UBUNTU 18.04 smtp25 refused Topic is solved

[shvondersin]

Port 25 is openned... but not works....

Code: Select all

2019-05-02 21:19:43 dovecot_plain authenticator failed for ([141.98.80.44]) [141.98.80.44]: 435 Unable to authenticate at present: authentication socket connection error

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2019-05-02 21:08:58 1hMIOE-0000Nz-Is H=gmail-smtp-in.l.google.com [74.125.124.26] Connection timed out
2019-05-02 21:09:06 1hMIuu-0000Od-Dr H=mx.yandex.ru [77.88.21.89] Connection timed out
2019-05-02 21:10:44 1hMIwV-0000PZ-M0 H=mx.yandex.ru [93.158.134.89] Connection timed out
2019-05-02 21:11:09 1hMIOE-0000Nz-Is H=alt1.gmail-smtp-in.l.google.com [209.85.144.26] Connection timed out
2019-05-02 21:11:17 1hMIuu-0000Od-Dr H=mx.yandex.ru [213.180.204.89] Connection timed out
2019-05-02 21:11:59 1hMIzn-0000fp-3g <= [email protected] U=admin P=local S=347
2019-05-02 21:12:55 1hMIwV-0000PZ-M0 H=mx.yandex.ru [213.180.193.89] Connection timed out
2019-05-02 21:13:20 1hMIOE-0000Nz-Is H=alt2.gmail-smtp-in.l.google.com [74.125.141.26] Connection timed out
2019-05-02 21:13:28 1hMIuu-0000Od-Dr H=mx.yandex.ru [213.180.193.89] Connection timed out
2019-05-02 21:13:59 1hMJ1j-0000fw-J9 <= [email protected] U=admin P=local S=1136 [email protected]
2019-05-02 21:14:09 1hMIzn-0000fp-3g H=mx.yandex.ru [87.250.250.89] Connection timed out
2019-05-02 21:14:14 1hMJ1y-0000g3-SC <= [email protected] U=admin P=local S=347
2019-05-02 21:15:07 1hMIwV-0000PZ-M0 H=mx.yandex.ru [77.88.21.89] Connection timed out
2019-05-02 21:15:31 1hMIOE-0000Nz-Is H=alt3.gmail-smtp-in.l.google.com [64.233.186.26] Connection timed out
2019-05-02 21:15:39 1hMIuu-0000Od-Dr H=mx.yandex.ru [93.158.134.89] Connection timed out
2019-05-02 21:16:10 1hMJ1j-0000fw-J9 H=mx01.ionos.com [74.208.5.21] Connection timed out
2019-05-02 21:16:20 1hMIzn-0000fp-3g H=mx.yandex.ru [213.180.204.89] Connection timed out
2019-05-02 21:16:24 1hMJ1y-0000g3-SC H=mx.yandex.ru [93.158.134.89] Connection timed out
2019-05-02 21:17:18 1hMIwV-0000PZ-M0 H=mx.yandex.ru [213.180.204.89] Connection timed out
2019-05-02 21:17:42 1hMIOE-0000Nz-Is H=alt4.gmail-smtp-in.l.google.com [74.125.193.26] Connection timed out
2019-05-02 21:17:42 1hMIOE-0000Nz-Is == [email protected] R=dnslookup T=remote_smtp defer (110): Connection timed out
2019-05-02 21:17:50 1hMIuu-0000Od-Dr H=mx.yandex.ru [87.250.250.89] Connection timed out
2019-05-02 21:17:50 1hMIuu-0000Od-Dr == [email protected] R=dnslookup T=remote_smtp defer (110): Connection timed out
2019-05-02 21:18:21 1hMJ1j-0000fw-J9 H=mx00.ionos.com [74.208.5.3] Connection timed out
2019-05-02 21:18:21 1hMJ1j-0000fw-J9 == [email protected] R=dnslookup T=remote_smtp defer (110): Connection timed out
2019-05-02 21:18:31 1hMIzn-0000fp-3g H=mx.yandex.ru [213.180.193.89] Connection timed out
2019-05-02 21:18:31 1hMIzn-0000fp-3g == [email protected] R=dnslookup T=remote_smtp defer (110): Connection timed out
2019-05-02 21:18:35 1hMJ1y-0000g3-SC H=mx.yandex.ru [77.88.21.89] Connection timed out
2019-05-02 21:18:35 1hMJ1y-0000g3-SC == [email protected] R=dnslookup T=remote_smtp defer (110): Connection timed out
2019-05-02 21:19:29 1hMIwV-0000PZ-M0 H=mx.yandex.ru [87.250.250.89] Connection timed out
2019-05-02 21:19:29 1hMIwV-0000PZ-M0 == [email protected] R=dnslookup T=remote_smtp defer (110): Connection timed out
2019-05-02 21:19:41 no host name found for IP address 141.98.80.44

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sudo fuser -uv  25/tcp
                     USER        PID ACCESS COMMAND
25/tcp:              Debian-exim   1331 F.... (Debian-exim)exim4

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sudo /bin/netstat -lnp | grep 25
tcp        0      0 74.208.25.185:8080      0.0.0.0:*               LISTEN      934/apache2         
tcp        0      0 74.208.25.185:80        0.0.0.0:*               LISTEN      878/nginx: master p 
tcp        0      0 74.208.25.185:53        0.0.0.0:*               LISTEN      769/named           
tcp        0      0 0.0.0.0:25              0.0.0.0:*               LISTEN      1331/exim4          
tcp        0      0 74.208.25.185:8443      0.0.0.0:*               LISTEN      934/apache2         
tcp        0      0 74.208.25.185:443       0.0.0.0:*               LISTEN      878/nginx: master p 
tcp        0      0 0.0.0.0:2525            0.0.0.0:*               LISTEN      1331/exim4          
udp        0      0 74.208.25.185:53        0.0.0.0:*                           769/named           
udp6       0      0 fe80::250:56ff:fe19:546 :::*                                1377/dhclient

[dreiggy]

Check if dovecot is running.