Jul 20 10:24:16 bunsen postfix/qmgr[1240]: 16F351C375: from=<>, size=3624, nrcpt=1 (queue active)
Jul 20 10:24:16 bunsen postfix/qmgr[1240]: 0E2711C386: from=<>, size=3544, nrcpt=1 (queue active)
Jul 20 10:24:16 bunsen postfix/qmgr[1240]: 7D9571C383: from=<>, size=3917, nrcpt=1 (queue active)
Jul 20 10:24:16 bunsen postfix/qmgr[1240]: DF2D71C36E: from=<>, size=3368, nrcpt=1 (queue active)
Jul 20 10:27:16 bunsen postfix/smtp[20391]: 0E2711C386: to=<nsezytu@vdc.vn>, relay=vdc.vn[222.255.29.106]:25, delay=385031, delays=384851/0.04/180/0, dsn=4.0.0, status=deferred (host vdc.vn[222.255.29.106] refused to talk to me: 421 Downstream server timeout)
Jul 20 10:27:16 bunsen postfix/smtp[20393]: DF2D71C36E: to=<ryugaqko@vdc.vn>, relay=vdc.vn[222.255.29.106]:25, delay=385032, delays=384852/0.06/180/0, dsn=4.0.0, status=deferred (host vdc.vn[222.255.29.106] refused to talk to me: 421 Downstream server timeout)
Jul 20 10:27:16 bunsen postfix/smtp[20390]: 16F351C375: to=<xahjasi@vdc.vn>, relay=vdc.vn[222.255.29.106]:25, delay=385030, delays=384850/0.04/180/0, dsn=4.0.0, status=deferred (host vdc.vn[222.255.29.106] refused to talk to me: 421 Downstream server timeout)
Jul 20 10:27:17 bunsen postfix/smtp[20392]: 7D9571C383: to=<lbuzuoci@vdc.vn>, relay=vdc.vn[222.255.29.106]:25, delay=385032, delays=384852/0.05/180/0, dsn=4.0.0, status=deferred (host vdc.vn[222.255.29.106] refused to talk to me: 421 Downstream server timeout)