A postage stamp !
you stick it on an envelope before mailing it
You Have to address it, and put a stamp on it.
A Postage Stamp.
Before posting a letter, you should place a stamp in the upper right corner of the envelope. Additionally, ensure the recipient's address is clearly written in the center of the envelope, with the return address in the top left corner. It's also important to seal the envelope securely.
Before sending a letter, you stick a postage stamp on it. The stamp indicates that the postage has been paid for the delivery of the letter. Additionally, you may also include the recipient's address and your return address on the envelope.
Wrong forum. Before posting check WHERE you are posting! You have posted this in "Wayne Rooney."
Prior to posting the letter.
But what? Finish your questions before posting.
'remember to post' is future tense 'remember posting' is past tense
That really depends on many factors such as, what you are posting i.e. a letter or package, from where you are posting it and the size and weight of the item.
an application letter is used to apply for a specific job and includes keyboards from the jobs posting
I envy you for posting this question before me...