Re: Accessing root mail messages from another LAN host via IMAP

On Mon, May 9, 2022 at 12:47 AM David Christensen <dpchrist@holgerdanske.com>
wrote:

> On 5/8/22 14:06, Mehmet Erol Sanliturk wrote:
> > On Sun, May 8, 2022 at 11:30 PM David Christensen <
> dpchrist@holgerdanske.com>
> > wrote:
> >
> >> On 5/8/22 06:34, Arthur Chance wrote:
> >>> On 08/05/2022 07:05, David Christensen wrote:
> >>>> freebsd-questions:
> >>>>
> >>>> I have a SOHO network with a FreeBSD computer:
> >>>>
> >>>> 2022-05-07 22:28:10 toor@f3 ~
> >>>> # freebsd-version ; uname -a
> >>>> 12.3-RELEASE-p5
> >>>> FreeBSD f3.tracy.holgerdanske.com 12.3-RELEASE-p5 FreeBSD
> >>>> 12.3-RELEASE-p5 GENERIC  amd64
> >>>>
> >>>>
> >>>> I would like to read mail for the root account on the above computer
> by
> >>>> using an e-mail client, IMAP, and TLS (Thunderbird) on another LAN
> >>>> computer.
> >>>>
> >>>> How do I accomplish this goal?  Are there any tutorials available on
> the
> >>>> WWW?
> >>>
> >>> Do you actually need/want the root mail to be stored on the originating
> >>> machine? I have a variety of servers on my home network and they all
> >>> forward all mail to a central machine using dma(1).
> >>
> >>
> >> Thank you for the reply.
> >>
> >>
> >> At this point, I am looking to start with the simplest solution for one
> >> FreeBSD computer.
> >>
> >>
> >> Lucas [1] describes using dma(1).  A local centralized MTA has
> >> operations and maintenance advantages, especially if there are many
> >> local hosts.  But, first I have to figure out how to build a local
> >> centralized MTA (with TLS).  Furthermore, centralization implies "all of
> >> your eggs in one basket".  As I expect that I will be breaking and
> >> fixing this several times as I learn, decentralized KISS should be
> easier.
> >>
> >>
> >> David
> >>
> >>
> >> [1] https://mwl.io/nonfiction/os#af3e
> >
> >
> >
> >
> > I am asking for only learning :
> >
> > To enable communications between local computers ,
> > is it not possible to use  NFS supporting communicating programs ?
> > If NFS is not suitable , why ?
> >
> >
> > With my best wishes ,
> >
> > Mehmet Erol Sanliturk
>
>
> https://en.wikipedia.org/wiki/Network_File_System
>
> "Network File System (NFS) is a distributed file system protocol
> originally developed by Sun Microsystems (Sun) in 1984,[1] allowing a
> user on a client computer to access files over a computer network much
> like local storage is accessed. ..."
>
>
> AIUI electronic mail uses different protocols that NFS, so they are not
> compatible by default.
>
>
> That said, the MTA on the server stores messages in a filesystem as does
> the MUA on the client.  I supposed you could create a filesystem in one
> place for mail storage and have the client and server share it, but the
> MTA and the MUA both would need to be designed for shared storage and
> both would need to use the same file structures; I doubt sendmail(8) and
> Thunderbird have these.  And, then there is reliability and security.
>
>
> David
>



Your answer is sufficiently clear to understand the problems .


Thank you very much .

With my best wishes ,

Mehmet Erol Sanliturk