status=deferred (host xx.com[x.x.x.x] refused to talk to me: 451 4.7.1 Please try again later) – Postfix admin 4 years ago Solusi : Berarti cek domain tujuan ( bisa menggunakan traceroute ke IP atau domain tujuan) – biasanya traceroute ga sampe ke server tujuan ( routing internet ) Cara Memblok Sender yang spamming di postfixDateMay 24, 2018In relation toPostfixCara Blok recepient / Mail sending out di postfixDateJuly 24, 2018In relation toPostfixZimbra & Postfix CommandDateOctober 18, 2017In relation toPostfixBaca Juga : Bypass IP dari amavis Zimbra
