Aug 14 01:43:28 nix-adserver postfix/smtpd[1104]: NSSWITCH(nsparser): /etc/nsswitch.conf line 5: 'compat' used with sources, other than 'cache'
Aug 14 01:43:28 nix-adserver postfix/smtpd[1104]: NSSWITCH(nsparser): /etc/nsswitch.conf line 10: 'compat' used with sources, other than 'cache'
Aug 14 01:43:28 nix-adserver postfix/smtpd[1104]: connect from f732.mail.externalserver.com[45.84.129.103]
Aug 14 01:43:28 nix-adserver postfix/smtpd[1104]: 7ED5F480E1: client=f732mail.externalserver.com[45.84.129.103]
Aug 14 01:43:28 nix-adserver postfix/cleanup[1097]: 7ED5F480E1: message-id=<1660419791.711772686@f732.i.mail.ru>
Aug 14 01:43:28 nix-adserver postfix/qmgr[1022]: 7ED5F480E1: from=<user@mail.externalserver.com>, size=4872, nrcpt=1 (queue active)
Aug 14 01:43:28 nix-adserver postfix/pipe[1105]: NSSWITCH(nsparser): /etc/nsswitch.conf line 5: 'compat' used with sources, other than 'cache'
Aug 14 01:43:28 nix-adserver postfix/pipe[1105]: NSSWITCH(nsparser): /etc/nsswitch.conf line 10: 'compat' used with sources, other than 'cache'
Aug 14 01:43:28 nix-adserver postfix/pipe[1105]: fatal: get_service_attr: unknown username: mail
Aug 14 01:43:28 nix-adserver postfix/smtpd[1104]: disconnect from f732.mail.externalserver.com[45.84.129.103] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
Aug 14 01:43:29 nix-adserver postfix/qmgr[1022]: warning: private/dovecot socket: malformed response
Aug 14 01:43:29 nix-adserver postfix/qmgr[1022]: warning: transport dovecot failure -- see a previous warning/fatal/panic logfile record for the problem description
Aug 14 01:43:29 nix-adserver postfix/master[1020]: warning: process /usr/local/libexec/postfix/pipe pid 1105 exit status 1
Aug 14 01:43:29 nix-adserver postfix/master[1020]: warning: /usr/local/libexec/postfix/pipe: bad command startup -- throttling
Aug 14 01:43:29 nix-adserver postfix/error[1106]: NSSWITCH(nsparser): /etc/nsswitch.conf line 5: 'compat' used with sources, other than 'cache'
Aug 14 01:43:29 nix-adserver postfix/error[1106]: NSSWITCH(nsparser): /etc/nsswitch.conf line 10: 'compat' used with sources, other than 'cache'
Aug 14 01:43:29 nix-adserver postfix/bounce[1107]: NSSWITCH(nsparser): /etc/nsswitch.conf line 5: 'compat' used with sources, other than 'cache'
Aug 14 01:43:29 nix-adserver postfix/bounce[1107]: NSSWITCH(nsparser): /etc/nsswitch.conf line 10: 'compat' used with sources, other than 'cache'
Aug 14 01:43:29 nix-adserver postfix/error[1106]: 7ED5F480E1: to=<admin@domain.com>, relay=none, delay=1.1, delays=0.05/1/0/0.01, dsn=4.3.0, status=deferred (unknown mail transport error)