Clustered Email Server Software
Jun 8, 2009
We have a client looking for a mail server solution for their business. Around ~500 members of staff will be using this so uptime is essential, we are looking to have 2 servers mirroring each other so if one goes down their emails will simply be routed onto the other server and continue to operate without issue.
We are looking for a clustered solution for redundancy similar to www.zimbra.com 's Standard edition ( the open source edition does not include clustering ) however the pricing ( $9k usd ) is simply out of the clients budget at this time.
So I am asking if people have any suggestions for software for dedicated mail servers, in this situation!
Also a plus would be to have anti virus / SPAM included as they obviously receive a large amount of spam emails.
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Jul 22, 2008
I have a wordpress based website that is currently doing about 500,000 uniques a month and 5gb a day. It uses the wordpress module for php caching but it is still pretty damn heavy on the CPU. I am looking for a VPS, preferably one in a clustered type of environment so that I don't need to see them reboot the (single) physical server, or be down for physical maintenance of any kind.
Also this website looks like it will continue to grow pretty fast, so a place that can handle this kind of growth would be a must.
Linux is definately preferred.
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Aug 17, 2007
Anybody know's about any offerings of clustered VPS in Germany.
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Jun 26, 2007
I've narrowed down my VPS search to one of these providers.
SolarVPS.
JupiterLX
832MB Total SLM RAM
30gb storage
600gb bandwidth
with cpanel
100Mbit uplink
fully managed
not sure about the datacentre, the site says Euroconnex
around £45 per month
or
Clustered.net
512 RAM
512 swap RAM
Server has 2 x quad-core Intel Xeon "Clovertown" @ 2.33Ghz (18.64Ghz)
Max of 15 servers per node
25gb storage
300gb bandwidth
with cpanel
1Gbps uplink
1 hour replacement
fully managed
Looks like the datacentre is redbus interhouse in UK
£55 per month
Which is going to be the better quality provider? Clustered offer a 100% uptime guarantee, and for every hour a server is down they refund you a days hosting.
Clustered seem to offer tape backups? solarvps offer off-site hosting, which might come in handy as well.
I searched the forum for clustered.net, but didnt find many reviews.
From my first impressions I think clustered seem to be my best bet, although I will get less in the way of storage and bandwidth, I feel there website makes me think I'll get a better quality service. There website talks about how redundant everything is. Hopefully people can backup what I'm thinking.
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Apr 9, 2008
Does anyone know of a good reliable and redundant method of organizing clustered storage? I know that IBM has GPFS - has anyone actually used it? Do they charge a crap load for it?
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Jul 9, 2008
I've switched my VPS to clustered.net about 6 months ago and I thought I'll just share a few of my experiences.
Clustered.net has their servers in London (somewhere in Canary Wharf, I've forgotten the name of the datacentre). I signed up for their smallest VPS available with 512MB/25GB/450GB.
Connections speeds to the UK and Europe are great, as far as I can see US is no problem either. I'm in the UK and most of the traffic is from the UK, so I wanted a UK provider.
I've got a 20M cable line at home and the server is always able to give me the full 20meg. I'd say perfect. I don't have any really heavy traffic sites, though. I've got a few sites on there, but mostly wanted my own spam solution and personal server for data-transfer etc.
Not only the speed is pretty good, the server has been up and running pretty much all the time, almost no downtimes at all. Really solid performance and reliability. Once we had a outage time of a few minutes and I got money off my next bill.
They offer cpanel, which I really wanted to have. We all know that Cpanel offers great versatility, and ASSP as spam solution is fantastic. Cpanel cost a fiver more per month.
Their website is a bit wonky, which shouldn't put you off - the support is awesome! I've done stuff like locking myself out of the VPS (set the firewall a bit too tight) and I've always had a helpful reply to my query within 10 minutes. Really helpful and quick.
Their support is truly outstanding.
I've been with Interhost before and it's a difference like day and night. At Interhost I got virtually no support at all, clustered.net always helpful, always quick. Interhost was unstable and poor speeds - clustered.net is the opposite.
Their services are not exactly at the lower end of the cost scale, but if you're looking for a reliable, fast VPS in Europe with excellent service, I can only recommend them.
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Apr 10, 2008
I currently am in the process of building an online shop, so far we have about 200,000 products in the database to when running a search its taking up to 10 seconds to display the results which is not good enough. The setup at the moment is a cpanel vps with zipservers, 512mb ram.
Given this i have started looking for new hosting for the site which is built however it cannot be launched until we have a good server. We already have 150,000 adwrods adverts set up on pause ready to go so the project is needing to move fast.
Currently pondering between
1) a 1gb dedicated server with cpanel
2) Netfirms clustered hosting which they claim is more powerful than dedicated
at the moment i am tempted to go for the Netfirms hosting as i have used them for other projects in the past and seem to get on ok with them. They claim that when i make a database it will be servered by several sql servers which will make things much faster than if i went for the dedicated set up.
Does anyone have experience of clustered hosting and is it better than dedciated?
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Dec 18, 2008
we are based in UK, I found Innohosting and Clustered.net to be good.
Can you please recommend which company is best?
if you know any better VPS companies than these and are UK based please recommend.
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Mar 10, 2007
I am evaluating XEN hosts and was wondering if anyone has had experience with Clustered.net (UK). Their name makes it hard to search (too many false matches) and the only posts I found were in the benchmark section.
I have selected a VZ host after days of research but may need XEN for some of my other clients. (I personally prefer XEN technology for my type of applications). I am familier with serveraxis and many others (some of which cannot provide me with more than 1 or 2 IPs per server or are sold out).
clustered.net sounds interesting. They have fall-back to static pages, support backup DNS (via bind so not limited to web pages) and SMPT (the only provider I know of that does). I am NOT a panel kind of guy so not offering Cpanel or Plex is fine.
This has been gruling research but well worth it. Thanks to all who post and answer on this forum, this site is a treasure trove of knowledge!
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Jul 24, 2008
I have 5 domains, searching for clustered shared windows hosting. I prefer UK based, but If you know good provider in US, I want to learn it.
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Dec 14, 2008
Who are the best at load balancing and clustering to deliver 100% uptime for a website?
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May 8, 2008
I just purchased a site yesterday that uses runs Drupal and uses 75 gigs bandwidth a month and gets around 3800 visitors a day.
Was looking for something that could handle this type of traffic without spending a fortune on a dedicated.
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Jun 27, 2008
Thew initial setup process for my future web hosting company will require a redundant dns setup. I was thinking of having two servers from softlayer (one on the east coast and the other on the west coast) being used as the dns servers (ns1.mydomain.com & ns2.mydomain.com). With one other server for handling the shared accounts, of course adding more servers (as needed) to the cluster in the future. Just wondering if this is the best possible way to setup for having only two name servers (with redundancy) for all shared account servers with my fleet. As well, I was thinking a dns only server wouldn't need to be that powerful, but I would like to be prepared in advance if you feel a strong server would be needed to handle the loads for all the shared accounts on many servers.
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May 5, 2008
Do you know anyone who offers clustered hosting in Europe?
I need to be in Europe due to speed
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May 14, 2008
Every time I see more companies choose to offer clustered hosting, but what is really necessary to be able to offer this service?
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Jul 7, 2008
this is something that struck me, that is what are the benefits (pros and con) of being hosting on a clustered webhosting / clustered vpses
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Oct 31, 2007
I needed more control over my aplications (needed SSH, eaccelerator) and I upgraded from their Solar Cluster 3 to their 512RAM emeraldVPS.
Let me tell you the setup that these guys have rules in every way.
The only thing that runs on the VPS is Apache so you might have an idea that this may perform better in some aplications than most 1GB RAM dedicated servers that also run MySQL, mail and other services ...at a fraction of the price. MySQL, mail and dns runs on their clusters. I installed zend and eaccelerator, and now my busy Romanian blog (with wpcache) runs in 82MB RAM
I'm going to move 90% of my sites there, I have lots of space and resources to grow.
According to cpuinfo I also benefit from 8 of these:
CPU model name:
Dual Core AMD Opteron(tm) Processor 865
The support guys have always been fair and square to me, they answered fast to all my questions (mostly less than 10 minutes), moved my sites on the VPS and told me what's good and what's not so good about their VPS (yes, they told me without asking them about the minor "inconvenience" I may have with the VPS before I bought it). I feel they are the kind of guys you would love going to parties and drinking beer with.
Random screenshot of htop: [url]
I don't know what more to say
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May 9, 2008
Anyone know some cheap offshore clustered shared host?
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Oct 5, 2008
I'm currently connecting one of my servers to an iSCSI SAN but would like to hook up another server to that target as well. However, this doesn't work with NTFS filesystem and I couldn't really find any windows solutions for that. Does anyone have experience with this?
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Jun 15, 2007
Has anyone any experience of using Load Balanced Clustered VPS servers?
If so who would you rate the best provider?
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Jun 24, 2008
I currently have a domain on Server 1 (Linux, Apache, Ubuntu, Matrix control panel).
This server does not have any spam filter, so I have moved all the email accounts to Server 2 (Linux, Apache, Fedora Core, Plesk) which does have a brilliant spam filter; and have changed the DNS record for mail.domain.com to the IP address for Server 2.
Emails are being successfully received on Server 2.
On Server 1, when an email is sent through SMTP to an address at that domain, it does not send it to Server 2, it gets delivered to the hosting account for the domain on Server 1. So what I am guessing is happening is that Server 1 detects the domain has an account on the server, and instead of looking up the DNS info for that domain, just assumes it is on Server 1.
What I need to do, is force Server 1 to send email for that domain to Server 2. Is this possible, and if so, how can it be achieved? If more info about the server is required for a solution please let me know and I'll provide what I can.
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Oct 16, 2009
Has anyone experienced down time with a clustered/loadbalanced host?
And if so how much.
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Apr 24, 2008
hosting solution for 3 very high traffic blogs, all running on WordPress.
I have been researching dedicated and I came across a couple posts where people recommended Clustered hosting over Dedicated for better handling high traffic DB driven sites in the times of Digg or Slashdot frontpage exposure.
I would like your feedback, and your opinion on what to choose from the following options:
1. Netfirms Enterprise III (Clustered)
2. ResellerZoom Failover (Clustered)
3. LiquidWeb Dedicated Webmaster Series (Dedi w/ 2GB DDR and a 3Ghz Intel Hyperthreaded)
4. HiVelocity Dedicated (Dedi w/ Quad-Core Xeon 2.4GHz and 2GB DDR)
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Jun 30, 2007
I have a client who has his own hosting account, and wants to leave his e-mail on his own hosting account, but his website on my hosting account.
On his own hosting he has created a sub domain called shop, and pointed its A record to the IP address of my server. On my server I've setup his domain name, and created the sub domain shop. That all works fine.
The problem I have is that the site under the shop domain needs to send an e-mail to sales@hisdomain.com. Now my server thinks the main domain is setup on my server, so it sends the e-mail to itself.
I'm justing wondering how I can get the server to point the mails back to his hosting?
A previous host I've used said they had to add the domain as a remote domain on the server, then they had to make some changes to /etc/localdomains because I was getting errors trying to send mails to the address.
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Nov 7, 2009
This is the scenario, domain.com are setup on server1, however server2 also has the same profile of domain.com as we use ns3 and ns4 using domain.com. This works fine with the nameserver setup on server2.
However I encounter problems as the emails from server2 won't reach server1 as there are duplicate profile on server2.
My question is how do I setup the DNS in cpanel/whm from server2 so the emails from server2 will reach server1?
Server1 (www.domain.com)
ns1.domain.com
ns2.domain.com
Server2
ns3.domain.com
ns4.domain.com
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Mar 2, 2009
i want to shift my domain to one server to another server and the problem is how can i shift my email accounts data to one server to another server.
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Oct 24, 2007
I have a collocated server which I'd like to do some upgrades to. I'm having it shipped back to me so that I can do the upgrades myself. However, since I use this as my primary email server, I need help setting something up so I have no email downtime.
I have a cheap shared hosting account with DreamHost so one idea I have is to point the domain to their servers and handle things through there for a bit. This seems like the "brute force" way to do it though since I have to wait for DNS propagation and what not. Another idea was to use a service like DynDNS' MailHop BackupMX which does storage and forwarding. However, this service is kind of expensive ($30) considering I'm only going to use it a week or so.
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Aug 12, 2008
i been getting these errors do not what they mean sinse i have never seen them
Error connecting to IMAP server: localhost.
111 : Connection refused
Sending' reported error (0x800CCC0F) : 'The connection to the server was interrupted. If this problem continues, contact your server administrator or Internet service provider (ISP).'
i tried restarting my server and restarting my httpd but nothing still budges still the same any way of fixing this?
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Jul 8, 2009
I'm a web and software developer that owns and maintains two servers. Mainly I use these servers for hosting my clients (I dont sell hosting as a stand alone) and for development. I offered email as a service to my clients, but after 3 years of doing it, its just too much. I want to get rid of serving email. Certainly there is someone who has had a simular expierence and found a solution?
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Oct 23, 2008
i have a rolling IP and on a bt business connection and have a dyn host name from dyndns.org (xtcservers.mine.nu.
i have an email server setup up an is now receiving email wit no problems but sending is a different matter.
i am using Dovecot IMAP server an Sendmail and roundcube webmail client ad i say receiving mail is fine from both outlook an webmail client. but when trying to send mail it shows this error (reason: (554 Mail from 86.159.133.235 refused, see RBL server zen.dnsbl)i think this is because this is from a dynamic ip.
is there anything i can do when i first set the server up i could sent mail to but just stopped after my server crashed an had to install a fresh copy of linux.
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