michael wrote:You can try to append one swap file for 512M memory. 
GJT wrote:ZhangHuangbin wrote:ClamAV service is not running.
As @michael mentioned, Amavisd and ClamAV services may stop due to lack of memory.
 
 
 Good morning guys.
I followed the direction of increasing the RAM memory of feature. I increased the capacity of 512 MB server to 2 GB (4 x more).
With this modification, no service (clamav-daemon, amavis, mysql, postfix) stopped over run. Even when I try to send some email originated from an external domain to iRedMail.
However, I still with the problem that motivated this post. Not I receive on my account managed by iRedMail, email originated from an external domain such as @ hotmail.com.
Just below I am sending the entire information produced by the command "top", the main services running at this time and the logs postfix (/var/log/mail.log).
# top
top - 11:46:58 up 27 min,  1 user,  load average: 0.00, 0.01, 0.05
Tasks: 102 total,   1 running, 101 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.2 us,  0.2 sy,  0.0 ni, 99.7 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0
KiB Mem:   2061180 total,  1043948 used,  1017232 free,    17440 buffers
KiB Swap:        0 total,        0 used,        0 free,   253488 cached
  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND
    1 root      20   0 10652  788  656 S   0.0  0.0   0:00.51 init
    2 root      20   0     0    0    0 S   0.0  0.0   0:00.00 kthreadd
    3 root      20   0     0    0    0 S   0.0  0.0   0:00.01 ksoftirqd/0
    5 root      20   0     0    0    0 S   0.0  0.0   0:00.00 kworker/u:0
    6 root      rt   0     0    0    0 S   0.0  0.0   0:00.01 migration/0
    7 root      rt   0     0    0    0 S   0.0  0.0   0:00.01 watchdog/0
    8 root      rt   0     0    0    0 S   0.0  0.0   0:00.01 migration/1
   10 root      20   0     0    0    0 S   0.0  0.0   0:00.02 ksoftirqd/1
   11 root      20   0     0    0    0 S   0.0  0.0   0:00.14 kworker/0:1
   12 root      rt   0     0    0    0 S   0.0  0.0   0:00.01 watchdog/1
   13 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 cpuset
   14 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 khelper
   15 root      20   0     0    0    0 S   0.0  0.0   0:00.00 kdevtmpfs
   16 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 netns
   17 root      20   0     0    0    0 S   0.0  0.0   0:00.00 sync_supers
   18 root      20   0     0    0    0 S   0.0  0.0   0:00.00 bdi-default
   19 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 kintegrityd
   20 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 kblockd
   21 root      20   0     0    0    0 S   0.0  0.0   0:00.20 kworker/1:1
   22 root      20   0     0    0    0 S   0.0  0.0   0:00.00 khungtaskd
   23 root      20   0     0    0    0 S   0.0  0.0   0:00.00 kswapd0
   24 root      25   5     0    0    0 S   0.0  0.0   0:00.00 ksmd
   25 root      39  19     0    0    0 S   0.0  0.0   0:00.00 khugepaged
   26 root      20   0     0    0    0 S   0.0  0.0   0:00.00 fsnotify_mark
   27 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 crypto
  104 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 ata_sff
  107 root      20   0     0    0    0 S   0.0  0.0   0:00.06 scsi_eh_0
  108 root      20   0     0    0    0 S   0.0  0.0   0:00.04 scsi_eh_1
  109 root      20   0     0    0    0 S   0.0  0.0   0:00.00 kworker/u:1
  153 root      20   0     0    0    0 S   0.0  0.0   0:00.01 kworker/1:2
  157 root      20   0     0    0    0 S   0.0  0.0   0:00.00 kworker/0:2
  171 root      20   0     0    0    0 S   0.0  0.0   0:00.04 jbd2/vda1-8
  172 root       0 -20     0    0    0 S   0.0  0.0   0:00.00 ext4-dio-unwrit
  315 root      20   0 21492 1420  740 S   0.0  0.1   0:00.03 udevd
  460 root      20   0 21412 1028  396 S   0.0  0.0   0:00.00 udevd
  461 root      20   0 21412 1076  440 S   0.0  0.1   0:00.00 udevd
 1897 root      20   0 52852 1496 1084 S   0.0  0.1   0:00.02 rsyslogd
 1964 root      20   0  4120  636  492 S   0.0  0.0   0:00.00 acpid
root@endeavour:~# service mysql status
[info] MySQL Community Server 5.6.22 is running.
root@endeavour:~# service clamav-daemon status
[ ok ] clamd is running.
root@endeavour:~# service amavis status
[ ok ] amavisd is running.
root@endeavour:~# service postfix status
[ ok ] postfix is running.
root@endeavour:~#
# cat /var/log/mail.log
Jan  6 11:17:40 endeavour postfix/master[5724]: daemon started -- version 2.9.6, configuration /etc/postfix
Jan  6 11:18:22 endeavour dovecot: master: Dovecot v2.1.7 starting up (core dumps disabled)
Jan  6 11:18:22 endeavour dovecot: ssl-params: Generating SSL parameters
Jan  6 11:18:23 endeavour dovecot: master: Warning: Killed with signal 15 (by pid=20175 uid=0 code=kill)
Jan  6 11:18:23 endeavour dovecot: master: Dovecot v2.1.7 starting up (core dumps disabled)
Jan  6 11:18:24 endeavour dovecot: master: Warning: Killed with signal 15 (by pid=20334 uid=0 code=kill)
Jan  6 11:18:24 endeavour dovecot: master: Dovecot v2.1.7 starting up (core dumps disabled)
Jan  6 11:18:24 endeavour dovecot: master: Warning: Killed with signal 15 (by pid=20493 uid=0 code=kill)
Jan  6 11:18:25 endeavour dovecot: master: Dovecot v2.1.7 starting up (core dumps disabled)
Jan  6 11:18:25 endeavour dovecot: master: Warning: Killed with signal 15 (by pid=20652 uid=0 code=kill)
Jan  6 11:18:25 endeavour dovecot: master: Dovecot v2.1.7 starting up (core dumps disabled)
Jan  6 11:18:26 endeavour dovecot: master: Warning: Killed with signal 15 (by pid=20811 uid=0 code=kill)
Jan  6 11:18:26 endeavour dovecot: master: Dovecot v2.1.7 starting up (core dumps disabled)
Jan  6 11:18:28 endeavour dovecot: ssl-params: SSL parameters regeneration completed
Jan  6 11:18:32 endeavour amavis[21317]: starting. /usr/sbin/amavisd-new at endeavour.com.br amavisd-new-2.7.1 (20120429), Unicode aware, LC_ALL="C", LANG="en_US.UTF-8"
Jan  6 11:18:32 endeavour amavis[21324]: Net::Server: Group Not Defined.  Defaulting to EGID '117 117'
Jan  6 11:18:32 endeavour amavis[21324]: Net::Server: User Not Defined.  Defaulting to EUID '111'
Jan  6 11:18:32 endeavour amavis[21324]: Module Amavis::Conf        2.303
Jan  6 11:18:32 endeavour amavis[21324]: Module Archive::Zip        1.30
Jan  6 11:18:32 endeavour amavis[21324]: Module BerkeleyDB          0.51
Jan  6 11:18:32 endeavour amavis[21324]: Module Compress::Zlib      2.033
Jan  6 11:18:32 endeavour amavis[21324]: Module Convert::TNEF       0.17
Jan  6 11:18:32 endeavour amavis[21324]: Module Convert::UUlib      1.4
Jan  6 11:18:32 endeavour amavis[21324]: Module Crypt::OpenSSL::RSA 0.28
Jan  6 11:18:32 endeavour amavis[21324]: Module Digest::MD5         2.51
Jan  6 11:18:32 endeavour amavis[21324]: Module Digest::SHA         5.61
Jan  6 11:18:32 endeavour amavis[21324]: Module File::Temp          0.22
Jan  6 11:18:32 endeavour amavis[21324]: Module IO::Socket::INET6   2.69
Jan  6 11:18:32 endeavour amavis[21324]: Module MIME::Entity        5.503
Jan  6 11:18:32 endeavour amavis[21324]: Module MIME::Parser        5.503
Jan  6 11:18:32 endeavour amavis[21324]: Module MIME::Tools         5.503
Jan  6 11:18:32 endeavour amavis[21324]: Module Mail::DKIM::Signer  0.39
Jan  6 11:18:32 endeavour amavis[21324]: Module Mail::DKIM::Verifier 0.39
Jan  6 11:18:32 endeavour amavis[21324]: Module Mail::Header        2.09
Jan  6 11:18:32 endeavour amavis[21324]: Module Mail::Internet      2.09
Jan  6 11:18:32 endeavour amavis[21324]: Module Net::DNS            0.66
Jan  6 11:18:32 endeavour amavis[21324]: Module Net::Server         2.006
Jan  6 11:18:32 endeavour amavis[21324]: Module Socket6             0.23
Jan  6 11:18:32 endeavour amavis[21324]: Module Time::HiRes         1.972101
Jan  6 11:18:32 endeavour amavis[21324]: Module Unix::Syslog        1.1
Jan  6 11:18:32 endeavour amavis[21324]: Amavis::DB code      loaded
Jan  6 11:18:32 endeavour amavis[21324]: SQL base code        NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: SQL::Log code        NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: SQL::Quarantine      NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: Lookup::SQL code     NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: Lookup::LDAP code    NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: AM.PDP-in proto code loaded
Jan  6 11:18:32 endeavour amavis[21324]: SMTP-in proto code   loaded
Jan  6 11:18:32 endeavour amavis[21324]: Courier proto code   NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: SMTP-out proto code  loaded
Jan  6 11:18:32 endeavour amavis[21324]: Pipe-out proto code  NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: BSMTP-out proto code NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: Local-out proto code loaded
Jan  6 11:18:32 endeavour amavis[21324]: OS_Fingerprint code  NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: ANTI-VIRUS code      NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: ANTI-SPAM code       NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: ANTI-SPAM-EXT code   NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: ANTI-SPAM-C code     NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: ANTI-SPAM-SA code    NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: Unpackers code       loaded
Jan  6 11:18:32 endeavour amavis[21324]: DKIM code            loaded
Jan  6 11:18:32 endeavour amavis[21324]: Tools code           NOT loaded
Jan  6 11:18:32 endeavour amavis[21324]: Found $file            at /usr/bin/file
Jan  6 11:18:32 endeavour amavis[21324]: Found $altermime       at /usr/bin/altermime
Jan  6 11:18:32 endeavour amavis[21324]: Internal decoder for .mail
Jan  6 11:18:32 endeavour amavis[21324]: No decoder for       .F
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .Z    at /bin/uncompress
Jan  6 11:18:32 endeavour amavis[21324]: Internal decoder for .gz
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .bz2  at /bin/bzip2 -d
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .xz   at /usr/bin/xz -dc
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .lzma at /usr/bin/xz -dc --format=lzma
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .lzo  at /usr/bin/lzop -d
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .rpm  at /usr/bin/rpm2cpio
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .cpio at /bin/pax
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .tar  at /bin/pax
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .deb  at /usr/bin/ar
Jan  6 11:18:32 endeavour amavis[21324]: Internal decoder for .zip
Jan  6 11:18:32 endeavour amavis[21324]: Internal decoder for .kmz
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .7z   at /usr/bin/7zr
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .rar  at /usr/bin/unrar-free
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .arj  at /usr/bin/arj
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .arc  at /usr/bin/nomarch
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .zoo  at /usr/bin/zoo
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .doc  at /usr/bin/ripole
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .cab  at /usr/bin/cabextract
Jan  6 11:18:32 endeavour amavis[21324]: No decoder for       .tnef
Jan  6 11:18:32 endeavour amavis[21324]: Internal decoder for .tnef
Jan  6 11:18:32 endeavour amavis[21324]: Found decoder for    .exe  at /usr/bin/unrar-free; /usr/bin/arj
Jan  6 11:18:32 endeavour amavis[21324]: Deleting db files  in /var/lib/amavis/db
Jan  6 11:18:32 endeavour amavis[21324]: Creating db in /var/lib/amavis/db/; BerkeleyDB 0.51, libdb 5.1
Jan  6 11:19:28 endeavour postfix/master[5724]: terminating on signal 15
Jan  6 11:19:28 endeavour dovecot: master: Warning: Killed with signal 15 (by pid=22933 uid=0 code=kill)
Jan  6 11:19:45 endeavour amavis[1990]: starting. /usr/sbin/amavisd-new at endeavour.com.br amavisd-new-2.7.1 (20120429), Unicode aware
Jan  6 11:19:46 endeavour amavis[2002]: Net::Server: Group Not Defined.  Defaulting to EGID '117 117'
Jan  6 11:19:46 endeavour amavis[2002]: Net::Server: User Not Defined.  Defaulting to EUID '111'
Jan  6 11:19:46 endeavour amavis[2002]: Module Amavis::Conf        2.303
Jan  6 11:19:46 endeavour amavis[2002]: Module Archive::Zip        1.30
Jan  6 11:19:46 endeavour amavis[2002]: Module BerkeleyDB          0.51
Jan  6 11:19:46 endeavour amavis[2002]: Module Compress::Zlib      2.033
Jan  6 11:19:46 endeavour amavis[2002]: Module Convert::TNEF       0.17
Jan  6 11:19:46 endeavour amavis[2002]: Module Convert::UUlib      1.4
Jan  6 11:19:46 endeavour amavis[2002]: Module Crypt::OpenSSL::RSA 0.28
Jan  6 11:19:46 endeavour amavis[2002]: Module DBD::mysql          4.021
Jan  6 11:19:46 endeavour amavis[2002]: Module DBI                 1.622
Jan  6 11:19:46 endeavour amavis[2002]: Module DB_File             1.821
Jan  6 11:19:46 endeavour amavis[2002]: Module Digest::MD5         2.51
Jan  6 11:19:46 endeavour amavis[2002]: Module Digest::SHA         5.61
Jan  6 11:19:46 endeavour amavis[2002]: Module File::Temp          0.22
Jan  6 11:19:46 endeavour amavis[2002]: Module IO::Socket::INET6   2.69
Jan  6 11:19:46 endeavour amavis[2002]: Module MIME::Entity        5.503
Jan  6 11:19:46 endeavour amavis[2002]: Module MIME::Parser        5.503
Jan  6 11:19:46 endeavour amavis[2002]: Module MIME::Tools         5.503
Jan  6 11:19:46 endeavour amavis[2002]: Module Mail::DKIM::Signer  0.39
Jan  6 11:19:46 endeavour amavis[2002]: Module Mail::DKIM::Verifier 0.39
Jan  6 11:19:46 endeavour amavis[2002]: Module Mail::Header        2.09
Jan  6 11:19:46 endeavour amavis[2002]: Module Mail::Internet      2.09
Jan  6 11:19:46 endeavour amavis[2002]: Module Mail::SPF           v2.008
Jan  6 11:19:46 endeavour amavis[2002]: Module Mail::SpamAssassin  3.003002
Jan  6 11:19:46 endeavour amavis[2002]: Module Net::DNS            0.66
Jan  6 11:19:46 endeavour amavis[2002]: Module Net::Server         2.006
Jan  6 11:19:46 endeavour amavis[2002]: Module NetAddr::IP         4.062
Jan  6 11:19:46 endeavour amavis[2002]: Module Socket6             0.23
Jan  6 11:19:46 endeavour amavis[2002]: Module Time::HiRes         1.972101
Jan  6 11:19:46 endeavour amavis[2002]: Module URI                 1.60
Jan  6 11:19:46 endeavour amavis[2002]: Module Unix::Syslog        1.1
Jan  6 11:19:46 endeavour amavis[2002]: Amavis::DB code      loaded
Jan  6 11:19:46 endeavour amavis[2002]: SQL base code        loaded
Jan  6 11:19:46 endeavour amavis[2002]: SQL::Log code        loaded
Jan  6 11:19:46 endeavour amavis[2002]: SQL::Quarantine      loaded
Jan  6 11:19:46 endeavour amavis[2002]: Lookup::SQL code     loaded
Jan  6 11:19:46 endeavour amavis[2002]: Lookup::LDAP code    NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: AM.PDP-in proto code loaded
Jan  6 11:19:46 endeavour amavis[2002]: SMTP-in proto code   loaded
Jan  6 11:19:46 endeavour amavis[2002]: Courier proto code   NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: SMTP-out proto code  loaded
Jan  6 11:19:46 endeavour amavis[2002]: Pipe-out proto code  NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: BSMTP-out proto code NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: Local-out proto code NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: OS_Fingerprint code  NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: ANTI-VIRUS code      loaded
Jan  6 11:19:46 endeavour amavis[2002]: ANTI-SPAM code       loaded
Jan  6 11:19:46 endeavour amavis[2002]: ANTI-SPAM-EXT code   NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: ANTI-SPAM-C code     NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: ANTI-SPAM-SA code    loaded
Jan  6 11:19:46 endeavour amavis[2002]: Unpackers code       loaded
Jan  6 11:19:46 endeavour amavis[2002]: DKIM code            loaded
Jan  6 11:19:46 endeavour amavis[2002]: Tools code           NOT loaded
Jan  6 11:19:46 endeavour amavis[2002]: Found $file            at /usr/bin/file
Jan  6 11:19:46 endeavour amavis[2002]: Found $altermime       at /usr/bin/altermime
Jan  6 11:19:46 endeavour amavis[2002]: Internal decoder for .mail
Jan  6 11:19:46 endeavour amavis[2002]: No decoder for       .F
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .Z    at /bin/uncompress
Jan  6 11:19:46 endeavour amavis[2002]: Internal decoder for .gz
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .bz2  at /bin/bzip2 -d
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .xz   at /usr/bin/xz -dc
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .lzma at /usr/bin/xz -dc --format=lzma
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .lzo  at /usr/bin/lzop -d
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .rpm  at /usr/bin/rpm2cpio
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .cpio at /bin/pax
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .tar  at /bin/pax
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .deb  at /usr/bin/ar
Jan  6 11:19:46 endeavour amavis[2002]: Internal decoder for .zip
Jan  6 11:19:46 endeavour amavis[2002]: Internal decoder for .kmz
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .7z   at /usr/bin/7zr
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .rar  at /usr/bin/unrar-free
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .arj  at /usr/bin/arj
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .arc  at /usr/bin/nomarch
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .zoo  at /usr/bin/zoo
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .doc  at /usr/bin/ripole
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .cab  at /usr/bin/cabextract
Jan  6 11:19:46 endeavour amavis[2002]: No decoder for       .tnef
Jan  6 11:19:46 endeavour amavis[2002]: Internal decoder for .tnef
Jan  6 11:19:46 endeavour amavis[2002]: Found decoder for    .exe  at /usr/bin/unrar-free; /usr/bin/arj
Jan  6 11:19:46 endeavour amavis[2002]: Using primary internal av scanner code for ClamAV-clamd
Jan  6 11:19:46 endeavour amavis[2002]: Found secondary av scanner ClamAV-clamscan at /usr/bin/clamscan
Jan  6 11:19:46 endeavour amavis[2002]: Deleting db files __db.003,__db.002,nanny.db,snmp.db,__db.001,__db.004 in /var/lib/amavis/db
Jan  6 11:19:46 endeavour amavis[2002]: Creating db in /var/lib/amavis/db/; BerkeleyDB 0.51, libdb 5.1
Jan  6 11:19:58 endeavour postfix/master[3387]: daemon started -- version 2.9.6, configuration /etc/postfix
Jan  6 11:25:51 endeavour postfix/smtpd[4261]: connect from endeavour.com.br[127.0.0.1]
Jan  6 11:25:51 endeavour postfix/smtpd[4261]: 3B4BD410FE: client=endeavour.com.br[127.0.0.1], sasl_method=LOGIN, sasl_username=glaucio@cenarioesolucao.com.br
Jan  6 11:25:52 endeavour postfix/cleanup[4271]: 3B4BD410FE: message-id=<0f9737c8bfb2f6624e294574ebbcccfc@cenarioesolucao.com.br>
Jan  6 11:25:52 endeavour postfix/qmgr[3391]: 3B4BD410FE: from=<glaucio@cenarioesolucao.com.br>, size=615, nrcpt=1 (queue active)
Jan  6 11:25:52 endeavour roundcube: User glaucio@cenarioesolucao.com.br [189.59.157.188]; Message for glaucio@cenarioesolucao.com.br; 250: 2.0.0 Ok: queued as 3B4BD410FE
Jan  6 11:25:52 endeavour postfix/smtpd[4261]: disconnect from endeavour.com.br[127.0.0.1]
Jan  6 11:25:52 endeavour postfix/smtpd[4278]: connect from endeavour.com.br[127.0.0.1]
Jan  6 11:25:52 endeavour postfix/smtpd[4278]: EFB4A4110F: client=endeavour.com.br[127.0.0.1]
Jan  6 11:25:52 endeavour postfix/cleanup[4271]: EFB4A4110F: message-id=<0f9737c8bfb2f6624e294574ebbcccfc@cenarioesolucao.com.br>
Jan  6 11:25:52 endeavour postfix/qmgr[3391]: EFB4A4110F: from=<glaucio@cenarioesolucao.com.br>, size=1086, nrcpt=1 (queue active)
Jan  6 11:25:52 endeavour postfix/smtpd[4278]: disconnect from endeavour.com.br[127.0.0.1]
Jan  6 11:25:53 endeavour amavis[3146]: (03146-01) Passed CLEAN {RelayedInternal}, MYNETS/MYUSERS LOCAL [127.0.0.1]:36573 [127.0.0.1] <glaucio@cenarioesolucao.com.br> -> <glaucio@cenarioesolucao.com.br>, Queue-ID: 3B4BD410FE, Message-ID: <0f9737c8bfb2f6624e294574ebbcccfc@cenarioesolucao.com.br>, mail_id: te2tJhsGI0CG, Hits: -0.998, size: 615, queued_as: EFB4A4110F, 667 ms
Jan  6 11:25:53 endeavour postfix/smtp[4273]: 3B4BD410FE: to=<glaucio@cenarioesolucao.com.br>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.9, delays=1.2/0.02/0.01/0.67, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as EFB4A4110F)
Jan  6 11:25:53 endeavour postfix/qmgr[3391]: 3B4BD410FE: removed
Jan  6 11:25:53 endeavour postfix/pipe[4282]: EFB4A4110F: to=<glaucio@cenarioesolucao.com.br>, relay=dovecot, delay=0.06, delays=0.01/0.01/0/0.03, dsn=2.0.0, status=sent (delivered via dovecot service)
Jan  6 11:25:53 endeavour postfix/qmgr[3391]: EFB4A4110F: removed
Jan  6 11:26:26 endeavour postfix/smtpd[4261]: connect from endeavour.com.br[127.0.0.1]
Jan  6 11:26:26 endeavour postfix/smtpd[4261]: 7E05D4110F: client=endeavour.com.br[127.0.0.1], sasl_method=LOGIN, sasl_username=glaucio@cenarioesolucao.com.br
Jan  6 11:26:27 endeavour postfix/cleanup[4271]: 7E05D4110F: message-id=<bf2f6d354b42886c814ffc78c9208850@cenarioesolucao.com.br>
Jan  6 11:26:27 endeavour postfix/qmgr[3391]: 7E05D4110F: from=<glaucio@cenarioesolucao.com.br>, size=789, nrcpt=1 (queue active)
Jan  6 11:26:27 endeavour roundcube: User glaucio@cenarioesolucao.com.br [189.59.157.188]; Message for glaucio.teixeira@hotmail.com; 250: 2.0.0 Ok: queued as 7E05D4110F
Jan  6 11:26:27 endeavour postfix/smtpd[4261]: disconnect from endeavour.com.br[127.0.0.1]
Jan  6 11:26:28 endeavour postfix/smtpd[4278]: connect from endeavour.com.br[127.0.0.1]
Jan  6 11:26:28 endeavour postfix/smtpd[4278]: 347B64111A: client=endeavour.com.br[127.0.0.1]
Jan  6 11:26:28 endeavour postfix/cleanup[4271]: 347B64111A: message-id=<bf2f6d354b42886c814ffc78c9208850@cenarioesolucao.com.br>
Jan  6 11:26:28 endeavour postfix/smtpd[4278]: disconnect from endeavour.com.br[127.0.0.1]
Jan  6 11:26:28 endeavour postfix/qmgr[3391]: 347B64111A: from=<glaucio@cenarioesolucao.com.br>, size=1256, nrcpt=1 (queue active)
Jan  6 11:26:28 endeavour amavis[3145]: (03145-01) Passed CLEAN {RelayedInternal}, MYNETS/MYUSERS LOCAL [127.0.0.1]:36612 [127.0.0.1] <glaucio@cenarioesolucao.com.br> -> <glaucio.teixeira@hotmail.com>, Queue-ID: 7E05D4110F, Message-ID: <bf2f6d354b42886c814ffc78c9208850@cenarioesolucao.com.br>, mail_id: WOiNS2lJYpqE, Hits: -0.998, size: 789, queued_as: 347B64111A, 666 ms
Jan  6 11:26:28 endeavour postfix/smtp[4273]: 7E05D4110F: to=<glaucio.teixeira@hotmail.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.8, delays=1.1/0/0.01/0.68, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 347B64111A)
Jan  6 11:26:28 endeavour postfix/qmgr[3391]: 7E05D4110F: removed
Jan  6 11:26:29 endeavour postfix/smtp[4311]: 347B64111A: to=<glaucio.teixeira@hotmail.com>, relay=mx2.hotmail.com[65.55.37.104]:25, delay=1.7, delays=0.01/0.01/0.76/0.94, dsn=2.0.0, status=sent (250  <bf2f6d354b42886c814ffc78c9208850@cenarioesolucao.com.br> Queued mail for delivery)
Jan  6 11:26:29 endeavour postfix/qmgr[3391]: 347B64111A: removed
Jan  6 11:29:56 endeavour postfix/smtpd[4750]: connect from endeavour.com.br[127.0.0.1]
Jan  6 11:29:56 endeavour postfix/smtpd[4750]: 6E23F4110F: client=endeavour.com.br[127.0.0.1], sasl_method=LOGIN, sasl_username=glaucio@cenarioesolucao.com.br
Jan  6 11:29:57 endeavour postfix/cleanup[4754]: 6E23F4110F: message-id=<12d2aa74342fb0a237b2a8bc79fa1014@cenarioesolucao.com.br>
Jan  6 11:29:57 endeavour postfix/qmgr[3391]: 6E23F4110F: from=<glaucio@cenarioesolucao.com.br>, size=603, nrcpt=1 (queue active)
Jan  6 11:29:57 endeavour roundcube: User glaucio@cenarioesolucao.com.br [189.59.157.188]; Message for glaucio@cenarioesolucao.com.br; 250: 2.0.0 Ok: queued as 6E23F4110F
Jan  6 11:29:57 endeavour postfix/smtpd[4750]: disconnect from endeavour.com.br[127.0.0.1]
Jan  6 11:30:06 endeavour postfix/smtpd[4784]: connect from endeavour.com.br[127.0.0.1]
Jan  6 11:30:06 endeavour postfix/smtpd[4784]: B74BA410C1: client=endeavour.com.br[127.0.0.1]
Jan  6 11:30:06 endeavour postfix/cleanup[4754]: B74BA410C1: message-id=<12d2aa74342fb0a237b2a8bc79fa1014@cenarioesolucao.com.br>
Jan  6 11:30:06 endeavour postfix/qmgr[3391]: B74BA410C1: from=<glaucio@cenarioesolucao.com.br>, size=1074, nrcpt=1 (queue active)
Jan  6 11:30:06 endeavour postfix/smtpd[4784]: disconnect from endeavour.com.br[127.0.0.1]
Jan  6 11:30:06 endeavour amavis[3146]: (03146-02) Passed CLEAN {RelayedInternal}, MYNETS/MYUSERS LOCAL [127.0.0.1]:36675 [127.0.0.1] <glaucio@cenarioesolucao.com.br> -> <glaucio@cenarioesolucao.com.br>, Queue-ID: 6E23F4110F, Message-ID: <12d2aa74342fb0a237b2a8bc79fa1014@cenarioesolucao.com.br>, mail_id: mz_2rS1bOR84, Hits: -0.997, size: 603, queued_as: B74BA410C1, 9243 ms
Jan  6 11:30:06 endeavour postfix/smtp[4756]: 6E23F4110F: to=<glaucio@cenarioesolucao.com.br>, relay=127.0.0.1[127.0.0.1]:10024, delay=10, delays=1.1/0.02/0/9.2, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as B74BA410C1)
Jan  6 11:30:06 endeavour postfix/qmgr[3391]: 6E23F4110F: removed
Jan  6 11:30:06 endeavour postfix/pipe[4787]: B74BA410C1: to=<glaucio@cenarioesolucao.com.br>, relay=dovecot, delay=0.06, delays=0.01/0.01/0/0.04, dsn=2.0.0, status=sent (delivered via dovecot service)
Jan  6 11:30:06 endeavour postfix/qmgr[3391]: B74BA410C1: removed
Thank you all for the help up here, and I believe that we are well next to a solution.
Regards,