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[#] Fri Sep 12 2014 13:09:32 EDT from friday @ Uncensored

Subject: Disable outside SMTP Relay?

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I recently got through as disastrous ASSP proxy server install. It was a train wreck, and too buggy for use. But, one thing I did appreciate about ASSP was the ability to disable any attempts to relay mail from an outside source. 

But, I had to disable ASSP.

So as of now, when port 25 is forwarded from our public IP to our internal NAT'd Citadel box, any outside source could potentially guess a user account and password, and spam the world, causing the IP to be RBL'd.

Is there anyway to disable this by limiting the ability to relay mail to the internet from only internal subnets?



[#] Sat Sep 13 2014 07:44:41 EDT from samuel @ Uncensored

Subject: 503 errors

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Good Day

I work at a transport company and we have recently installed a new mail server with citadel software, the system works fine however, the 503 service unavailable error keeps giving us down time every few days.

all services have been checked on the centos terminal and are running but for some reason we still cannot access our email or the online user interface which when not available does not allow our emails to work

any assistance will be much appreciated.

Kind regards

Samuel



[#] Sat Sep 13 2014 10:58:59 EDT from botcrusher @ Uncensored

Subject: citadel on RPI

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[#] Sat Sep 13 2014 11:02:41 EDT from botcrusher @ Uncensored

Subject: citadel on RPI

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For some reason, after installing citadel it worked quite well for some time, then for no apparent reason, vanished!

it quite literally vanished, i am the only user, and in this case nobody had access to the pi's login. The strange thing is that when i try launching citadel i get this error:

Attaching to server...

Can't connect: no such file or directory

 

 



[#] Sun Sep 14 2014 07:17:27 EDT from dothebart @ Uncensored

Subject: Re: Disable outside SMTP Relay?

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Fri Sep 12 2014 13:09:32 EDT from friday @ Uncensored Subject: Disable outside SMTP Relay?

I recently got through as disastrous ASSP proxy server install. It was a train wreck, and too buggy for use. But, one thing I did appreciate about ASSP was the ability to disable any attempts to relay mail from an outside source. 

But, I had to disable ASSP.

So as of now, when port 25 is forwarded from our public IP to our internal NAT'd Citadel box, any outside source could potentially guess a user account and password, and spam the world, causing the IP to be RBL'd.

Is there anyway to disable this by limiting the ability to relay mail to the internet from only internal subnets?

nope, its not possible to disable relaying.

You have to lean on your users not to loose their passwords. However, in reality, this happenes, and counter measures have to be taken: http://citadel.org/doku.php/faq:spam:recover

I guess a read-only mail system wouldn't be that usefull?

You can however rate limit the outbound SMTP queue, or use iptables to limit the number of connection attempts to your server.



[#] Sun Sep 14 2014 07:19:10 EDT from dothebart @ Uncensored

Subject: Re: 503 errors

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Sat Sep 13 2014 07:44:41 EDT from samuel @ Uncensored Subject: 503 errors

Good Day

I work at a transport company and we have recently installed a new mail server with citadel software, the system works fine however, the 503 service unavailable error keeps giving us down time every few days.

all services have been checked on the centos terminal and are running but for some reason we still cannot access our email or the online user interface which when not available does not allow our emails to work

any assistance will be much appreciated.

Kind regards

Samuel

the information you provide is a little sparse. Whats the additional error message of the 503? which version do you use? Do you use apache/nginx proxy? ...



[#] Sun Sep 14 2014 07:20:51 EDT from dothebart @ Uncensored

Subject: Re: citadel on RPI

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Sat Sep 13 2014 11:02:41 EDT from botcrusher @ Uncensored Subject: citadel on RPI

For some reason, after installing citadel it worked quite well for some time, then for no apparent reason, vanished!

it quite literally vanished, i am the only user, and in this case nobody had access to the pi's login. The strange thing is that when i try launching citadel i get this error:

Attaching to server...

Can't connect: no such file or directory

Did you check all services are running? (and not restarting)

http://citadel.org/doku.php/faq:mastering_your_os:ps#checking.what.services.are.running

and are providing the services

http://citadel.org/doku.php/faq:mastering_your_os:net#networking

and no error information can be found in the syslog?



[#] Mon Sep 15 2014 21:49:30 EDT from botcrusher @ Uncensored

Subject: Re: citadel on RPI

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Thanks for your help, i figured out that it was a system fault and not a problem with citadel, turns out the system DID delete it. oddly enough whAtever storage daemon didnt throw any errors or warnings untill the whole system started blowing up, a quick run of df -h revealed the sd card was 100% capped.

 



[#] Tue Sep 16 2014 16:58:16 EDT from dieselweasel @ Uncensored

Subject: citserver segfaults on libcrypto

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Good afternoon,

I installed Citadel and Webcit on a Centos 6.5 (x86_64) server using the RPMs from download.opensuse.org:

c-ares.x86_64                      1.10.0-69.1           @home_homueller_citadel
citadel.x86_64                     8.24-6.2              @home_homueller_citadel
citadel-client.x86_64              8.24-1.2              @home_homueller_citadel
citadel-common.x86_64              8.24-6.2              @home_homueller_citadel
citadel-doc.x86_64                 8.24-6.2              @home_homueller_citadel
citadel-lang.x86_64                8.24-6.2              @home_homueller_citadel
citadel-mta.x86_64                 8.24-6.2              @home_homueller_citadel
citadel-selinux.x86_64             1.0.77-7.2            @home_homueller_citadel
libcitadel4.x86_64                 8.24-1.2              @home_homueller_citadel
libical.x86_64                     0.4

When I start citadel (/etc/init.d/citadel start), I get the following in /var/log/messages:

Sep 16 16:48:07 sip kernel: citserver[13651]: segfault at 7fba79a64d78 ip 00007fb9282548cc sp 00007fffb5d12570 error 4 in libcrypto.so.1.0.1e[7fb9281b0000+1b5000]

I get ten of the above messages every five seconds. The memory address (as well as ip and sp fields) remain static for all messages although the PID (obviously) changes.

/usr/lib64/libcrypto.so.1.0.1e is owned by openssl-1.0.1e-16.el6_5.15.x86_64.


Any suggestions?



[#] Tue Sep 16 2014 17:25:42 EDT from dieselweasel @ Uncensored

Subject: Re: citserver segfaults on libcrypto

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Please disregard my previous message. I restarted the server and, magically, Citadel started working.



[#] Thu Sep 18 2014 00:19:36 EDT from ax25 @ Uncensored

Subject: Re: citserver segfaults on libcrypto

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dieselweasel, I don't know about the patch level of OpenSSL on your distro, but you might want to check it against the Heartbleed bug.  Might just be scanning from bots to the calls that are added to the OpenSSL 1.0.1 series though if you are patched.



[#] Thu Sep 18 2014 01:24:07 EDT from "Buzz" <buzz@ksys.co.nz> to citadel_support@citadel.org

Subject: Unsubscribe

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Hi All,

When one of these messages gets through I will have found the email I
subscribed with!

--
Cheers

Buzz

[#] Thu Sep 18 2014 02:31:46 EDT from "Buzz" <buzz@ksys.co.nz> to citadel_support@citadel.org

Subject: Unsubscribe

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Hi All,

I've found the email I subscribed with but when I try to unsubscribe I
get the following error.

------------
Confirmation failed.
This could mean one of two things:

You waited too long to confirm your subscribe/unsubscribe request
(the confirmation link is only valid for three days) You have
already successfully confirmed your subscribe/unsubscribe request
and are attempting to do it again.

The error returned by the server was: You need to specify the email
address you'd like to subscribe with. You need to specify the email
address you'd like to subscribe with. Invalid token.
------------

I definitely clicked the unsubscribe button?

Any help would be much appreciated.

--
Cheers

Buzz

[#] Thu Sep 18 2014 06:40:42 EDT from ThomasGermany @ Uncensored

Subject: Thunderbird Support

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Hi All,

 

I've trouble with the SyncKolab Addin in Thunderbird. Where I can download a Citadel supported Version?

 

Thanks



[#] Thu Sep 18 2014 18:58:45 EDT from citbruger @ Uncensored

Subject: Mail isnt delivered correctly so a single account.

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Ive recently setup a Citadel server and the following issue bugs me to no end.

 

One of the accounts never recieve the mail. It simply never arrives in the inbox, but i can see it in the Aides room. The issue is only with that one account, and its a rather important account. I have tried removing the account and creating it again, but that doesnt fix the issue.

 

Bonus question: Is there any way to mark a mail in the inbox, in webcit? Its really annoying that i cant see if someone else has already responded to a mail recieved without having to look throught the 'Sent' room.

//A citadel user



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