siang master2 semua...ane ada kasus nih gan...udah setup zimbra 8.7 di virtual trus kaga bs kirim ke internet..ternyata IP Public ane kena ban..nah ane pake smtp relay pake panduan nya om vavai (https://vavai.com/2007/07/13/isp-smtp-authentication-relay-dengan-zimbra-collaboration-suite) ..bisa k...
