The 27-year-old midfielder is a target for Kaizer Chiefs boss Nasreddine Nabi.
The pair know each other well from their time at Young Africans where Nabi converted Salum from a deep-lying player to a potent attacker.
Speaking to Azam TV, Mokwena explained that he has no intentions to release the Tanzania international, but accepts he might want to move on.
The former Mamelodi Sundowns boss said: "He's a very good player, one of the best on the continent>
"For me, Feisal is very special, and for me I like his personality. Not only as a footballer, but also as a human being."
Mokwena added: "We expect Feisal to deliver results because we are paying him a lot of money. However, if he decides to leave, that will be his choice. We are not stopping him from leaving.
"We have no plans to let Feisal go. But if a team makes an offer that meets our expectations, we will not stand in his way. However, as of now, we have not received any offers from any club."
Wydad Casablanca have announced that head coach Rulani Mokwena has been placed on "exceptional leave" for the remaining games and will officially depart the Moroccan club at the end of the season.
Wydad Athletic Club coach Rulani Mokwena has reiterated his expectation to leave the Botola Pro 1 club at the end of the season.
Rulani Mokwena will leave his job as head coach of Wydad Casablanca at the end of the current Botola Pro 1 season.
Wydad Athletic Club coach Rulani Mokwena has defended his team by insisting it is not realistic for fans to expect victories from every game they play.
