Re: Problem connecting any ips to mi postfix server

Francesc Peñalvez Wed, 26 Sep 2018 16:52:12 -0700

El 27/09/2018 a las 1:19, Wietse Venema escribió:

Francesc Pe?alvez:

There are some ips that when wanting to connect with my postfix it is
impossible to do so when connecting in the same second they disconnect
without sending any data
for example:


Sep 26 21:20:47 ns postfix / smtpd [4679]: connect from
mail2.segurcaixaadeslas.es [195.77.158.25]
Sep 26 21:20:47 ns postfix / smtpd [4679]: disconnect from
mail2.segurcaixaadeslas.es [195.77.158.25]

This requires a network recording, because the client does not send
any commands (I assume that you have Postfix 3.0 or later).

See http://www.postfix.org/DEBUG_README.html

        Wietse

this indicate misconfiguration of remote server or mi postfix?

Sep 27 01:46:17 ns postfix/smtpd[11030]: match_list_match: mail2.segurcaixaadeslas.es: no match Sep 27 01:46:17 ns postfix/smtpd[11030]: match_list_match: 195.77.158.25: no match

Sep 27 01:46:17 ns postfix/smtpd[11030]: send attr request = connect

Sep 27 01:46:17 ns postfix/smtpd[11030]: send attr ident = smtpd:195.77.158.25 Sep 27 01:46:17 ns postfix/smtpd[11030]: private/anvil: wanted attribute: status

Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute name: status
Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute value: 0

Sep 27 01:46:17 ns postfix/smtpd[11030]: private/anvil: wanted attribute: count

Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute name: count
Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute value: 1

Sep 27 01:46:17 ns postfix/smtpd[11030]: private/anvil: wanted attribute: rate

Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute name: rate
Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute value: 1

Sep 27 01:46:17 ns postfix/smtpd[11030]: private/anvil: wanted attribute: (list terminator)

Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute name: (end)

Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 220 ns.almogavers.net ESMTP Postfix

Sep 27 01:46:17 ns postfix/smtpd[11030]: watchdog_pat: 0x5613c7b868b0

Sep 27 01:46:17 ns postfix/smtpd[11030]: < mail2.segurcaixaadeslas.es[195.77.158.25]: EHLO mail2.segurcaixaadeslas.es Sep 27 01:46:17 ns postfix/smtpd[11030]: match_list_match: mail2.segurcaixaadeslas.es: no match Sep 27 01:46:17 ns postfix/smtpd[11030]: match_list_match: 195.77.158.25: no match Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-ns.almogavers.net Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-PIPELINING Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-SIZE 10240000 Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-VRFY Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-ETRN Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-STARTTLS Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-ENHANCEDSTATUSCODES Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250-8BITMIME Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 250 DSN

Sep 27 01:46:17 ns postfix/smtpd[11030]: watchdog_pat: 0x5613c7b868b0

Sep 27 01:46:17 ns postfix/smtpd[11030]: < mail2.segurcaixaadeslas.es[195.77.158.25]: MAIL FROM:<[email protected]> SIZE=6653 Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 530 5.7.0 Must issue a STARTTLS command first

Sep 27 01:46:17 ns postfix/smtpd[11030]: watchdog_pat: 0x5613c7b868b0

Sep 27 01:46:17 ns postfix/smtpd[11030]: < mail2.segurcaixaadeslas.es[195.77.158.25]: QUIT Sep 27 01:46:17 ns postfix/smtpd[11030]: > mail2.segurcaixaadeslas.es[195.77.158.25]: 221 2.0.0 Bye Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostname: mail2.segurcaixaadeslas.es ~? 127.0.0.0/8 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostaddr: 195.77.158.25 ~? 127.0.0.0/8 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostname: mail2.segurcaixaadeslas.es ~? [::ffff:127.0.0.0]/104 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostaddr: 195.77.158.25 ~? [::ffff:127.0.0.0]/104 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostname: mail2.segurcaixaadeslas.es ~? [::1]/128 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostaddr: 195.77.158.25 ~? [::1]/128 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostname: mail2.segurcaixaadeslas.es ~? 192.168.2 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_hostaddr: 195.77.158.25 ~? 192.168.2 Sep 27 01:46:17 ns postfix/smtpd[11030]: match_list_match: mail2.segurcaixaadeslas.es: no match Sep 27 01:46:17 ns postfix/smtpd[11030]: match_list_match: 195.77.158.25: no match

Sep 27 01:46:17 ns postfix/smtpd[11030]: send attr request = disconnect

Sep 27 01:46:17 ns postfix/smtpd[11030]: send attr ident = smtpd:195.77.158.25 Sep 27 01:46:17 ns postfix/smtpd[11030]: private/anvil: wanted attribute: status

Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute name: status
Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute value: 0

Sep 27 01:46:17 ns postfix/smtpd[11030]: private/anvil: wanted attribute: (list terminator)

Sep 27 01:46:17 ns postfix/smtpd[11030]: input attribute name: (end)

Sep 27 01:46:17 ns postfix/smtpd[11030]: disconnect from mail2.segurcaixaadeslas.es[195.77.158.25]

I see the remote server dont use starttls is correct? can i configure my postfix for ignore this option for some remote servers? this only appears for this server and tomtom.com´ servers.Before, that did not happen to me at least with the tomtom server.

How can I solve this problem without affecting the security of my postfix server?


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Re: Problem connecting any ips to mi postfix server

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