how and where are created mailboxes "webmaster"

Discussion in 'Installation/Configuration' started by Poliman, Dec 12, 2018.

  1. Poliman

    Poliman Member

    I have changed the size of additional disk in my server. After this job I was testing all work properly. I have checked fuser -m -u /mnt/disk and there was list of users with their processes. I pasted below two examples. I would like to know how and where are created mailboxes "webmaster" which belong to particular domain on the server. This is Perfect Server with newest ISP and Ubuntu 16 LTS. I didn't create [email protected]. Is it some kind of default sendmail behavior?
    [email protected]:/mnt/disk# ps -ef | grep 17050
    web105   17050  2124  0 07:26 ?        00:00:00 /opt/php-5.6.30/bin/php-cgi -d open_basedir=/var/www/clients/client41/web105/web:/var/www/clients/client41/web105/private:/var/www/clients/client41/web105/tmp:/var/www/ -d upload_tmp_dir=/var/www/clients/client41/web105/tmp -d session.save_path=/var/www/clients/client41/web105/tmp -d sendmail_path=/usr/sbin/sendmail -t -i -f [email protected]
    root     18343  7992  0 07:31 pts/0    00:00:00 grep --color=auto 17050
    [email protected]:/mnt/disk# ps -ef | grep 17099
    vmail    17099  1362  0 07:26 ?        00:00:00 dovecot/imap
    root     19550  7992  0 07:35 pts/0    00:00:00 grep --color=auto 17099
    [email protected]:/mnt/disk# ps -ef | grep 9468
    web28     9468  2124  0 07:00 ?        00:00:19 /opt/php-5.6.30/bin/php-cgi -d open_basedir=/var/www/clients/client11/web28/web:/var/www/clients/client11/web28/private:/var/www/clients/client11/web28/tmp:/var/www/ -d upload_tmp_dir=/var/www/clients/client11/web28/tmp -d session.save_path=/var/www/clients/client11/web28/tmp -d sendmail_path=/usr/sbin/sendmail -t -i -f [email protected]
  2. Taleman

    Taleman Well-Known Member HowtoForge Supporter

    Wikipedia is your friend:
  3. Poliman

    Poliman Member

    Nice but this time wikipedia does not answer to my question. I need to know what is the origin of webmaster default email. How it's created?
  4. till

    till Super Moderator Staff Member ISPConfig Developer

    The ps output you posted is about PHP processes and not mailboxes and if there is a webmaster mailbox or not depends on if you created a webmaster mailbox or not. If you did not create one, then emails to the webmaster address of your domain will be returned as undeliverable.
  5. Poliman

    Poliman Member

    Yes, you have right that they are related with php processes but at the end of each is part:
    sendmail_path=/usr/sbin/sendmail -t -i -f [email protected]
    sendmail_path=/usr/sbin/sendmail -t -i -f [email protected]
    I didn't create any of these webmaster mailboxes, so it will be undeliverable. But what these two lines means, it's some kind of cronjob or something? I have many of these lines depends on ps output for specific process.
  6. Dogbreath

    Dogbreath New Member

    It is setting the default From: address on emails generated by PHP, from the given sites, to [email protected]

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