Mình có cài đặt postfix và mấy bữa nay tình trạng bị ddos vậy làm chậm serverr và tăng size file log mail lên tới mấy chục gb.
Mọi người giúp mình với có cách nào giải quyết không ?
Oct 24 15:46:00 host postfix/error[22871]: CB8B811EA4: to=<johnuk2412@hotmail.co.uk>, relay=none, delay=454618, delays=454105/511/0/3.2, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to eur.olc.protection.outlook.com[104.47.1.33]:25: Connection timed out)
Oct 24 15:46:00 host postfix/error[22655]: C69EE11999: to=<sparkyrob@live.com>, relay=none, delay=460986, delays=460473/513/0/0.1, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to live-com.olc.protection.outlook.com[104.47.0.33]:25: Connection refused)
Oct 24 15:46:01 host postfix/smtp[21046]: 2CADE12CA9: host alt1.gmail-smtp-in.l.google.com[74.125.127.27] said: 421-4.7.0 [103.1.237.71 15] Our system has detected that this message is 421-4.7.0 suspicious due to the very low reputation of the sending IP address. 421-4.7.0 To protect our users from spam, mail sent from your IP address has 421-4.7.0 been temporarily rate limited. Please visit 421 4.7.0
https://support.google.com/mail/answer/188131 for more information. h21si15471398oie.5 - gsmtp (in reply to end of DATA command)
Oct 24 15:46:01 host postfix/error[22655]: C69EE11999: to=<spbongers@live.com>, relay=none, delay=460986, delays=460473/513/0/0.11, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to live-com.olc.protection.outlook.com[104.47.0.33]:25: Connection refused)
Oct 24 15:46:01 host postfix/error[22871]: CB8B811EA4: to=<johnwhittenham22@hotmail.co.uk>, relay=none, delay=454618, delays=454105/511/0/3.2, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to eur.olc.protection.outlook.com[104.47.1.33]:25: Connection timed out)
Oct 24 15:46:01 host postfix/smtp[21061]: 2FE7E1250A: host alt1.gmail-smtp-in.l.google.com[74.125.127.27] said: 421-4.7.0 [103.1.237.71 15] Our system has detected that this message is 421-4.7.0 suspicious due to the very low reputation of the sending IP address. 421-4.7.0 To protect our users from spam, mail sent from your IP address has 421-4.7.0 been temporarily rate limited. Please visit 421 4.7.0
https://support.google.com/mail/answer/188131 for more information. i66si1228416oif.235 - gsmtp (in reply to end of DATA
