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Resolved 25: Connection timed out - Almalinux 9.4 x86_64 | 18.0.61.1

josemanuuxd

New Pleskian
Server operating system version
Almalinux 9.4
Plesk version and microupdate number
18.0.61.1
Hi:

I migrated centos 7 to Almalinux 9.4 one month ago, and works ok.

This morning, i go to send a email, and dont work, and the logs said:

May 17 21:46:08 plesk plesk_saslauthd[90555]: privileges set to (89:89) (effective 89:89)
May 17 21:46:08 plesk plesk_saslauthd[90555]: failed mail authentication attempt for user 'abraham' (password len=4)
May 17 21:46:08 plesk postfix/smtpd[83225]: warning: unknown[80.244.11.151]: SASL LOGIN authentication failed: authentication failure
May 17 21:46:08 plesk postfix/smtpd[83225]: lost connection after AUTH from unknown[80.244.11.151]
May 17 21:46:08 plesk postfix/smtpd[83225]: disconnect from unknown[80.244.11.151] ehlo=1 auth=0/1 rset=1 commands=2/3
May 17 21:46:17 plesk postfix/smtp[77071]: connect to alt4.gmail-smtp-in.l.google.com[74.125.200.26]:25: Connection timed out
May 17 21:46:17 plesk postfix/smtp[77069]: connect to alt4.gmail-smtp-in.l.google.com[74.125.200.26]:25: Connection timed out
May 17 21:46:17 plesk postfix/smtp[77071]: C9E614800AAA: to=<[email protected]>, relay=none, delay=6169, delays=6019/0/150/0, dsn=4.4.1, status=deferred (connect to alt4.gmail-smtp-in.l.google.com[74.125.200.26]:25: Connection timed out)
May 17 21:46:17 plesk postfix/smtp[77069]: 752414800A82: to=<[email protected]>, relay=none, delay=6821, delays=6671/0.01/150/0, dsn=4.4.1, status=deferred (connect to alt4.gmail-smtp-in.l.google.com[74.125.200.26]:25: Connection timed out)
May 17 21:46:38 plesk plesk_saslauthd[90555]: select timeout, exiting

And telnet dont work:

root@plesk ~# telnet 74.125.200.26 25
Trying 74.125.200.26...
telnet: connect to address 74.125.200.26: Connection timed out
root@plesk ~#

In plesk, the firewall dont work, and IPTABLES dont have nothing:

root@plesk ~# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
f2b-ssh tcp -- anywhere anywhere tcp dpt:ssh

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

Chain f2b-ssh (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere

I check update of almalinux and plesk and nothing.

I have Fail2band, i try to reinstall and nothing. In the log dont have the Ips block.

I think to change POSTFIX to QMAIL, but Almalinux dont have qmail.

In the plesk panel, dont put nothing about a port 25 block, but, if i do a test port with ping,eu, is open.

Does anyone know what can happen?

Thanks so much!
 
Hi:

Exacly, the hosting has applied more security and block the port 25 to send the email, i dont understand that the hosting do this, but, the hosting unlock and i can send email again.

Thanks so much!
 
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