[Mailman-Users] Re: Okay, you can call me an idiot now

2021-05-17 Thread Robert Heller
At Mon, 17 May 2021 13:41:46 -0400 Jayson Smith  
wrote:

> 
> Hi again,
> 
> 
> Last night I posted a message about Mailman and/or Sendmail failing to 
> deliver Emails to a particular address with an upper case first letter. 
> Two of you pointed out that the mail was probably stuck in Sendmail's 
> outgoing queue, and if it wasn't, the Sendmail logs would show what 
> happened to it. Turns out, you were right. Sendmail did not have those 
> messages in its outgoing queue, and the logs didn't show what happened 
> to them??until I suddenly remembered something, and realized I'd been 
> making a stupid newbie mistake all along, and I am not a Linux newbie by 
> any means! I'd been using Grep to search logs??and I'd forgotten that 
> Grep searches, by default, are case sensitive! When I took that into 
> account, the nonexistent log entries showing this user's mail going out 
> suddenly started existing, wouldn't you know it!
> 

Not an entirely stupid mistake -- 99% of E-Mail address are all lower case. 
The "username" part of an e-mail address is case insensitive and generally 
with Linux and UNIX, usernames are almost always all lower case.  But 
sometimes non-UNIX users sign up to mailing lists and capitialize their E-Mail 
address, since usually the E-Mail address is starting with their name and they 
routinely capitialize their name.  A Linux / UNIX is used to usernames being 
all lower case and so think of E-Mail addresses as being all lower case.


The -i option is a usefull option to use with grep, even when it might be 
redundent.

> 
> Turns out what's really happening is that all mail from this list is 
> going into this user's junk folder. I'm going to ask if he has a 
> button/option to declare such mail to not be junk so hopefully this can 
> be corrected.

*Some* free mail services sometimes do odd things to E-Mail from Mailman 
lists.  Ranging from considering all such mail spam to pre-filing them as 
newletters or something.  Many inexperienced users of these services have no 
idea that this is happening and often have no clue how to find out where their 
mail has gone, any will complain to the list admin that they are not getting 
any messages from the list.

> 
> 
> Thanks,
> 
> 
> Jayson
> 
> 
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> 
> 

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[Mailman-Users] Re: Okay, you can call me an idiot now

2021-05-17 Thread Grant Taylor via Mailman-Users

On 5/17/21 11:41 AM, Jayson Smith wrote:

Hi again,


Hi,

Last night I posted a message about Mailman and/or Sendmail failing to 
deliver Emails to a particular address with an upper case first letter. 


Two of you pointed out that the mail was probably stuck in Sendmail's 
outgoing queue, and if it wasn't, the Sendmail logs would show what 
happened to it. Turns out, you were right. Sendmail did not have those 
messages in its outgoing queue, and the logs didn't show what happened 
to them…until I suddenly remembered something, and realized I'd 
been 
making a stupid newbie mistake all along, and I am not a Linux newbie by 
any means!


It happens.

I'd been using Grep to search logs…and I'd forgotten that Grep 
searches, by default, are case sensitive! When I took that into 
account, the nonexistent log entries showing this user's mail going 
out suddenly started existing, wouldn't you know it!


That's why one of my pet phrases is "trust, but verify".  Especially 
when someone else is asking for help / an additional set of eyes on the 
problem.  Trust that your colleague did the proper thing.  But verify it 
yourself.  We all make silly mistakes like this from time to time. 
Don't beat yourself up.


Turns out what's really happening is that all mail from this list is 
going into this user's junk folder. I'm going to ask if he has a 
button/option to declare such mail to not be junk so hopefully this can 



be corrected.


That makes perfect sense.

Aside:  Don't you just love how you have to identify other people's 
problems so that you can convince them that you don't have a problem?



Thanks,


You're welcome.



--
Grant. . . .
unix || die



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[Mailman-Users] Okay, you can call me an idiot now

2021-05-17 Thread Jayson Smith

Hi again,


Last night I posted a message about Mailman and/or Sendmail failing to 
deliver Emails to a particular address with an upper case first letter. 
Two of you pointed out that the mail was probably stuck in Sendmail's 
outgoing queue, and if it wasn't, the Sendmail logs would show what 
happened to it. Turns out, you were right. Sendmail did not have those 
messages in its outgoing queue, and the logs didn't show what happened 
to them…until I suddenly remembered something, and realized I'd been 
making a stupid newbie mistake all along, and I am not a Linux newbie by 
any means! I'd been using Grep to search logs…and I'd forgotten that 
Grep searches, by default, are case sensitive! When I took that into 
account, the nonexistent log entries showing this user's mail going out 
suddenly started existing, wouldn't you know it!



Turns out what's really happening is that all mail from this list is 
going into this user's junk folder. I'm going to ask if he has a 
button/option to declare such mail to not be junk so hopefully this can 
be corrected.



Thanks,


Jayson


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[Mailman-Users] Re: MM2/Sendmail failing to send messages to upper case Email addresses?

2021-05-17 Thread Grant Taylor via Mailman-Users

On 5/16/21 8:34 PM, Mark Sapiro wrote:
Why is a sendmail question. Possibly someone on this list knows the 
answer, but a sendmail list might be a better resource.


I give it about a 98% chance that Sendmail still has the message in it's 
queue or that it has bounced it.  (Possibly sending it to an unexpected 
location.)  The mail log should show what Sendmail did with the message.


If it is still in the queue, you can have Sendmail do an interactive 
delivery attempt.  I'd try the following:


   sendmail -v -qI0123456789ABCDEF

Presuming that the message ID in queue is 0123456789ABCDEF.

This should cause Sendmail to try to deliver the message again while 
showing what it's doing on STDOUT.


I think that it's very unlikely that Sendmail is loosing the message. 
It's not impossible, but I'd bet a reasonable lunch that it's less than 
0.1 % of a chance that /Sendmail/ is the reason the message is being lost.




--
Grant. . . .
unix || die



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