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13
votes
6answers
35k views

How do I permanently delete e-mail messages in the sendmail queue and keep them from coming back?

I have a pretty annoying problem here. I have been testing an application and have created some test e-mails to bogus e-mail addresses (not to mention that my server isn't really set up to send e-...
8
votes
2answers
2k views

postfix takes 60-90ms to queue email — normal?

We're seeing some (maybe?) strange delays when submitting individual emails to our local Postfix server. To help diagnose the issue, I wrote a little test program which sends 5 emails: get smtp 1ms ...
6
votes
1answer
3k views

Postfix: change sender in queued messages

Following a complete re-installation we got a problem with the configuration: the sender address was wrong and some recipients (mail servers) rejected them. So there is a bunch of mails stuck in the ...
6
votes
2answers
912 views

Change sender address of queued mails

Is it possible to change the sender address of mails that are already queued? The relay-server we've used so far has silently changed its policy a few days ago and rejects now mails without a ...
5
votes
2answers
7k views

How do I see what's in the run queue on GNU/Linux?

The load on my server is very high, even though there doesn't seem to be much disk activity and the CPU is idle. Using sar, I can see the run queue is getting full, but is there any way to see what's ...
4
votes
3answers
42k views

Display number of messages in linux mail queue

Is there a simple command to find out the current number of messages in the linux mail queue? mailq dumps out a verbose list, but it's not convenient for a quick overview. I'm using Ubuntu and ...
4
votes
1answer
1k views

Dynamic number of supervisord controlled processes

I am using supervisord's [program:x] to keep my background queue runners up and running. The amount of numprocs is set to a static number, but now I am looking for a solution to dynamically adjust the ...
4
votes
3answers
1k views

Printer queues with Samba and CUPS

I've successfully got Samba and CUPS working together to give nice, consistent printing interfaces with just the Postscript drivers to Windows clients both IA32 and x64 of any variants since 95. The ...
4
votes
2answers
4k views

Mac OS X Server (10.5) mail trapped in queue

We've got mail accumulating in our Leopard Server's queue and not sure exactly why. This machine has required little maintenance over the years so I'm hoping someone here spot the obvious and save us ...
3
votes
2answers
232 views

Can read/write jobs be put in a queue?

I share a server with HAL. The server has 32 GB of memory. I rarely use more than 1 GB of memory, and when I do, it is for a few minutes at a time, and I don't mind sending such jobs to the back of ...
3
votes
3answers
545 views

Queue emails under linux

I have a slow distant mail relay server and a web application I'm using locks up when sending e-mails to that distant mail server, until the e-mail is sent. After the e-mail is sent the page comes ...
3
votes
2answers
980 views

Exim - Force Messages to domain before retry time

We have exim running in queue-only fashion. The reason is that we are a bulk sender (a legitimate, double opt-in) and have experienced Yahoo and Hotmail throttling. The best practices state that once ...
3
votes
3answers
417 views

exim and clear invalid e-mails

I have an exim queue now of over 1000 e-mails and I want to run the queue and delete all the e-mails that are going to invalid e-mails(ones that no longer exist)
3
votes
1answer
202 views

multithreading a single threaded application worker [closed]

I have a server which I want to dedicate for converting doc files to pdf via LibreOffice. The server has 6 cores and LibreOffice is single threaded. This means that generating a single pdf uses 16.666%...
3
votes
3answers
2k views

sendmail queue - display number of messages per domain

Is there a simple command to find out the current number of messages per domain in the linux sendmail queue? mailq dumps out a verbose list, but it's not convenient for a quick overview. I'm using ...
3
votes
1answer
1k views

How to check pf's queues?

I use FreeBSD and working with pf+ALTQ now. Something doesn't work and I need a tool to view what requests are marked and moved to a queue "queue_name" Need something like pftop but showing queues. ...
3
votes
5answers
3k views

Improving Exim performance: mounting message queue on RAMdisk

I have an email server that's part of a messaging application, and it's going to see a lot of throughput. I want to mount Exim's message queue on a RAMdisk to maximize performance; throughput speed ...
3
votes
3answers
3k views

Let Mac users unclog print queues

In one of the schools I work at, I was told that users are having trouble printing -- that the print queues keep getting jammed, and they are prompted for a password that they don't have to unjam them....
3
votes
2answers
321 views

Change reception in postfix queue

After running postqueue -p i sometimes finds misspelled email-adresses, is there a way to change the reception adress (envelop to adress) of the messages, so it can be delivered. exemple: postqueue -...
3
votes
1answer
3k views

Exchange 2003 SP2 Mail Delivery Problem - Sending server sends QUIT command to EHLO response

So one of the Exchange 2003 servers I admin seems to be having trouble with sending e-mail to another domain's email server. As per my SMTP log (in NCSA format) this is what I have 66.195.209.243 - ...
3
votes
1answer
731 views

Sending faxes from Asterisk (email to fax) — is any feedback possible?

I am about to make some email to fax gateway --- some python program will make Asterisk call files and put them into some queue (files or db based). Then another program should take "call tasks" from ...
3
votes
2answers
347 views

How to lock concurrent access to a shared webservice from multiple webservers?

Our production environment consists in n Apache web servers accessed by browsers via a frontal load balancer. Very typical. 99% of our HTTP requests are gracefully handled by this parallelized ...
3
votes
1answer
515 views

Are Apache queue requests processed FIFO or prioritized?

As titled. Is there an strategy/implementation in Apache to prioritize request's importance to process one request before another. Example is in the case of PNG-interlace the most significant data (...
3
votes
1answer
514 views

Installing resque on amazon ec2 instances

My problem is to process images through ec2 instances. Based this similar question: Separate server for Resque workers And in this article: http://highscalability.com/blog/2009/11/6/product-resque-...
2
votes
3answers
7k views

sendmail - make sure an email is sent

I'm trying to send emails through sendmail, and preventing them from being queued. I only want the emails to be sent, which has been an extreme problem so far. in both sendmail.cf, and submit.cf, I ...
2
votes
2answers
3k views

PHP-ZMQ pecl installation error - Unable to find libzmq installation

I've run below shell command as per ZeroMQ website to install PHP-ZMQ: sudo pear channel-discover pear.zero.mq sudo pecl install pear.zero.mq/zmq-beta Below are traces for the installation: ...
2
votes
5answers
1k views

Is there a way I can queue long running tasks?

Is there a way I can do the following in a unix terminal: Start a long running process Add another long running process to start when the previous is done Repeat step 2 until I have queued the ...
2
votes
1answer
70 views

Is it possible to maintain the queue while restarting HAProxy

I am using HAProxy to load balance app servers. Each app server has a max connections limit, once that limit is exceeded the queue is exceeded. When that happens, I will be adding another app server ...
2
votes
1answer
4k views

How to delete contents of sendmail's deferred queue?

I'm testing a moderately high volume (eventually possibly up to 100,000 or so) of emails in a script I'm writing. I'm generating a list of emails that will end up in one of my accounts and having the ...
2
votes
1answer
204 views

Should one avoid using Hudson CI as a queue service?

I realize Hudson was not designed as a queue service per se - and that there are other projects like RabbitMQ, ZeroMQ, etc. We were recently in a situation where we needed to set up a windows ...
2
votes
1answer
1k views

How to monitor current output/receive queue length in Linux

I want to check the capacity and performance of my network. Besides checking the txkB/s and rxkB/s via Sar, I'd also like to see the average queue length of the network interface(so that the average ...
2
votes
2answers
8k views

Emails stuck in the SMTP queue on Windows 2008 R2 Web Edition

I think this is a subject that has been covered quite extensively, but I can't seem to the resolve the issues under my own steam. I have a website that needs to be able to send emails out; it's ...
2
votes
0answers
196 views

Azure ASP.NET website http requests queued

We have a website deployed on Azure that has dreadful performance. When load increases, response times increase to whole minutes! CPU load is not even high, somewhere in the 40% region (we run one ...
1
vote
3answers
246 views

How to loop queue checking code? [duplicate]

Possible Duplicate: Disconnect modem when postfix queue empty This script code checks to see if the postfix mail queue empty and if true it disconnects my modem. #!/bin/sh postqueue -p|grep ...
1
vote
3answers
1k views

Configure Postfix to send out mail just in CERTAIN hours?

I have some monitoring scripts on a couple of servers checking stuff that's not too critical (but that I indeed would like to receive email alerts for). I use Postfix and my SMTP-to-SMS email ...
1
vote
2answers
741 views

Monitoring tool with custom views / templates?

i am currently looking for an open-source monitoring solution like zabbix and icinga. While these both seem to be very powerful for monitoring generic states of hard- and software, I am missing ...
1
vote
2answers
539 views

Task spooler for computing server on Debian

Recently our university has bought an computing server with one multi-core Xeon and 4 powerfull GeForce videocard for lessons on discipline "High perfomance computing with CUDA". There is Debian ...
1
vote
2answers
7k views

How to Delete All Message From Queue In Exchange Server 2007

I want to delete all message from Queue. How can I do it with Exchange Server 2007
1
vote
1answer
798 views

Beanstalkd and multiple workers on a tube

If I have two workers listening on a single tube and a job comes through, will both workers attempt to handle the same job, or will it get claimed only by one?
1
vote
1answer
52 views

How to Queue Samba Transactions on Serverside

We have a 20TB samba server with 2x10TB RAID5 à 2TB harddisks. There are a lot of connections which result in much seek overhead. My idea is to queue the clients without them recognizing it. Is there ...
1
vote
1answer
121 views

Disconnect modem when postfix queue empty

in /etc/ppp/ip-up.d/script I have the following that runs fetchmail when the ppp0 interface is up (connected) and when it finish the modem ends internet conection automatically. #!/bin/sh /usr/bin/...
1
vote
1answer
519 views

Exim queue in WHM

I've got the centos server with WHM. The mail server is exim. I need exim put all messages in queue and not sending directly.Though I've added the queue_only option to exim configuration and the ...
1
vote
2answers
918 views

SMTP Remote Queue on Exchange 2003

We are currently using Windows Server 2003 R2 with Exchange 2003 and SolarWinds Exchange Monitor to monitor. A couple of weeks ago the SMTP remote queue began to build up and it got to about 150 ...
1
vote
1answer
45 views

How to flush postfix queue one mail at a time?

Sometimes, mails stay stuck in my postfix queue, the distant server saying "Too many connections, slow down". I already configured my postfix for specific domains to send only one mail per second, but ...
1
vote
1answer
196 views

Postfix timeout for unsent emails

I am using Postfix for send about 20 000 – 30 000 e-mail per day. For messages not ended into a spam, the script is running with 1 second break every email send. As a result, e-mail are sending about ...
1
vote
1answer
306 views

what user is sending emails from mailq

I have a debian box with postfix on it. I checked the mailq and I do not understand how to read the mailq. I need to know witch user is used to send this emails. here is a example 0F87797868C ...
1
vote
1answer
427 views

Why does qdel comman return 'Unknown Job Id'

OS Version: CentOS release 4.6 (Final) Kernel \r on an \m 2.6.9-100.ELsmp Problem When I run qdel i get the following error: qdel: Unknown Job Id 20432.scyld.localdomain Information Output of ...
1
vote
1answer
4k views

Requests getting queued in IIS worker process at ExecuteRequestHandler

For some reason, the requests in one of our app pools started "hanging up" today. The CPU usage is low, as is memory consumption, but requests in a worker are coming in and just getting queued; they ...
1
vote
1answer
649 views

Plesk Qmail Queue Exploding From Possible Webform Attack

The qmail queue on my server (running Plesk on CentOS 5.2) balloons up to 120,000+ messages in the queue overnight. The messages in the queue are obviously spam. I've cleared them out over the last ...
1
vote
1answer
648 views

Alternative options for scheduled job queue?

I really like using queues for interprocess communication. It's great to be able to spin up a ton of workers and be guaranteed that a job in the queue is only run once, is treated fairly, can be ...