Re: Debian switchable MTA mechanism

2021-02-16 Thread David Wright
On Wed 17 Feb 2021 at 07:49:57 (+0800), Kevin Shell wrote: > On Wed, Feb 17, 2021 at 07:47:51AM +0800, Kevin Shell wrote: > > On Wed, Feb 17, 2021 at 07:39:15AM +0800, Kevin Shell wrote: > > > On Tue, Feb 16, 2021 at 04:38:06PM -0600, David Wright wrote: > > > > On Tue 16 Feb 2021 at 17:48:25

Re: Debian switchable MTA mechanism

2021-02-16 Thread David Wright
On Wed 17 Feb 2021 at 07:39:15 (+0800), Kevin Shell wrote: > On Tue, Feb 16, 2021 at 04:38:06PM -0600, David Wright wrote: > > On Tue 16 Feb 2021 at 17:48:25 (+0800), Kevin Shell wrote: > > > [...] > > > Isn't Debian already has a /etc/alternatives/ mechanism? > > > > AIUI all the targets of

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Wed, Feb 17, 2021 at 07:47:51AM +0800, Kevin Shell wrote: > On Wed, Feb 17, 2021 at 07:39:15AM +0800, Kevin Shell wrote: > > On Tue, Feb 16, 2021 at 04:38:06PM -0600, David Wright wrote: > > > On Tue 16 Feb 2021 at 17:48:25 (+0800), Kevin Shell wrote: > > > > > [...] > > > > Isn't Debian

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Wed, Feb 17, 2021 at 07:39:15AM +0800, Kevin Shell wrote: > On Tue, Feb 16, 2021 at 04:38:06PM -0600, David Wright wrote: > > On Tue 16 Feb 2021 at 17:48:25 (+0800), Kevin Shell wrote: > > > [...] > > > Isn't Debian already has a /etc/alternatives/ mechanism? > > > > AIUI all the targets of

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Tue, Feb 16, 2021 at 04:38:06PM -0600, David Wright wrote: > On Tue 16 Feb 2021 at 17:48:25 (+0800), Kevin Shell wrote: > [...] > > Isn't Debian already has a /etc/alternatives/ mechanism? > > AIUI all the targets of /etc/alternatives are all installed at the > same time, and can be

Re: Debian switchable MTA mechanism

2021-02-16 Thread David Wright
On Tue 16 Feb 2021 at 17:48:25 (+0800), Kevin Shell wrote: > On Tue, Feb 16, 2021 at 11:29:54AM +0200, Andrei POPESCU wrote: > > On Ma, 16 feb 21, 16:37:20, Kevin Shell wrote: > > > Why Debian does't have a switchable MTA mechanism > > > to allow install multiple MTAs at the same time? > > > >

Re: Conflicting alternatives (was: Debian switchable MTA mechanism)

2021-02-16 Thread Celejar
On Tue, 16 Feb 2021 17:22:21 +0100 wrote: ... > Exactly. This is user-y stuff: imagine two X servers running on behalf > of two users (some time ago, those were a separate hardware: remember > those shiny HP thingies with a whopping 6 MB of RAM and a huge monitor? > > This was before HP

Re: Conflicting alternatives (was: Debian switchable MTA mechanism)

2021-02-16 Thread didar
On Tue, Feb 16, 2021 at 11:03:14AM -0500, Dan Ritter wrote: > Stefan Monnier wrote: > > Still, there is to me no good reason not to allow installing both exim > > and postfix at the same time. I think it's just a tradeoff between how > > often this could be useful and how much work it takes to

Re: Conflicting alternatives (was: Debian switchable MTA mechanism)

2021-02-16 Thread tomas
On Tue, Feb 16, 2021 at 09:17:13AM -0500, Stefan Monnier wrote: > > Therefore, you'll find apretty advanced alternatives system > > for client-y stuff in Debian (editor, MUA, what not) but > > not for server-y stuff. > > Hmm... so that's your take on it? > Maybe you're right. I was thinking of

Re: Conflicting alternatives (was: Debian switchable MTA mechanism)

2021-02-16 Thread Dan Ritter
Stefan Monnier wrote: > Still, there is to me no good reason not to allow installing both exim > and postfix at the same time. I think it's just a tradeoff between how > often this could be useful and how much work it takes to tweak the > packages. An MTA has to provide certain things, or else

Re: Debian switchable MTA mechanism

2021-02-16 Thread Darac Marjal
On 16/02/2021 14:19, Semih Ozlem wrote: > Just out of curiosity what is MTA short for? Mail Transfer Agent. Email has a whole bunch of similar acronyms to describe the various parts of the flow of email. You compose in an MUA (Mail User Agent), which hands it so an MSA (Mail Submission Agent -

Re: Debian switchable MTA mechanism

2021-02-16 Thread IL Ka
>Just out of curiosity what is MTA short for? Mail Transfer Agent. This is a server that must be able to: * get email message from MUA (mail user agent) * forward/route it to the destination (or to the right direction at least) * As last step, MTA sends message to the MDA (mail delivery agent)

Re: Debian switchable MTA mechanism

2021-02-16 Thread Semih Ozlem
Just out of curiosity what is MTA short for? Kevin Shell , 16 Şub 2021 Sal, 11:57 tarihinde şunu yazdı: > Hello Debian Users. > > Why Debian does't have a switchable MTA mechanism > to allow install multiple MTAs at the same time? > > Fedora, Centos etc. allow users to install > multiple MTAs at

Re: Debian switchable MTA mechanism

2021-02-16 Thread rhkramer
On Tuesday, February 16, 2021 08:33:50 AM Dan Ritter wrote: > Kevin Shell wrote: > > Looks like stupid to use this command to switch MTA. 邏 > > Are you calling me stupid for answering your question? I'm glad you (dsr) "called him out"! (I was getting ready to do so, but, I hope, your reply

Conflicting alternatives (was: Debian switchable MTA mechanism)

2021-02-16 Thread Stefan Monnier
> Therefore, you'll find apretty advanced alternatives system > for client-y stuff in Debian (editor, MUA, what not) but > not for server-y stuff. Hmm... so that's your take on it? Maybe you're right. I was thinking of the display manager as a counter-example (you can install lxdm, gdm, and

Re: Debian switchable MTA mechanism

2021-02-16 Thread Dan Ritter
Kevin Shell wrote: > On Tue, Feb 16, 2021 at 08:33:50AM -0500, Dan Ritter wrote: > > Kevin Shell wrote: > > > On Tue, Feb 16, 2021 at 06:39:03AM -0500, Dan Ritter wrote: > > > [...] > > > > Don't purge them. Just install each of them in turn. Then the > > > > command to move to the next one is >

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Tue, Feb 16, 2021 at 08:33:50AM -0500, Dan Ritter wrote: > Kevin Shell wrote: > > On Tue, Feb 16, 2021 at 06:39:03AM -0500, Dan Ritter wrote: > > [...] > > > Don't purge them. Just install each of them in turn. Then the > > > command to move to the next one is > > > > > > apt install MTA-NAME

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Tue, Feb 16, 2021 at 08:33:50AM -0500, Dan Ritter wrote: > Kevin Shell wrote: > > On Tue, Feb 16, 2021 at 06:39:03AM -0500, Dan Ritter wrote: > > [...] > > > Don't purge them. Just install each of them in turn. Then the > > > command to move to the next one is > > > > > > apt install MTA-NAME

Re: Debian switchable MTA mechanism

2021-02-16 Thread Dan Ritter
Kevin Shell wrote: > On Tue, Feb 16, 2021 at 06:39:03AM -0500, Dan Ritter wrote: > [...] > > Don't purge them. Just install each of them in turn. Then the > > command to move to the next one is > > > > apt install MTA-NAME > > > Looks like stupid to use this command to switch MTA. 邏 Are you

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Tue, Feb 16, 2021 at 06:39:03AM -0500, Dan Ritter wrote: > > You have an unusual use-case. > yeah, weird use case. 邏 > > > > Fedora, Centos etc. allow users to install multiple MTAs at the same > > > > multiple MTAs at the same time. > [...] > Don't purge them. Just install each of them

Re: Debian switchable MTA mechanism

2021-02-16 Thread Dan Ritter
Kevin Shell wrote: > On Tue, Feb 16, 2021 at 11:29:54AM +0200, Andrei POPESCU wrote: > > On Ma, 16 feb 21, 16:37:20, Kevin Shell wrote: > > > Hello Debian Users. > > > > > > Why Debian does't have a switchable MTA mechanism > > > to allow install multiple MTAs at the same time? > > > > Why do

Re: Debian switchable MTA mechanism

2021-02-16 Thread tomas
On Tue, Feb 16, 2021 at 05:48:25PM +0800, Kevin Shell wrote: > On Tue, Feb 16, 2021 at 11:29:54AM +0200, Andrei POPESCU wrote: > > On Ma, 16 feb 21, 16:37:20, Kevin Shell wrote: > > > Hello Debian Users. > > > > > > Why Debian does't have a switchable MTA mechanism > > > to allow install multiple

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kamil Jońca
Georgi Naplatanov writes: > On 2/16/21 10:37 AM, Kevin Shell wrote: >> Hello Debian Users. >> >> Why Debian does't have a switchable MTA mechanism >> to allow install multiple MTAs at the same time? >> >> Fedora, Centos etc. allow users to install >> multiple MTAs at the same time. >> There's

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Tue, Feb 16, 2021 at 11:13:36AM +0200, Georgi Naplatanov wrote: > Hi Kevin. > > What is the use-case for multiple MTAs, port 25 is only one. > I run a VPS, for study purpose to switch between MTAs not having to remove one to get the other, I want to keep them installed at the same time. You

Re: Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
On Tue, Feb 16, 2021 at 11:29:54AM +0200, Andrei POPESCU wrote: > On Ma, 16 feb 21, 16:37:20, Kevin Shell wrote: > > Hello Debian Users. > > > > Why Debian does't have a switchable MTA mechanism > > to allow install multiple MTAs at the same time? > > Why do you need this? > For convenience

Re: Debian switchable MTA mechanism

2021-02-16 Thread Andrei POPESCU
On Ma, 16 feb 21, 16:37:20, Kevin Shell wrote: > Hello Debian Users. > > Why Debian does't have a switchable MTA mechanism > to allow install multiple MTAs at the same time? Why do you need this? > Fedora, Centos etc. allow users to install multiple MTAs at the same > multiple MTAs at the same

Re: Debian switchable MTA mechanism

2021-02-16 Thread Georgi Naplatanov
On 2/16/21 10:37 AM, Kevin Shell wrote: > Hello Debian Users. > > Why Debian does't have a switchable MTA mechanism > to allow install multiple MTAs at the same time? > > Fedora, Centos etc. allow users to install > multiple MTAs at the same time. > There's a "alternatives --config mta" command

Debian switchable MTA mechanism

2021-02-16 Thread Kevin Shell
Hello Debian Users. Why Debian does't have a switchable MTA mechanism to allow install multiple MTAs at the same time? Fedora, Centos etc. allow users to install multiple MTAs at the same time. There's a "alternatives --config mta" command to allow to choose between alternative MTA. -- kevin