New E-mail/Address creation causes disruption to Postfix

[edeis]

Had some errors after a client added an autoresponder. Wondering if this is the same problem?

ispcp admin log:
add mail autoresponder: domainname.com

Oct 18 10:00:11 drizzle postfix/smtpd[5287]: table hash:/etc/postfix/ispcp/mailboxes(0,lock|fold_fix) has changed -- restarting
Oct 18 10:00:11 drizzle postfix/smtpd[1684]: table hash:/etc/postfix/ispcp/mailboxes(0,lock|fold_fix) has changed -- restarting
Oct 18 10:00:12 drizzle postfix/smtpd[7617]: connect from unknown[116.37.119.27]
Oct 18 10:00:12 drizzle dovecot: dovecot: Killed with signal 15 (by pid=7625 uid=0 code=kill)
Oct 18 10:00:12 drizzle dovecot: pop3-login: Disconnected: Shutting down (disconnected while authenticating): method=PLAIN, rip=96.50.231.238, lip=192.168.1.121
Oct 18 10:00:12 drizzle postfix/smtpd[7641]: warning: SASL: Connect to private/auth failed: No such file or directory
Oct 18 10:00:12 drizzle postfix/smtpd[7641]: fatal: no SASL authentication mechanisms
Oct 18 10:00:12 drizzle postfix/postfix-script: fatal: the Postfix mail system is already running
Oct 18 10:00:12 drizzle dovecot: Dovecot v1.2.11 starting up (core dumps disabled)
Oct 18 10:00:12 drizzle dovecot: auth-worker(default): mysql: Connected to localhost (ispcp)
Oct 18 10:00:12 drizzle last message repeated 2 times
Oct 18 10:00:12 drizzle postfix/trivial-rewrite[18201]: table hash:/etc/postfix/ispcp/transport(0,lock|no_regsub|fold_fix) has changed -- restarting
Oct 18 10:00:13 drizzle postfix/smtpd[7617]: lost connection after DATA from unknown[116.37.119.27]
Oct 18 10:00:13 drizzle postfix/smtpd[7617]: disconnect from unknown[116.37.119.27]
Oct 18 10:00:13 drizzle postfix/master[25691]: warning: process /usr/libexec/postfix/smtpd pid 7641 exit status 1
Oct 18 10:00:13 drizzle postfix/master[25691]: warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling

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More info:

Turns out that the autoresponder has broke.

User has reported that e-mails to the address that has the auto-responder enable returns a Undelivered Mail return to sender:
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<USER@ispcp-arpl.DOMAINNAME.com> (expanded from
<USER@DOMAINNAME.com>): Command died with status 2:
"/var/www/ispcp/engine/messenger/ispcp-arpl-msgr". Command output: Can't
redirect stdout at /var/www/ispcp/engine/messenger/ispcp-arpl-msgr line
530.

Reporting-MTA: dns; myserver.com
X-Postfix-Queue-ID: 4C15F5550A50
X-Postfix-Sender: rfc822; sendersemail@domain.com
Arrival-Date: Mon, 18 Oct 2010 11:20:15 -0700 (PDT)

Final-Recipient: rfc822; USER@ispcp-arpl.DOMAIN.com
Original-Recipient: rfc822;USER@DOMAIN.com
Action: failed
Status: 5.3.0
Diagnostic-Code: x-unix; Can't redirect stdout at
/var/www/ispcp/engine/messenger/ispcp-arpl-msgr line 530.