As far as I know, you are allowed to post links to your exchange on altcoins announcement threads after they are listed on your exchange. But this shouldn't lead to spam.
Take a look at
post history of bunterfisch.
bunterfisch made 68 posts on July 28 and 64 posts on July 29.
If you did something similar, you deserved the ban.
Post history of bunterfisch on Loyce.clubYes i did something similar to this . What will make it not spam as i would like to post properly ?