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    Hi,<br>
    <br>
    Occurred this issue on 29/07/2015. Till then the service was working
    fine.<br>
    <br>
    From roundcubemail, while sending out mails, says "Message sent
    successfully". In the log file ( /var/log/maillog) also, records as
    STATUS SENT.<br>
    But the mail reaches nowhere. This is applicable to the mails to the
    same domain as well as for other domains.<br>
    <br>
    On disabling the Amavisd service, it worked for few days. (
    commented out #content_filter = smtp-amavis:[127.0.0.1]:10024 in the
    /etc/postfix/main.cf file)<br>
    <br>
    The system is Centos 7. I have updated the system. The result of
    update is:<br>
    <br>
    Updating   :
    roundcubemail-plugin-managesieve-1.1.2-4.8.el7.kolab_3.4.noarch                                                                                                    
    58/195 <br>
    warning: /etc/roundcubemail/managesieve.inc.php created as
    /etc/roundcubemail/managesieve.inc.php.rpmnew<br>
    Updating   :
    amavisd-new-2.10.1-4.el7.noarch                                                                                                                                    
    70/195 <br>
    warning: /etc/amavisd/amavisd.conf created as
    /etc/amavisd/amavisd.conf.rpmnew<br>
    <br>
    <br>
    Removed:<br>
      kernel.x86_64
    0:3.10.0-123.8.1.el7                                                                                                                                                     
    <br>
    <br>
    Installed:<br>
      kernel.x86_64
    0:3.10.0-229.7.2.el7                                                                                                                                                     
    <br>
    <br>
    Dependency Installed:<br>
      pax.x86_64
    0:3.4-19.el7                                                                                                                                                                
    <br>
    <br>
    Updated:<br>
      amavisd-new.noarch
    0:2.10.1-4.el7                                                        
    bind-libs.x86_64
    32:9.9.4-18.el7_1.3                                                        
    <br>
      bind-libs-lite.x86_64
    32:9.9.4-18.el7_1.3                                                
    bind-license.noarch
    32:9.9.4-18.el7_1.3                                                     
    <br>
      bind-utils.x86_64
    32:9.9.4-18.el7_1.3                                                    
    cups-libs.x86_64
    1:1.6.3-17.el7_1.1                                                         
    <br>
      device-mapper.x86_64
    7:1.02.93-3.el7_1.1                                                 
    device-mapper-event.x86_64
    7:1.02.93-3.el7_1.1                                               <br>
      device-mapper-event-libs.x86_64
    7:1.02.93-3.el7_1.1                                      
    device-mapper-libs.x86_64
    7:1.02.93-3.el7_1.1                                                <br>
      dracut.x86_64
    0:033-241.el7_1.3                                                          
    dracut-config-rescue.x86_64
    0:033-241.el7_1.3                                                <br>
      dracut-network.x86_64
    0:033-241.el7_1.3                                                  
    firefox.x86_64
    0:38.1.0-1.el7.centos                                                        
    <br>
      gnutls.x86_64
    0:3.3.8-12.el7_1.1                                                         
    iputils.x86_64
    0:20121221-6.el7_1.1                                                         
    <br>
      kernel-headers.x86_64
    0:3.10.0-229.7.2.el7                                               
    kernel-tools.x86_64
    0:3.10.0-229.7.2.el7                                                    
    <br>
      kernel-tools-libs.x86_64
    0:3.10.0-229.7.2.el7                                            
    kolab-cli.noarch
    0:0.7.10-4.el7.kolab_3.4                                                   
    <br>
      kolab-saslauthd.noarch
    0:0.7.10-4.el7.kolab_3.4                                          
    kolab-server.noarch
    0:0.7.10-4.el7.kolab_3.4                                                
    <br>
      libgudev1.x86_64
    0:208-20.el7_1.5                                                        
    libreport-filesystem.x86_64
    0:2.1.11-23.el7.centos.0.1                                       <br>
      libuser.x86_64
    0:0.60-7.el7_1                                                            
    lvm2.x86_64
    7:2.02.115-3.el7_1.1                                                            
    <br>
      lvm2-libs.x86_64
    7:2.02.115-3.el7_1.1                                                    
    mdadm.x86_64
    0:3.3.2-2.el7_1.1                                                              
    <br>
      nss.x86_64
    0:3.19.1-3.el7_1                                                              
    nss-sysinit.x86_64
    0:3.19.1-3.el7_1                                                         
    <br>
      nss-tools.x86_64
    0:3.19.1-3.el7_1                                                        
    nss-util.x86_64
    0:3.19.1-1.el7_1                                                            
    <br>
      openssl.x86_64
    1:1.0.1e-42.el7.9                                                         
    openssl-libs.x86_64
    1:1.0.1e-42.el7.9                                                       
    <br>
      php.x86_64
    0:5.4.16-36.el7_1                                                             
    php-ZendFramework.noarch
    0:1.12.13-1.el7                                                    
    <br>
      php-bcmath.x86_64
    0:5.4.16-36.el7_1                                                      
    php-cli.x86_64
    0:5.4.16-36.el7_1                                                            
    <br>
      php-common.x86_64
    0:5.4.16-36.el7_1                                                      
    php-gd.x86_64
    0:5.4.16-36.el7_1                                                             
    <br>
      php-ldap.x86_64
    0:5.4.16-36.el7_1                                                        
    php-mbstring.x86_64
    0:5.4.16-36.el7_1                                                       
    <br>
      php-mysql.x86_64
    0:5.4.16-36.el7_1                                                       
    php-pdo.x86_64
    0:5.4.16-36.el7_1                                                            
    <br>
      php-process.x86_64
    0:5.4.16-36.el7_1                                                     
    php-xml.x86_64
    0:5.4.16-36.el7_1                                                            
    <br>
      postfix-kolab.noarch
    0:0.7.10-4.el7.kolab_3.4                                            
    pykolab.noarch
    0:0.7.10-4.el7.kolab_3.4                                                     
    <br>
      pykolab-xml.noarch
    0:0.7.10-4.el7.kolab_3.4                                              
    python.x86_64
    0:2.7.5-18.el7_1.1                                                            
    <br>
      python-devel.x86_64
    0:2.7.5-18.el7_1.1                                                   
    python-libs.x86_64
    0:2.7.5-18.el7_1.1                                                       
    <br>
      roundcubemail.noarch
    0:1.1.2-4.8.el7.kolab_3.4                                           
    roundcubemail-core.noarch
    0:1.1.2-4.8.el7.kolab_3.4                                          <br>
      roundcubemail-core-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                               
    roundcubemail-plugin-acl.noarch
    0:1.1.2-4.8.el7.kolab_3.4                                    <br>
      roundcubemail-plugin-acl-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                         
    roundcubemail-plugin-acl-skin-larry.noarch
    0:1.1.2-4.8.el7.kolab_3.4                         <br>
      roundcubemail-plugin-acl-skin-larry-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4              
    roundcubemail-plugin-archive.noarch
    0:1.1.2-4.8.el7.kolab_3.4                                <br>
      roundcubemail-plugin-archive-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                     
    roundcubemail-plugin-archive-skin-larry.noarch
    0:1.1.2-4.8.el7.kolab_3.4                     <br>
      roundcubemail-plugin-archive-skin-larry-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4          
    roundcubemail-plugin-contextmenu.noarch
    0:2.1.1-5.3.el7.kolab_3.4                            <br>
      roundcubemail-plugin-filesystem_attachments.noarch
    0:1.1.2-4.8.el7.kolab_3.4             
    roundcubemail-plugin-filesystem_attachments-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4          <br>
      roundcubemail-plugin-jqueryui.noarch
    0:1.1.2-4.8.el7.kolab_3.4                           
    roundcubemail-plugin-jqueryui-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                        <br>
      roundcubemail-plugin-jqueryui-skin-larry.noarch
    0:1.1.2-4.8.el7.kolab_3.4                
    roundcubemail-plugin-jqueryui-skin-larry-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4             <br>
      roundcubemail-plugin-managesieve.noarch
    0:1.1.2-4.8.el7.kolab_3.4                        
    roundcubemail-plugin-managesieve-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                     <br>
      roundcubemail-plugin-managesieve-skin-larry.noarch
    0:1.1.2-4.8.el7.kolab_3.4             
    roundcubemail-plugin-managesieve-skin-larry-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4          <br>
      roundcubemail-plugin-markasjunk.noarch
    0:1.1.2-4.8.el7.kolab_3.4                         
    roundcubemail-plugin-markasjunk-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                      <br>
      roundcubemail-plugin-markasjunk-skin-larry.noarch
    0:1.1.2-4.8.el7.kolab_3.4              
    roundcubemail-plugin-markasjunk-skin-larry-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4           <br>
      roundcubemail-plugin-newmail_notifier.noarch
    0:1.1.2-4.8.el7.kolab_3.4                   
    roundcubemail-plugin-newmail_notifier-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                <br>
      roundcubemail-plugin-password.noarch
    0:1.1.2-4.8.el7.kolab_3.4                           
    roundcubemail-plugin-password-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                        <br>
      roundcubemail-plugin-redundant_attachments.noarch
    0:1.1.2-4.8.el7.kolab_3.4              
    roundcubemail-plugin-redundant_attachments-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4           <br>
      roundcubemail-skin-larry.noarch
    0:1.1.2-4.8.el7.kolab_3.4                                
    roundcubemail-skin-larry-assets.noarch
    0:1.1.2-4.8.el7.kolab_3.4                             <br>
      selinux-policy.noarch
    0:3.13.1-23.el7_1.8                                                
    selinux-policy-targeted.noarch
    0:3.13.1-23.el7_1.8                                           <br>
      systemd.x86_64
    0:208-20.el7_1.5                                                          
    systemd-libs.x86_64
    0:208-20.el7_1.5                                                        
    <br>
      systemd-sysv.x86_64
    0:208-20.el7_1.5                                                     
    trousers.x86_64
    0:0.3.11.2-4.el7_1                                                          
    <br>
      tzdata.noarch
    0:2015e-1.el7                                                              
    wallace.noarch
    0:0.7.10-4.el7.kolab_3.4                                                     
    <br>
      wpa_supplicant.x86_64
    1:2.0-17.el7_1                                                     
    xerces-c.x86_64
    0:3.1.1-7.el7_1                                                             
    <br>
    <br>
    Complete!<br>
    <br>
    <br>
    Today, on 3/8/2015, even with disabling Amavis, not able to send out
    mails. Restarted postfix service, and started working ( with
    disabling Amavis ).<br>
    <br>
    Kindly give a solution to this issue.<br>
    <br>
    Thanks in advance<br>
    <br>
    <br>
    Hari<br>
    <br>
    <br>
    <br>
  
<br>
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