[BlueOnyx:26497] Re: The Postfix learning curve continues

2023-09-21 Thread Michael Stauber via Blueonyx

Hi Chad,

Most of the challenges are, honestly, coming from other solutions that 
send telemetry, etc. both to local admin (i.e. me) and for remote 
diagnostics/statistics.  The emails that are going to domains hosted by 
my BlueOnyx, as you'd expect, get delivered just fine.  It's those pesky 
outgoing things (and to be honest, I also use internal email to external 
SMS notification emails for some things that also get shot down).


Sure, that's fully understandable.

While none of these are life and death critical, I'm glad to know that 
at least the problem is understood, and appreciate the complexities of 
implementing a fix.  Hopefully parsing the IF{postfix} then {ensure IP's 
only} won't be a big lift, and also won't disrupt anything else that 
needs to work. 
No problem. I'll look into it as soon as I can. I had planned it for 
today, but instead the two local ISP's in our city played the blame game 
again: Two technicians from Movistar opened the porthole in front of our 
apartment, lifted all Coax distributors of their competitor "Tigo" out, 
threw them back into the hole, gave 'em a few kicks for good measure and 
since then we're cut off from the internet again.


Just spent three hours filing a claim with the ISP to get this sorted. 
This is now the third sabotage in six weeks and it's getting ridiculous. 
Hopefully it'll get sorted by tomorrow, but over here one never knows.


Anyway: As soon as I can I'll look into this.

--
With best regards

Michael Stauber
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[BlueOnyx:26496] Re: The Postfix learning curve continues

2023-09-21 Thread Chad Bersche via Blueonyx

Thanks for the explanation, Michael.

Most of the challenges are, honestly, coming from other solutions that 
send telemetry, etc. both to local admin (i.e. me) and for remote 
diagnostics/statistics.  The emails that are going to domains hosted by 
my BlueOnyx, as you'd expect, get delivered just fine.  It's those pesky 
outgoing things (and to be honest, I also use internal email to external 
SMS notification emails for some things that also get shot down).


While none of these are life and death critical, I'm glad to know that 
at least the problem is understood, and appreciate the complexities of 
implementing a fix.  Hopefully parsing the IF{postfix} then {ensure IP's 
only} won't be a big lift, and also won't disrupt anything else that 
needs to work.  I respect that my challenge may be a specific to me one, 
and that doing something about it may not be practical without breaking 
other things.  If that ends up the case, just tell me. :)


Thank you sir!

  -Chad

On 9/21/2023 1:39 AM, :

The complication is that the GUI field "Relay Email From
Hosts/Domains/IP Addresses" accepts both IPs and domain names, but the
"mynetworks" line in Postfix just accepts IPs. So I'll have to throw in
some extra cogs and wheels to make sure that only IPs end up in the
"mynetworks" line. But this is doable.

I'll play around with it tomorrow and will see if I can work this out
and then we'll have a YUM update ready to fix this in the next few days.

-- With best regards Michael Stauber

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[BlueOnyx:26495] Re: POP sent to IMAP sent

2023-09-21 Thread Michael Stauber via Blueonyx

Hi Meaulnes,


okaaay, me old man will comply and use the /en vogue/ IMAP 


That's the spirit! :o)

--
With best regards

Michael Stauber
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[BlueOnyx:26494] Re: POP sent to IMAP sent

2023-09-21 Thread Meaulnes Legler @ MailList via Blueonyx

thank you all

okaaay, me old man will comply and use the /en vogue/ IMAP 

best regards

で⊃ Meaulnes Legler
Zurich, Switzerland
+41¦0 44 260-1660

On 19.09.23 06:14, Michael Stauber via Blueonyx wrote:

Hi Meaulnes,


I guess all of you guys use IMAP on all of your computers, so you don't have 
this problem... I was looking for a solution for fetching my Sent folder 
contents automatically from my office desktop computer to the remote Sent 
folder on the server.


Like Taco and Chris have already mentioned: This day and age IMAP is really the 
best choice if you want to use the same account on multiple devices AND have 
all emails (sent and received) accessible everywhere.

I was in the same boat many years ago and was still using POP3 on an important 
account. Eventually it really became too much of an hassle when using multiple 
devices for checking emails.

Here is what I did: In Thunderbird I disabled the account that was still using POP3 and 
excluded it from being checked. I also renamed it to "usern...@server.com 
(POP3)" to make it really obvious: That's one old one.

Then I recreated the account in Thunderbird (using the same server, username 
and password), but configured it to use IMAP instead.

That way I now had two configurations in the email client for the very same 
account: An active one using IMAP, and a disabled one that used to use POP3 
before it got disabled and was now excluded from regular email checks.

Now there were a few recent messages (and replies of mine) that I wanted to be 
present on the server and accessible via IMAP. So in Thunderbird I selected 
those messages and copied them from the disabled POP3 account to the now active 
IMAP account. Which then uploaded the messages via IMAP to the server. Then I 
set up a sensible folder structure and sorted the messages into the right 
folders.

If there were still a message older than that which I needed? I still had the 
old POP3 account data in Thunderbird and could fetch 'em from there.

So it's really not too much hassle to switch from POP3 to IMAP in the 
email-client. To the contrary: That little discomfort during the switch is 
repaid tenfold from there on.

Also, when you do this: Email clients usually also allow you to configure how 
long they keep messages on the server before deleting them there, or what to do 
with messages after that expiry date. Especially with IMAP (which usually 
leaves emails on the server) you should set up some sensible expunging or 
archiving.

Depending on the accounts typical usage I leave emails on the server for a few 
days or so and then archive them into either an IMAP folder on the server, or a 
local folder on my PC.



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