[CentOS] Mail has quit working

Mike McCarthy, W1NR sysop at w1nr.net
Tue Jul 24 12:36:44 UTC 2018


Your IP address is flagged as spam in Real Time Block Lists. Are you
using a dynamic IP address? You may have a mis-configured server that is
allowing spammers to relay through your server. Another possibility is
your system is compromised with a spambot.

Mike


On 07/24/2018 07:31 AM, TE Dukes wrote:
> OK, not sure what happened, my response was rejected by Centos:
>
> Reason: There was an error while attempting to deliver your message with [Subject: "RE: [CentOS] Mail has quit working"] to centos at centos.org. MTA p3plwbeout03-06.prod.phx3.secureserver.net received this response from the destination host IP - 208.100.23.70 -  554 , 554 5.7.1 Service unavailable; Client host [72.167.218.218] blocked using ix.dnsbl.manitu.net; Your e-mail service was detected by mail.ixlab.de (NiX Spam) as spamming at Tue, 24 Jul 2018 11:45:20 +0200. Your admin should visit http://www.dnsbl.manitu.net/lookup.php?value=72.167.218.218
> ..
>
> So, I'm trying a third time:
>
> On 24/07/18 13:46, Nataraj wrote:
>> Simply telnet to mailserver on port 25 and type what I've shown,
> This is pointless because he's complaining about cron and system emails
> which use the sendmail command are submitted through the pickup service,
> not port 25/smtp (in fact, if you're submitting any mail via port 25
> you're doing it wrong but that's another discussion).
>
> TE Dukes:
>
> Please do the following (lines that start with # should be run as root,
> lines that start with $ should be run as a local user):
>
> Install the mail command which is an easy interface to the sendmail
> command and thus the pickup service.
>
> # yum install mailx
> # tail  -n0 -f /var/log/maillog
>
> ....then in another window (replace someuser at example.com with your own
> email address):
>
> $ mail -s 'Test Email' someuser at example.com <<< "This is a test"
>
> .... wait a minute for postfix to have a chance to process and send the
> message, then break out of the tail command and copy/paste the output
> into your reply.
>
> Then also copy and paste the output of the following:
>
> $ postconf -nf; postconf -Mf
>
> If I need any more info after that I'll let you know.
>
>
> Peter
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>
> Here's the output from tail:
>
> Jul 24 07:00:21 ts130 postfix/pickup[4017]: 338CA811240E: uid=0
> from=<root>
> Jul 24 07:00:21 ts130 postfix/cleanup[7047]: 338CA811240E:
> message-id=<20180724110021.338CA811240E at ts130.palmettodomains.com>
> Jul 24 07:00:21 ts130 postfix/qmgr[8283]: 338CA811240E:
> from=<root at ts130.palmettodomains.com>, size=461, nrcpt=1 (queue active)
> Jul 24 07:00:22 ts130 postfix/smtpd[7112]: connect from
> localhost[127.0.0.1]
> Jul 24 07:00:22 ts130 postfix/smtpd[7112]: 468E581DAB6C:
> client=localhost[127.0.0.1]
> Jul 24 07:00:22 ts130 postfix/cleanup[7047]: 468E581DAB6C:
> message-id=<20180724110021.338CA811240E at ts130.palmettodomains.com>
> Jul 24 07:00:22 ts130 postfix/qmgr[8283]: 468E581DAB6C:
> from=<root at ts130.palmettodomains.com>, size=946, nrcpt=1 (queue active)
> Jul 24 07:00:22 ts130 postfix/smtpd[7112]: disconnect from
> localhost[127.0.0.1]
> Jul 24 07:00:22 ts130 amavis[423]: (00423-02) Passed CLEAN
> {RelayedInbound}, [127.0.0.1] <root at ts130.palmettodomains.com> ->
> <tdukes at palmettodomains.com>, Message-ID:
> <20180724110021.338CA811240E at ts130.palmettodomains.com>, mail_id:
> 8sW4ZXrbEdBD, Hits: 1.766, size: 461, queued_as: 468E581DAB6C, 1094 ms
> Jul 24 07:00:22 ts130 postfix/smtp[7049]: 338CA811240E:
> to=<tdukes at palmettodomains.com>, relay=127.0.0.1[127.0.0.1]:10024,
> delay=1.1, delays=0.04/0/0/1.1, dsn=2.0.0, status=sent (250 2.0.0 from
> MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 468E581DAB6C)
> Jul 24 07:00:22 ts130 postfix/qmgr[8283]: 338CA811240E: removed
> Jul 24 07:00:22 ts130 dovecot: lda(tdukes):
> msgid=<20180724110021.338CA811240E at ts130.palmettodomains.com>: saved
> mail to INBOX
> Jul 24 07:00:22 ts130 postfix/local[7113]: 468E581DAB6C:
> to=<tdukes at palmettodomains.com>, relay=local, delay=0.11,
> delays=0.03/0.01/0/0.07, dsn=2.0.0, status=sent (delivered to command:
> /usr/libexec/dovecot/dovecot-lda -f "$SENDER" -a "$RECIPIENT")
> Jul 24 07:00:22 ts130 postfix/qmgr[8283]: 468E581DAB6C: removed
> Jul 24 07:04:04 ts130 postfix/smtpd[7053]: timeout after END-OF-MESSAGE
> from localhost[127.0.0.1]
> Jul 24 07:04:04 ts130 postfix/smtpd[7053]: disconnect from
> localhost[127.0.0.1]
> Jul 24 07:05:59 ts130 postfix/qmgr[8283]: C33128410546:
> from=<root at ts130.palmettodomains.com>, size=949, nrcpt=1 (queue active)
>
> Here's the output from postconf:
>
> smtp inet n - n - - smtpd
> -o content_filter=spamassassin
> pickup unix n - n 60 1 pickup
> cleanup unix n - n - 0 cleanup
> qmgr unix n - n 300 1 qmgr
> tlsmgr unix - - n 1000? 1 tlsmgr
> rewrite unix - - n - - trivial-rewrite
> bounce unix - - n - 0 bounce
> defer unix - - n - 0 bounce
> trace unix - - n - 0 bounce
> verify unix - - n - 1 verify
> flush unix n - n 1000? 0 flush
> proxymap unix - - n - - proxymap
> proxywrite unix - - n - 1 proxymap
> smtp unix - - n - - smtp
> relay unix - - n - - smtp
> showq unix n - n - - showq
> error unix - - n - - error
> retry unix - - n - - error
> discard unix - - n - - discard
> local unix - n n - - local
> virtual unix - n n - - virtual
> lmtp unix - - n - - lmtp
> anvil unix - - n - 1 anvil
> scache unix - - n - 1 scache
> spamassassin unix - n n - - pipe
> flags=R user=spamd argv=/usr/bin/spamc -e /usr/sbin/sendmail -oi -f
> ${sender} ${recipient}
> smtp-amavis unix - - n - 2 smtp
> -o smtp_data_done_timeout=1200 -o smtp_send_xforward_command=yes
> -o disable_dns_lookups=yes
> 127.0.0.1:10025 inet n - n - - smtpd
> -o content_filter= -o local_recipient_maps= -o relay_recipient_maps=
> -o smtpd_restriction_classes= -o smtpd_client_restrictions=
> -o smtpd_helo_restrictions= -o smtpd_sender_restrictions=
> -o smtpd_recipient_restrictions=permit_mynetworks,reject
> -o mynetworks=127.0.0.0/8 -o strict_rfc821_envelopes=yes
> -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001
> -o smtpd_hard_error_limit=1000
>
> Thanks
>
>
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> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos




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