*** glibc detected *** lmtpd: double free or corruption (out): 0x00002aaaacdeaa10 *** : 2 Time(s) problem

[Ali Nebi]

Hi all, 

i have some problems in a mail server and i don't know how to solve
these problems.

I get these errors:

/usr/libexec/postfix/lmtp: bad command startup -- throttling : 588
Time(s)
    198.231.4.83.rbl-plus.mail-abuse.org: RBL lookup error: Host or
domain name not found. Name service error for
name=198.231.4.83.rbl-plus.mail-abuse.org type=A: Host not found, try
again : 2 Time(s)
    3.77.214.79.rbl-plus.mail-abuse.org: RBL lookup error: Host or
domain name not found. Name service error for
name=3.77.214.79.rbl-plus.mail-abuse.org type=A: Host not found, try
again : 2 Time(s)
    dict_ldap_lookup: Search error -5: Timed out  : 2 Time(s)
    network_biopair_interop: error reading 5 bytes from the network:
Connection reset by peer : 2 Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeaa10 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeaa30 *** : 4
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeabb0 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeac10 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeac50 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeacb0 *** : 4
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeacf0 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdead30 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdead70 *** : 4
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeadb0 *** : 4
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeaf20 *** : 4
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeb070 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeb0c0 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: *** glibc detected ***
lmtpd: double free or corruption (out): 0x00002aaaacdeb0d0 *** : 2
Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]: /lib64/libc.so.6(db.001 : 20 Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]:
2aaaaaac6000-2aaaaaacc000 rw-s 00000000 fd:00 57246642
  /var/lib/imap/db/db.002 : 20 Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]:
2aaaaaad3000-2aaaaab75000 rw-s 00000000 fd:00 57246649
  /var/lib/imap/db/db.003 : 20 Time(s)
    non-LMTP response from
hermod.iguanait.com[/var/lib/imap/socket/lmtp]:
2aaaaab75000-2aaaaab8d000 rw-s 00000000 fd:00
fatal: open dictionary: expecting "type:name" form instead of
"/var/lib/imap/socket/lmtp"
fatal: open dictionary: expecting "type:name" form instead of
"/var/lib/imap/socket/lmtp"
fatal: open dictionary: expecting "type:name" form instead of
"/var/lib/imap/socket/lmtp"
fatal: open dictionary: expecting "type:name" form instead of
"/var/lib/imap/socket/lmtp"
fatal: open dictionary: expecting "type:name" form instead of
"/var/lib/imap/socket/lmtp"
fatal: open dictionary: expecting "type:name" form instead of
"/var/lib/imap/socket/lmtp"

When this happen with don't receive mails and if we send the people
don't receive our mails.

We have installed fedora 6,cyrus-imapd-2.3.9-6.fc6, postfix-2.3.3-2.

If you need more info, please ask me, i will post the needed info.

How can i solve these problems ?
Is that some bug in cyrus?

Thanks in advanced!
Regards, Ali Nebi!