Problem :
IP public terblacklist BARRACUDA setelah di cek di https://mxtoolbox.com/blacklists.aspx
Solusi :
- Buka https://barracudacentral.org/lookups
- Masukan IP nya
- kemudian lookup , jika di blacklist masuk ke form
- masukan IP , email , no HP dan alasan minta di delist
- lalu submit
