Aug  3 18:04:47 postfix/cleanup[8547]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't c
ontact LDAP server
Aug  3 18:04:47 postfix/cleanup[8547]: warning: ldap:/etc/postfix/ldap.groups lookup error for "root
@localhost"
Aug  3 18:04:47 postfix/cleanup[8547]: warning: 5CE0F1809F7: virtual_alias_maps map lookup problem f
or root@localhost -- message not accepted, try again later
Aug  3 18:04:47 check_nrpe: Error: Could not complete SSL handshake with 172.16.1.80: rc=-1 SSL-erro
r=5
Aug  3 18:04:48 postfix/pickup[31710]: 5D34A180A00: uid=112 from=<nagios>
Aug  3 18:04:48 postfix/cleanup[8547]: 5D34A180A00: message-id=<20180803160448.5D34A180A00@dc2.schul
ung8.ucs>
Aug  3 18:04:48 postfix/cleanup[8547]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't c
ontact LDAP server
Aug  3 18:04:48 postfix/cleanup[8547]: warning: ldap:/etc/postfix/ldap.groups lookup error for "admi
n@schulung8.ucs"
Aug  3 18:04:48 postfix/cleanup[8547]: warning: 5D34A180A00: virtual_alias_maps map lookup problem f
or admin@schulung8.ucs -- message not accepted, try again later
Aug  3 18:04:49 postfix/pickup[31710]: 5E8A6180A00: uid=112 from=<nagios>
Aug  3 18:04:49 postfix/cleanup[8547]: 5E8A6180A00: message-id=<20180803160449.5E8A6180A00@dc2.schul
ung8.ucs>
Aug  3 18:04:49 postfix/cleanup[8547]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't c
ontact LDAP server
Aug  3 18:04:49 postfix/cleanup[8547]: fatal: too many errors - program terminated
Aug  3 18:04:50 postfix/pickup[31710]: warning: maildrop/A75D717EF4E: error writing 5E8A6180A00: que
ue file write error
Aug  3 18:04:50 postfix/master[21036]: warning: process /usr/lib/postfix/sbin/cleanup pid 8547 exit
status 1
Aug  3 18:04:51 postfix/pickup[31710]: 606BC180A00: uid=112 from=<nagios>
Aug  3 18:04:51 postfix/cleanup[8591]: 606BC180A00: message-id=<20180803160451.606BC180A00@dc2.schul
ung8.ucs>
Aug  3 18:04:51 postfix/cleanup[8591]: error: dict_ldap_connect: Unable to set STARTTLS: -1: Can't c
ontact LDAP server
Aug  3 18:04:51 postfix/cleanup[8591]: warning: ldap:/etc/postfix/ldap.groups lookup error for "root
@localhost"
Aug  3 18:04:51 postfix/cleanup[8591]: warning: 606BC180A00: virtual_alias_maps map lookup problem f
or root@localhost -- message not accepted, try again later