Part of my maillog!

lyyhust

Aug 4 18:48:04 mail sendmail[3878]: alias database /etc/aliases rebuilt by root
Aug 4 18:48:04 mail sendmail[3878]: /etc/aliases: 63 aliases, longest 10 bytes, 625 bytes total
Aug 4 18:48:05 mail sendmail[3907]: starting daemon (8.12.: SMTP+queueing@01:00:00
Aug 4 18:48:05 mail sm-msp-queue[3916]: starting daemon (8.12.: queueing@01:00:00
Aug 4 18:48:23 mail spamd[3926]: server started on port 783 (running version 2.44)
Aug 4 20:17:00 mail qmail: 1091621820.306453 status: local 0/10 remote 0/20
Aug 4 20:17:00 mail qmail: 1091621820.306717 new msg 169347
Aug 4 20:17:00 mail qmail: 1091621820.306732 info msg 169347: bytes 436 from <[email protected]> qp 23905 uid 0
Aug 4 20:17:00 mail qmail: 1091621820.368008 starting delivery 1: msg 169347 to local [email protected]
Aug 4 20:17:00 mail qmail: 1091621820.368045 status: local 1/10 remote 0/20
Aug 4 20:17:00 mail qmail: 1091621820.429828 delivery 1: deferral:

Unable_to_chdir_to_maildir._(#4.2.1)


what's the matter>?Tell me please