[HELP] zimbra 8.6 centos 7

[leiner07]

Mga Mam / Sir,

Pahelp naman po..di ko alm ibig sabihin nito..at kung pano xa mwawala..
newbie plng po sa zimbra at linux..wala nmn po aq sinesend na mesage pro tuloy tuloy lng xa
sa logs ng zimbra.. po sa sasagot

Oct 6 16:45:52 mail postfix/smtpd[3465]: lost connection after EHLO from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[3465]: disconnect from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[8337]: lost connection after EHLO from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[8337]: disconnect from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[13227]: lost connection after EHLO from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[13227]: disconnect from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[15100]: lost connection after EHLO from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[15100]: disconnect from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[12332]: lost connection after EHLO from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[12332]: disconnect from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[17730]: lost connection after EHLO from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[15098]: lost connection after EHLO from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[17730]: disconnect from unknown[124.30.51.250]

Oct 6 16:45:52 mail postfix/smtpd[15098]: disconnect from unknown[124.30.51.250]

Oct 6 16:46:06 mail postfix/smtpd[17736]: warning: hostname segment-124-30.sify.net does not resolve to address 124.30.51.250: Name or service not known

Oct 6 16:46:06 mail postfix/smtpd[17736]: connect from unknown[124.30.51.250]