Bob Brennan wrote:
On 4/6/06, Paul Howarth <paul@xxxxxxxxxxxx> wrote:
Bob Brennan wrote:
Hello,
I have an FC3 machine that has been running about a dozen websites and
3 dozen mail accounts reliably for more than a year, I stopped
updating about 6 months ago so the versions might be a bit stale but I
would prefer to fix my immediate problem(s) rather than update and
cause new ones. The software I am using that is in question, I
believe, is Sendmail, Dovecote, Procmail, ClamAv, Spamassasin,and
Squirrelmail.
The problem - email into my personal account "bob" @ many different
domains seems to have stopped a few hours ago with the message
"Technical details of permanent failure:
PERM_FAILURE: SMTP Error (state 9): 550 5.7.1 <bob@domain>... Relaying
denied. Proper authentication required."
The log file says -
Apr 6 11:05:59 myserver sendmail[5580]: k36A5wFQ005580:
ruleset=check_rcpt, arg1=bob@xxxxxxxxxx, relay=zproxy.gmail.com
[64.233.162.192], reject=550 5.7.1 bob@xxxxxxxxxxxxx Relaying denied.
Proper authentication required.
Apr 6 11:05:59 myserver sendmail[5580]: k36A5wFQ005580:
from=<rbrennan96@xxxxxxxxx>, size=0, class=0, nrcpts=0, proto=ESMTP,
daemon=MTA, relay=zproxy.gmail.com [64.233.162.192]
And there are suspicious emails queued in Sendmail such as:
Thu, 6 Apr 2006 10:17:15 "Bob Brennan"
<bob@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>bob@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
kBDeferred: Connection timed out with
wc.funnel.revenuedirect.com.akadns.net.
The obvious clue for me is the
"wc.funnel.revenuedirect.com.akadns.net" that appears to be the
culprit, but it has been too long ago that I considered myself a Linux
expert to remember where to start on this type of thing. Wiping the
machine and starting over is not a good option, and yes I had rsynced
everything important to an FC4 machine only hours before this
happened.
Any clues as to where to start looking please?
Your sendmail configuration. It doesn't appear to recognize domain.xxx
as a domain it should be accepting mail for. Check
/etc/mail/local-host-names.
Paul.
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All entries in
/etc/mail/local-host-names
/etc/mail/virtusertable
/etc/aliases
are untouched and identical to the backed up files. The rejected mail
has valid entries in all of those files.
Here's a curious clue though, I have an automated php file that sends
an email to family members when an internal mail system has a message
for them from another family member. The php line reads
"$headers = 'From: "theFamily.net" <Message-System@xxxxxxxxxxxxx>'."\r\n".
yet the message is going out as
"theFamily.net" <Message-System@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
??
This is using php4 but somewhere Sendmail is changing the @domain in
both the From and To fields(?). The delivery to Sendmail is through
the php command
mail($to, $subject, $msg, $headers);
Both problems started happening at the same time - somehow, somewhere,
Sendmail thinks my machine domain is
"wc.funnel.revenuedirect.com.akadns.net" it seems? I have searched
sendmail.cf and sendmail.mc and neither contain that name or have been
modified.
Somebody has probably changed a DNS entry for theFamily.net so that
instead of or as well as A/MX records, there's a:
theFamily.net. CNAME wc.funnel.revenuedirect.com.akadns.net.
record. Sendmail properly rewrites addresses for @theFamily.net to
@wc.funnel.revenuedirect.com.akadns.net during the address
canonicalisation stage in this case.
Paul.
