Sendmail 8.13.3 Release Notes (5900-1546, January 2011)

Table 4 Defects Fixed in the HP-UX 11i v3 Operating System (continued)
DescriptionIdentifier
When the delay_check feature is enabled, sendmail(1M) does not accept
a null (<>) sender address and displays the following error message:
501 5.5.4 Domain name required for sender address
MAILER-DAEMON
QXCR1000593988
Under certain circumstances, sendmail(1M) running in a non-DNS environment
fails to send mails and logs the following message in /var/adm/syslog/
mail.log file:
Transient parse error -- message queued for future
delivery
QXCR1000589037
Under certain circumstances, an inetd(1M) process waits indefinitely on a
read(2) system call.
QXCR1000591531
20 Sendmail 8.13.3 Release Notes