hi there i just upgraded from ispconfig 3.1.1p1 to 3.1.2 by running ispconfig_update.sh all seemed to be OK , server is working fine fo more than 2 years now, but just a few minutes after this upgrade, i received error mails from the server Code: Out: 354 End data with <CR><LF>.<CR><LF> Out: 451 4.3.0 Error: queue file write error mail.err gives lots of stuff like : Code: Mar 30 14:40:04 panel postfix/proxymap[21074]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 14:41:56 panel postfix/proxymap[21580]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 14:41:56 panel postfix/proxymap[21580]: error: open /etc/postfix/mysql-virtual_outgoing_bcc.cf: Permission denied Mar 30 14:45:04 panel postfix/proxymap[21959]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 14:47:47 panel postfix/proxymap[22573]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 14:50:05 panel postfix/proxymap[22864]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 14:52:45 panel postfix/proxymap[23495]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 14:56:24 panel postfix/proxymap[24467]: error: open /etc/postfix/mysql-virtual_outgoing_bcc.cf: Permission denied Mar 30 14:56:26 panel postfix/proxymap[24467]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 15:00:04 panel postfix/proxymap[26154]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 15:00:07 panel postfix/proxymap[26154]: error: open /etc/postfix/mysql-virtual_outgoing_bcc.cf: Permission denied Mar 30 15:04:04 panel postfix/proxymap[27287]: error: open /etc/postfix/mysql-virtual_sender_login_maps.cf: Permission denied Mar 30 15:04:04 panel postfix/proxymap[27287]: error: open /etc/postfix/mysql-virtual_outgoing_bcc.cf: Permission d /etc/postfix content Code: -rw-r----- 1 root postfix 231 mars 30 13:51 mysql-virtual_client.cf -rw-r----- 1 root postfix 231 mars 30 13:51 mysql-virtual_client.cf~ -rw-r----- 1 root postfix 221 mars 30 13:51 mysql-virtual_domains.cf -rw-r----- 1 root postfix 221 mars 30 13:51 mysql-virtual_domains.cf~ -rw-r----- 1 root postfix 218 mars 30 13:51 mysql-virtual_email2email.cf -rw-r----- 1 root postfix 218 mars 30 13:51 mysql-virtual_email2email.cf~ -rw-r----- 1 root postfix 317 mars 30 13:51 mysql-virtual_forwardings.cf -rw-r----- 1 root postfix 317 mars 30 13:51 mysql-virtual_forwardings.cf~ -rw------- 1 root postfix 216 mars 30 13:51 mysql-virtual_gids.cf -rw-r----- 1 root postfix 288 mars 30 13:51 mysql-virtual_mailboxes.cf -rw-r----- 1 root postfix 288 mars 30 13:51 mysql-virtual_mailboxes.cf~ -rw------- 1 root postfix 271 mars 30 13:51 mysql-virtual_outgoing_bcc.cf -rw------- 1 root postfix 346 mars 30 13:51 mysql-virtual_policy_greylist.cf -rw-r----- 1 root postfix 252 mars 30 13:51 mysql-virtual_recipient.cf -rw-r----- 1 root postfix 252 mars 30 13:51 mysql-virtual_recipient.cf~ -rw-r----- 1 root postfix 224 mars 30 13:51 mysql-virtual_relaydomains.cf -rw-r----- 1 root postfix 224 mars 30 13:51 mysql-virtual_relaydomains.cf~ -rw-r----- 1 root postfix 230 mars 30 13:51 mysql-virtual_relayrecipientmaps.cf -rw-r----- 1 root postfix 230 mars 30 13:51 mysql-virtual_relayrecipientmaps.cf~ -rw-r----- 1 root postfix 249 mars 30 13:51 mysql-virtual_sender.cf -rw-r----- 1 root postfix 249 mars 30 13:51 mysql-virtual_sender.cf~ -rw------- 1 root postfix 320 mars 30 13:51 mysql-virtual_sender_login_maps.cf -rw-r----- 1 root postfix 227 mars 30 13:51 mysql-virtual_transports.cf -rw-r----- 1 root postfix 227 mars 30 13:51 mysql-virtual_transports.cf~ -rw------- 1 root postfix 217 mars 30 13:51 mysql-virtual_uids.cf i restored read access for postfix group where it missed and everything is fine again i don't understand why it happened, and if there is any link with ispconfig upgrade ?