If you were supposed to get an email from the forum but didn't (e.g. to verify your account for registration), email Wes at stararmy@gmail.com or talk to me on Discord for help. Sometimes the server hits our limit of emails we can send per hour.
If the post had no value or was off-topic, it might have been deleted as junk. When posting a reply, be sure it is revelant to the subject of the topic.
If it was in the questions forum, it might have been deleted because it wasn't an considered "official" answer to a question.