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I am trying to monitor zimbra mail server using prtg but how can i do it using snmpd in centos ? why does centos doesn't support snmp-mibs-downloader ? can you please help me
- Mon Aug 06, 2018 6:56 am
- Forum: Administrators
- Topic: outbound issue with gmail?
- Replies: 2
- Views: 323
<firstname.lastname@example.org>: host gmail-smtp-in.l.google.com[18.104.22.168] said: 550-5.7.1 [sender ip /port] Our system has detected that this message is 550-5.7.1 likely unsolicited mail. To reduce the amount of spam sent to Gmail, 550-5.7.1 this message has been blocked. Please visit 550 5.7.1 https://...