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[#] Fri Aug 03 2018 18:40:01 EDT from iMav @ Uncensored

Subject: Re: Mailing list help

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When I send email to the "room_*@domain" format, it gets dumped into the room (and not forwarded to the subscriber email addresses.  When I send email to the alternate email alias, it bounces with a "550 Invalid Recipient" message...



[#] Sat Aug 04 2018 09:24:14 EDT from iMav @ Uncensored

Subject: Re: Mailing list help

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I deleted the room and recreated it.  Now when I send to the alias email address I get the following:  "553 sorry, no mailbox here by that name"  

And, as before, when I send to the "room_*@domain" format, the message gets dumped into the room...but not forwarded on to recipients....



[#] Sat Aug 04 2018 09:30:57 EDT from iMav @ Uncensored

Subject: Re: Mailing list help

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Ok.  It appears to be working with the "room_*" address now.  I just can't get an alias email address to work.  (same domain...just removing "room_" from the full email address).  I even added it to the aliases file to see if that would help...nope.



[#] Sun Aug 05 2018 19:45:25 EDT from soydepr @ Uncensored

Subject: logging in to webclient

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installed citadel-suite and started the server.

 

however I can't log in to the webclient 

 

any help appreciated .



[#] Mon Aug 06 2018 10:24:47 EDT from IGnatius T Foobar @ Uncensored

Subject: Re: logging in to webclient

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You posted to the Lobby and you instant-messaged random people here, despite the clear instructions not to do either of those things. Please give all instructions a thorough read.

[#] Mon Aug 06 2018 13:00:22 EDT from iMav @ Uncensored

Subject: Re: Mailing list help

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Fri Aug 03 2018 16:05:43 EDT from IGnatius T Foobar @ Uncensored Subject: Re: Mailing list help
We've been using it that way for years. What part of it isn't working for you?

 

Is there any good way to troubleshoot why the rooms are not forwarding emails on?  (and why personal email forward rules are not doing so either.)

I'm assuming the issue is related.

(note, I CAN send email from an account within Citadel without issue.)



[#] Mon Aug 06 2018 16:26:31 EDT from iMav @ Uncensored

Subject: Re: Mailing list help

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I'm thinking it may be back to postfix and mailman for me...unless there is some sort of troubleshooting guide?  is there a debug mode?  Are most things dumped into syslog?



[#] Mon Aug 06 2018 19:15:42 EDT from iMav @ Uncensored

Subject: "msgbase: message 0 appears to be corrupted"

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Has anyone seen this error in the logs?  (and, if so, any idea how to resolve it??)



[#] Mon Aug 06 2018 19:27:03 EDT from iMav @ Uncensored

Subject: Re: "msgbase: message 0 appears to be corrupted"

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Mon Aug 06 2018 19:15:42 EDT from iMav @ Uncensored Subject: "msgbase: message 0 appears to be corrupted"

Has anyone seen this error in the logs?  (and, if so, any idea how to resolve it??)



 

I see this periodically as well:

"user_ops: 0 not found"

 

Thoughts?



[#] Thu Aug 09 2018 14:34:15 EDT from IGnatius T Foobar @ Uncensored

Subject: Re: "msgbase: message 0 appears to be corrupted"

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Has anyone seen this error in the logs?  (and, if so, any idea how
to resolve it??)

It's a harmless side effect, you may safely disregard it.

[#] Thu Aug 09 2018 14:38:23 EDT from cashxx @ Uncensored

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I keep failing on install at 96%.  Installing on Ubuntu 16.04.  Anyone seen this?



[#] Thu Aug 09 2018 15:40:21 EDT from cashxx @ Uncensored

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Actually it is after install and during setup.   I get through setup and it says Restarting Citadel server to apply changes and gets to 96% and never moves.  Not sure what to do.



[#] Thu Aug 09 2018 23:21:54 EDT from IGnatius T Foobar @ Uncensored

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You might try just starting up Citadel server manually and logging in.

[#] Fri Aug 10 2018 16:04:54 EDT from maxzilla @ Uncensored

Subject: Re: Urgent free space problem

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Really, guys?

 

Fri Aug 03 2018 04:58:58 EDT from maxzilla @ Uncensored Subject: Urgent free space problem

Hi guys,
We use the Citadel in our company.
There are ~50 users on the server, the mail traffic is quite heavy because of large messages with attachments.
The size of Citadel partition is 180Gb, and we are running out of space on this partition.
We started cleaning process when there were about 8Gb of free space (4-5 weeks ago).
I am pretty sure a lot of space should be free at the moment, we have deleted all unused accounts and cleaned all other account. In fact, there wee lots of Sent item folders with >15000 messages and now all of them have been cleaned.
The empty space is still decreasing, the process is quite stable. Now we have less than 3Gb left.
We have added all the available server free space to Citadel LVM partition, so no more options to get free space are left.
And I am pretty sure there has to be a lot of free space in the internal Citadel database.
I am pretty sure that real life process is not as it described in FAQ section Why doesn't deleting messages free up disk space: "When messages or other data are removed from the store, that spaceis made available for other data".

We run Centos 6 and the last Citadel v.8.24 from the repository.


Please, advise.

Thanks!



 



[#] Fri Aug 10 2018 16:21:55 EDT from ingo @ Uncensored

Subject: Re: [Citadel Support]

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Did you succeed? I am trying something similar and my new server crashes while importing the data via sendcommand MIGR import...



[#] Fri Aug 10 2018 16:22:49 EDT from ingo @ Uncensored

Subject: Re: [Citadel Support]

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Did you succeed? I am trying something similar and my new server crashes while importing the data via sendcommand MIGR import...

 



[#] Fri Aug 10 2018 17:03:48 EDT from "s3cr3to" <s3cr3to@uncensored.citadel.org> to Citadel_Support <room_Citadel_Support@uncensored.citadel.org>

Subject: Re: Urgent free space problem

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Citadel (that version) doesn't free space of deleted mails. It marks the
mail as deleted then re-use that space when is needed.

I got the same issue some months ago. How I mitigate this problem:

I need to give aide level access to each user account.
As that user, using webcit I open it's mail room.
Go to Advanced "https (server) /do_template?template=display_main_menu"
Then "Advanced room commands"
- "Edit or delete this room"
- "Message expire policy"
There are two:
"Message expire policy for this room. Mail"
"Message expire policy for this floor. My Folders"
Check the documentation for this options.
**Don't forget to rollback the AIDE permission on the users accounts.**

- - - - -
It's sad but this issues is with this old versions.

I recall that IG was working in an auto-shrink for the database for the
new versions. I don't know is this is available now in the current version.

In 2017.Apr.25 the space used was:
71847571456 Apr 25 11:53 /var/lib/citadel/data/cdb.08

In 2017.May.18
71847571456 May 18 11:19 /var/lib/citadel/data/cdb.08

And today:
71847571456 Aug 10 14:40 /var/lib/citadel/data/cdb.08

See? the space is not growing; is reusing the space of deleted old mails.


Regards.

On 08/10/2018 02:04 PM, maxzilla wrote:
Really, guys?

Fri Aug 03 2018 04:58:58 EDT from maxzilla @ Uncensored Subject:
Urgent free space problem

Hi guys,
We use the Citadel in our company.
There are ~50 users on the server, the mail traffic is quite heavy
because of large messages with attachments.
The size of Citadel partition is 180Gb, and we are running out of
space on this partition.
We started cleaning process when there were about 8Gb of free space
(4-5 weeks ago).
I am pretty sure a lot of space should be free at the moment, we
have deleted all unused accounts and cleaned all other account. In
fact, there wee lots of Sent item folders with >15000 messages and
now all of them have been cleaned.
The empty space is still decreasing, the process is quite stable.
Now we have less than 3Gb left.
We have added all the available server free space to Citadel LVM
partition, so no more options to get free space are left.
And I am pretty sure there has to be a lot of free space in the
internal Citadel database.
I am pretty sure that real life process is not as it described in
FAQ section Why doesn't deleting messages free up disk space: "When
messages or other data are removed from the store, that spaceis made
available for other data".

We run Centos 6 and the last Citadel v.8.24 from the repository.


Please, advise.

Thanks!

[#] Fri Aug 10 2018 17:48:03 EDT from warbaby @ Uncensored

Subject: Re: Urgent free space problem

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I started a reply to this a few days ago, but it sounded mean.  Still don't know any other way to say it. Take in spirit given, to try and help you.

First thing is, get some more drive into that box. If you have a company of 50, someone should have the ching for an SSD, a node, or whatever your need.  2nd thing is, why would you not believe the FAQ? You should. Like any other dangerous spinning impliment you should respect BDB, if for no other reason than that you don't fully understand it.  3rd, bring up a redundant box, and do a fresh ez-install, so you can pull messages over IMAP as a precaution. That's an entry-level admin responsibility, particularly in a time of uncertainty. 

You can be the Wizard, or the guy who trashed the mail.  Treat the situation wholistically.  Your role is to maintain working mail service, not so much to discern inner workings of mysterious data store. That autopsy can be done later. So.. Create backup system, add drive space, locate your testicles, reduce the message size, restart. Announce new policies. Backup system is backup. Keep the emails flowing.  Tell them they can send pictures of the pool party through gmail. When you eventually understand the huge piles of meaningless crap they send to each other, you'll fully understand the wisdom of this. 

Good luck. 

PS.  My experience is that cranking up Maximum Message Length to ridiculous sizes tends to cause instability on all mail servers.  Nobody wants to hear this, but sysadmin has to have enough balls to enforce a policy one in a while, lest you find yourself a slave to the unrealistic expectations and unrestrained passions of the Barbarian hordes.  This is not unique to Citadel. 

 

Fri Aug 10 2018 04:04:54 PM EDT from maxzilla @ Uncensored Subject: Re: Urgent free space problem

Really, guys?

 

Fri Aug 03 2018 04:58:58 EDT from maxzilla @ Uncensored Subject: Urgent free space problem

Hi guys,
We use the Citadel in our company.
There are ~50 users on the server, the mail traffic is quite heavy because of large messages with attachments.
The size of Citadel partition is 180Gb, and we are running out of space on this partition.
We started cleaning process when there were about 8Gb of free space (4-5 weeks ago).
I am pretty sure a lot of space should be free at the moment, we have deleted all unused accounts and cleaned all other account. In fact, there wee lots of Sent item folders with >15000 messages and now all of them have been cleaned.
The empty space is still decreasing, the process is quite stable. Now we have less than 3Gb left.
We have added all the available server free space to Citadel LVM partition, so no more options to get free space are left.
And I am pretty sure there has to be a lot of free space in the internal Citadel database.
I am pretty sure that real life process is not as it described in FAQ section Why doesn't deleting messages free up disk space: "When messages or other data are removed from the store, that spaceis made available for other data".

We run Centos 6 and the last Citadel v.8.24 from the repository.


Please, advise.

Thanks!



 



 



[#] Fri Aug 10 2018 18:18:54 EDT from warbaby @ Uncensored

Subject: How to Crash An Email Server With A Single Email

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5 of the popular mail parsers for Node are susceptible to Denial of Service attacks by sending one email with 1,000 empty file attachments via event loop.

https://snyk.io/blog/how-to-crash-an-email-server-with-a-single-email/

The author has some good advice:

Along the way, I learned that some policy decisions might be better made in the email parser, rather than in the email server, and vice-versa. This included policy decisions such as rejecting obviously malicious, corrupted or truncated Base64, Quoted-Printable or character encodings, rejecting duplicates of critical headers, limiting the number of multiparts, and limiting backtracking due to false positive multipart boundaries.

Earlier this year, I got in touch with Jamie Davis, who wrote an excellent guide to not blocking the Node.js event loop. Jamie was actually doing research on event loop attacks and I suggested that some email parsers out there might be vulnerable to a multipart attack. I was surprised to see the hypothesis confirmed in every Node.js email parser I tested.

Anybody want to get together and do some citadel testing along these lines?  There might be some cases which affect us. 

 

 



[#] Sun Aug 12 2018 14:51:27 EDT from IGnatius T Foobar @ Uncensored

Subject: Re: Urgent free space problem

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I hate to be the bearer of bad news here, but there's very little that the Citadel team can do to support the version that was packaged with your operating system.  We've been known to provide same-day bug fixes if you are using our build, but unfortunately 8.24 is years old.  As was mentioned, we've done a lot of work in the area of database maintenance and storage management, but we don't have a way of getting that work to benefit you if you have such an old version.



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