aaPanel_Kern 
May 21 08:06:32 vmi2411655 dovecot: imap-login: Login: user=<contact@sigital>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=2158721, secured, session=<IK+1Kp81QJ9/AAAB>
May 21 08:06:32 vmi2411655 dovecot: imap(contact@sigital)<2158721><IK+1Kp81QJ9/AAAB>: Logged out in=44 out=639 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
May 21 08:06:41 vmi2411655 postfix/smtps/smtpd[2158724]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
May 21 08:06:41 vmi2411655 postfix/smtpd[2158723]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
May 21 08:06:41 vmi2411655 postfix/submission/smtpd[2158725]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
May 21 08:06:42 vmi2411655 postfix/master[1357]: warning: process /usr/lib/postfix/sbin/smtpd pid 2158723 exit status 1
May 21 08:06:42 vmi2411655 postfix/master[1357]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
May 21 08:06:42 vmi2411655 postfix/master[1357]: warning: process /usr/lib/postfix/sbin/smtpd pid 2158725 exit status 1
May 21 08:06:42 vmi2411655 postfix/master[1357]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
May 21 08:06:42 vmi2411655 postfix/master[1357]: warning: process /usr/lib/postfix/sbin/smtpd pid 2158724 exit status 1
May 21 08:06:42 vmi2411655 postfix/master[1357]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
May 21 08:06:45 vmi2411655 postfix/master[1357]: warning: master_wakeup_timer_event: service tlsmgr(private/tlsmgr): No such file or directory
May 21 08:07:24 vmi2411655 postfix/master[1357]: warning: master_wakeup_timer_event: service pickup(public/pickup): No such file or directory
May 21 08:07:42 vmi2411655 postfix/smtpd[2158810]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
May 21 08:07:42 vmi2411655 postfix/smtps/smtpd[2158812]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
May 21 08:07:42 vmi2411655 postfix/submission/smtpd[2158811]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
May 21 08:07:43 vmi2411655 postfix/master[1357]: warning: process /usr/lib/postfix/sbin/smtpd pid 2158810 exit status 1
May 21 08:07:43 vmi2411655 postfix/master[1357]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
May 21 08:07:43 vmi2411655 postfix/master[1357]: warning: process /usr/lib/postfix/sbin/smtpd pid 2158811 exit status 1
May 21 08:07:43 vmi2411655 postfix/master[1357]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
May 21 08:07:43 vmi2411655 postfix/master[1357]: warning: process /usr/lib/postfix/sbin/smtpd pid 2158812 exit status 1
May 21 08:07:43 vmi2411655 postfix/master[1357]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
May 21 08:08:24 vmi2411655 postfix/master[1357]: warning: master_wakeup_timer_event: service pickup(public/pickup): No such file or directory
I did run this command and when i try to send email, it does not work