>>>>>>>>>>>>>>>> Remote deliveries >>>>>>>>>>>>>>>>
--------> name.surname@gmail.com <--------
search_tidyup called
set_process_info: 14731 delivering 1nsBrA-0005Eu-LW: waiting for a remote delivery subprocess to finish
selecting on subprocess pipes
changed uid/gid: remote delivery to name.surname@gmail.com with transport=remote_smtp_smarthost
  uid=109 gid=116 pid=14732
  auxiliary group list: <none>
set_process_info: 14732 delivering 1nsBrA-0005Eu-LW using remote_smtp_smarthost
T: remote_smtp_smarthost for name.surname@gmail.com
remote_smtp_smarthost transport entered
  name.surname@gmail.com
hostlist:
  'smtps.aruba.it' IP 62.149.128.218 port 465
  'smtps.aruba.it' IP 62.149.156.218 port 465
checking status of smtps.aruba.it
 locking /var/spool/exim4/db/retry.lockfile
 locked  /var/spool/exim4/db/retry.lockfile
 EXIM_DBOPEN: file </var/spool/exim4/db/retry> dir </var/spool/exim4/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: 0x55a650ec0700
 opened hints database /var/spool/exim4/db/retry: flags=O_RDONLY
 dbfn_read: key=T:smtps.aruba.it:62.149.128.218:465
 dbfn_read: key=T:smtps.aruba.it:62.149.128.218:465:1nsBrA-0005Eu-LW
 EXIM_DBCLOSE(0x55a650ec0700)
 closed hints database and lockfile
no message retry record
smtps.aruba.it [62.149.128.218]:465 retry-status = usable
62.149.128.218 in serialize_hosts? no (option unset)
delivering 1nsBrA-0005Eu-LW to smtps.aruba.it [62.149.128.218] (name.surname@gmail.com)
set_process_info: 14732 delivering 1nsBrA-0005Eu-LW to smtps.aruba.it [62.149.128.218]:465 (name.surname@gmail.com)
62.149.128.218 in hosts_require_dane? no (option unset)
Transport port=25 replaced by host-specific port=465
Connecting to smtps.aruba.it [62.149.128.218]:465 ... 62.149.128.218 in hosts_try_fastopen? no (option unset)
connected

=========== stuck for a few seconds ===========

selecting on subprocess pipes

=========== stuck for a few seconds ===========

  SMTP(closed)<<
  SMTP(close)>>
LOG: MAIN
  H=smtps.aruba.it [62.149.128.218]: Remote host closed connection in response to initial connection
set_process_info: 14732 delivering 1nsBrA-0005Eu-LW: just tried smtps.aruba.it [62.149.128.218]:465 for name.surname@gmail.com: result DEFER
added retry item for T:smtps.aruba.it:62.149.128.218:465: errno=-18 more_errno=0,A flags=2
address match test: subject=*@smtps.aruba.it pattern=*
smtps.aruba.it in "*"? yes (matched "*")
*@smtps.aruba.it in "*"? yes (matched "*")
checking status of smtps.aruba.it
 locking /var/spool/exim4/db/retry.lockfile
 locked  /var/spool/exim4/db/retry.lockfile
 EXIM_DBOPEN: file </var/spool/exim4/db/retry> dir </var/spool/exim4/db> flags=O_RDONLY
 returned from EXIM_DBOPEN: 0x55a650ec2930
 opened hints database /var/spool/exim4/db/retry: flags=O_RDONLY
 dbfn_read: key=T:smtps.aruba.it:62.149.156.218:465
 dbfn_read: key=T:smtps.aruba.it:62.149.156.218:465:1nsBrA-0005Eu-LW
 EXIM_DBCLOSE(0x55a650ec2930)
 closed hints database and lockfile
no message retry record
smtps.aruba.it [62.149.156.218]:465 retry-status = usable
62.149.156.218 in serialize_hosts? no (option unset)
delivering 1nsBrA-0005Eu-LW to smtps.aruba.it [62.149.156.218] (name.surname@gmail.com)
set_process_info: 14732 delivering 1nsBrA-0005Eu-LW to smtps.aruba.it [62.149.156.218]:465 (name.surname@gmail.com)
62.149.156.218 in hosts_require_dane? no (option unset)
Transport port=25 replaced by host-specific port=465
[...]