altermime: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On CentOS possible default full paths are:

/usr/bin/altermime - from package: altermime

You may install the required package with command yum install {package}

On Debian possible default full paths are:

/usr/bin/altermime - from package: altermime

You may install the required package with command apt-get install {package}

Error in other languages:
altermime: bevel nie gevind nie
altermime: comandă negăsită
altermime: comando não encontrado
altermime: commande introuvable
altermime: command not found
altermime: käsku ei ole
altermime: không tìm thấy lệnh
altermime: komanda nerasta
altermime: Kommando nicht gefunden.
altermime: kommandot finns inte
altermime: komut yok
altermime: nie znaleziono polecenia
altermime: níor aimsíodh an t-ordú
altermime: no se encontró la orden
altermime: no s'ha trobat l'ordre
altermime: opdracht niet gevonden
altermime: parancs nem található
altermime: perintah tidak ditemukan
altermime: príkaz nenájdený
altermime: příkaz nenalezen
altermime: команда не найдена
altermime: командата не е открита
altermime: 命令找不到
altermime: コマンドが見つかりません