) Commented Oct 23, 2014 at 9:55

1 Answer 1


A postscriptum was added to a handwritten letter to avoid having to copy all of it only to add in an afterthought. When you write digitally and have the option to easily rewrite any part of your letter before you email it, a postscriptum is completely out of place.

An email, especially to a person of consequence to your carreer, should be a carefully thought out and crafted piece of writing, so take the time and make the effort to work in your afterthought into the body of your email. Even if it is completely unrelated to the rest of your email, there is still no reason why you could not open another topic and insert it before the complimentary close.


Handwritten letter



Your Name

P.S. Joan just told me that she will be in Paris tomorrow and could meet you on short notice.



Joan will be in Paris tomorrow, and if you have time for a meeting on such short notice, let her know.


Your Name

If you must add a postscript, and you give your address as a signature at the end of your email, add the postscript immediatly after the complimentary close, and before the signature. The postscript is part of the "letter", the signature is not.

Many signatures are separated from the email by a dashed line or other elements, and adding the postscript after the signature will make it appear as part of that signature (and possibly overlooked).

Do not do this:



Your Name

Your Name
25, Your Street
Your City, NN 12345
Phone 123-456-890

P.S. Stuff that will seem as if you add it to every email and will be ignored.

  • But can you please answer my question too?
    – Behnam
    Commented Oct 23, 2014 at 7:25
  • 1
    @Campiador Like that???
    – user5645
    Commented Oct 23, 2014 at 7:32
  • This answer isn't taking into account the marketing perspective (perhaps for good reason) -- people read the PS and marketers use that. While tech has advanced, the day-to-day person still sees things for what they were and presume what they are receiving is a digital of what they would have physically received. Now, taking that to ad nauseum won't help, but if there's 1 major point and you put it in a PS, it's likely to be read. Commented Oct 24, 2014 at 5:49
  • I stop reading an email when I see the signature, believing that I have reached the end of the message and what comes below is only addresses and my own quoted messages. I do not read below the signature.
    – user5645
    Commented Oct 24, 2014 at 6:13

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