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Operating Systems Solaris Mailx , sendmail and mailhost Post 302966863 by javanoob on Wednesday 17th of February 2016 10:20:04 AM
Old 02-17-2016
Smiliehi all,

sorry for bring up this thread.
I happen to encounter this setup below

Code:
 
 disabled       Jan_23   svc:/network/sendmail-client:default
online         Jan_23   svc:/network/smtp:sendmail

 ps -ef | grep sendmail
    root  2838  2101   0   Jan 23 ?           0:49 /usr/lib/sendmail -bl -q15m
  oracle 25537  9002   0 20:42:07 pts/2       0:00 grep sendmail

There is also no mailhost set in the /etc/hosts nor DNS (using nslookup) and yet I can still send out email using mailx from that server.

There is a local sendmail daemon listening at port 25 though.


Does it means

1) when sendmail-client service is disabled, it just means that there will be no daemon to push the mclientqueue but mailx will still spawn a sendmail process as a msp and read the submit.cf

2) having no mailhost define in /etc/hosts and dns, and a sendmail daemon (MTA) listening at local port 25, can I say that the local sendmail MTA directly
resolve the next hop to the actual mailserver of the recipient / sending out without going through a relay ?

Regards,
NoobSmilieSmilieSmilie
 

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install-solaris(1M)													       install-solaris(1M)

NAME
install-solaris - install the Solaris operating system SYNOPSIS
install-solaris install-solaris invokes the Solaris Install program. Depending on graphical capability and available memory at the time of invocation, install-solaris invokes either a text-based installer or a graphical installer. The following minimum requirements for physical memory dictate which features are available during installation: For SPARC machines: 128 MB Minimum physical memory for all installation types 128 MB Minimum physical memory required for windowing system 384 MB Minimum physical memory required for graphical-based installation For x86 machines: 256 MB Minimum physical memory for all installation types 256 MB Minimum physical memory required for windowing system 512 MB Minimum physical memory required for graphical-based installation In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number of fea- tures available. install-solaris exists only on the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the for more details. install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the installation media. Refer to the for disk space requirements. Refer to the for more information on the various menus and selections. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcdrom (Solaris instal- | | |lation media) | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ pkginfo(1), install(1M), pkgadd(1M), attributes(5) It is advisable to exit install-solaris by means of the exit options in the install-solaris menus. 23 Sep 2005 install-solaris(1M)
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