On Fri, 19 Jan 2018, Bastian Blank wrote:
Date: Fri, 19 Jan 2018 22:06:15
From: Bastian Blank <bastian+postfix-users=postfix....@waldi.eu.org>
To: postfix-users@postfix.org
Subject: Re: Postfix using all CPU after nightly mail submission
On Fri, Jan 19, 2018 at 08:52:39AM -0500, Zach Sheppard wrote:
I see no errors or alarms in the mail log nor syslog. The only odd message
I see is a series of ^@ symbols before the system freezes:
Please read http://www.postfix.org/DEBUG_README.html#mail about how to
report problems.
Jan 15 00:42:41 mailrelay opendkim[1643]: 385B38094E: DKIM-Signature field
added (s=mailrelay, d=oconee.k12.sc.us)
Jan 15 00:42:41 mailrelay postfix/qmgr[5601]: 385B38094E: from=<
aaaaaaaa...@oconee.k12.sc.us>, size=2282, nrcpt=1 (queue active)
Jan 15 00:42:41 mailrelay postfix/smtpd[6128]: 8BFCC80968:
client=unknown[DDD.DD.DD.DD], sasl_method=LOGIN, sasl_username=AAAAAAAAAAA@
oconee.k12.sc.us
You have a broken system, nothing reports "DDD.DD.DD.DD" as ip address.
This message may contain confidential information and is intended only for
the individuals named. If you are not the named addressee you should not
disseminate, distribute or copy this e-mail. Please notify the sender
immediately by e-mail if you have received this e-mail by mistake and
delete this e-mail from your system. If you are not the intended recipient
you are notified that disclosing, copying, distributing or taking any
action in reliance on the contents of this information is strictly
prohibited.
Please remove this statement. This mailing-list is already public
archived.
Bastian
--
Those who hate and fight must stop themselves -- otherwise it is not stopped.
-- Spock, "Day of the Dove", stardate unknown
I do not know whether the From address characters (non-alphanumeric,
other than the '@' character) are the cause, but the above message is
one of those messages that endlessly loops between filters for malicious
email messages, and is only accidentally found by switching off filters.
--
Bret Busby
Armadale
West Australia
..............
"So once you do know what the question actually is,
you'll know what the answer means."
- Deep Thought,
Chapter 28 of Book 1 of
"The Hitchhiker's Guide to the Galaxy:
A Trilogy In Four Parts",
written by Douglas Adams,
published by Pan Books, 1992
....................................................