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• Mobile Intel® GMA 4500MHD boost

  - by Andy Smith

  My machine has a Mobile Intel® GMA 4500MHD integrated graphics chipset. The machine is currently running 64 bit windows 7 premium with 3GB of ram (1x1gb and 1x2gb). I note that the Mobile Intel® GMA 4500MHD shares the physical memory to process the graphics. now, the total available graphics memory can be up to 1,340 MB with a 32-bit operating system and 3 GB system memory or 1,759 MB with a 64-bit operating system and 4 GB system memory. I am considering investing in a 4GB stick to replace the 1gb stick bringing the total up to 6gb, mainly for an increase in graphics processing ability. Can anyone let me know what sort of power (if any over the 4gb) I could expect by upgrading to 6GB?

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• Issues Installing PHP Memcache module

  - by smith

  I am trying to install memcache on my VPS. When I type $ pecl install memcache I get this error checking whether the C compiler works... configure: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. See `config.log' for more details. ERROR: `/root/tmp/pear/memcache/configure --enable-memcache-session=yes' failed Any ideas what the issue could be?

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• vmware - ACE, Workstation - how to manage remoe clients??

  - by tom smith

  Hi. Exploring Vmware products/services and have a few questions. As I understand VM, you can use VMWare Workstation to create a VM of a target machine/box/OS. Let's call this VM, "foo". If I have 100 client PCs in my dept, and I want to install the VM (foo) on each client, and also manage the remote VM instances of (foo). How can I accompish this? Let's assume that the client machines are running Windows7, and have the vmplayer app installed on the box. I'm looking to do the following kinds of actions regarding the remote client machines: -Update the foo VM/image with new updated copies -Make sure that every VM "foo" has the same user, but a unique passwd -Monitor the traffic/status of each client VM "foo" oin each client -Start/Stop each client VN "foo" from the master console -Etc... Can this be accomplished? How would I do it, what services/products would I need? I've tried toalking to a few of the pre-sales guys in VMWare, and got nowhere, other than telling me to email my questions!! Looking at google shed more insight, but I still have questions. So, if you have detailed VMWare understanding, pointers to consultants, or resellers who can help, all pointers are greatly appreciated. Thanks -tom

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• Migrating XenServer VMs from Intel to AMD servers

  - by John Smith

  I need to replace my XenServer 6.1 resource pool hardware. I currently run Intel hardware and I have to move to AMD hardware (corporate politics and budget stuff, blah blah blah). I have downtime available so I can use cold migration - live migration is not required. I will also have the new hardware (AMD) alongside the old hardware (Intel). The XenServer docs say there may be problems exporting from one arch and importing to another "may not work" - http://docs.vmd.citrix.com/XenServer/6.1.0/1.0/en_gb/guest.html#importing_vms - but mentions nothing about simply turning off the VM on one arch and then powering it back on new arch. VMs are a mix of OS - some Windows, some Linux, multiple versions. Is this something that can be done with no problems, or are there problems I need to be aware of?

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• Move the Start Menu in Windows 7 Taskbar

  - by Aaron Smith

  Is there anyway to move the Start Menu button on the taskbar in Windows 7? I've decided to try moving the taskbar to the left so I have more vertical screen real estate, but I would like the start menu to be at the bottom of the bar. Is there anyway to move it?

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• fedora13 mouse change -I Beam

  - by tom smith

  hi. sorry to have to ask such a basic question!! i've got fedora 13, trying to figure out how to change the "I Beam" pointer. earlier, i had a "thin" "I Beam" pointer in my gedit/term windows. now, I have a "thicker/shadow" kind of "I Beam" pointer when i move the mouse over the gedit/term windows. obviously, i've made some change, but i can't figure out what I changed, or where this attribute is set. i've checked google/irc, as well as looked through the "system-preferences-appearance" with no luck.. i saw the customize part of the gui, and could resize the "arrow" but nothing for the "I-Beam". this isn't critical, but it is anoying!! any thoughts/pointers would be helpful. thanks

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• fedora13 mouse change -I Beam

  - by tom smith

  hi. sorry to have to ask such a basic question!! i've got fedora 13, trying to figure out how to change the "I Beam" pointer. earlier, i had a "thin" "I Beam" pointer in my gedit/term windows. now, I have a "thicker/shadow" kind of "I Beam" pointer when i move the mouse over the gedit/term windows. obviously, i've made some change, but i can't figure out what I changed, or where this attribute is set. i've checked google/irc, as well as looked through the "system-preferences-appearance" with no luck.. i saw the customize part of the gui, and could resize the "arrow" but nothing for the "I-Beam". this isn't critical, but it is anoying!! any thoughts/pointers would be helpful. thanks

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• Server 2008 Active Directory DNS Entries Deleted. Dcdiag unable to contact local AD controller.

  - by Jim Smith

  I've never seen anything like this. At a potential customer site, I noticed that the PC's were all unable to locate the domain controller and netlogon was failing. I fixed the DNS entries on the client PC's so the AD server was DNS server and tried to rejoin the domain. The PC was unable to locate the domain controller. On the server, I checked the DNS settings and while there is the high level AD folder, every single entry related to Active Directory appears to have been completely deleted. There are no backups from what I can tell and this has been happening for 6 months at least. Does anyone have any recommendations for repairing this? Thanks.

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• windows service "soft link"

  - by fred smith

  I would like to be able to have a nice management tool to allow the rollout of different versions of a windows service over time. for example I would like to deploy my software (windows service) in version numbered folders, e.g. c:\wss\v1.0 c:\wss\v1.1 etc however I dont want to have to reinstall the windows service each time but rather would like to be able to easily point the windows service manager to the new folder. Are there tools to get this done? NB: I have used Windows Junctions before (from sysinternals) however I am wondering if there is a nice GUI tool to do this.

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• Using standard e-mail address as user system wide name

  - by PeterMmm

  I'm going to re-build a very old Lotus Notes infrastructure coming from 4.x towards 8.5. I'm trying to setup Domino so that all user names should be of a single string or the internet e-mail address. For example the user "John Smith/ACME" should be in the whole system jsmith or [email protected] . I still get jsmith/ACME all around. Where it is most annoying is in the NAB when creating a new message. Is there a way to get all addresses in uniform standard e-mail adress format at least in mail ? The mixup in the destination like "John Smith/ACME, [email protected]" confused the users.

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• Are Plesk server backups useful?

  - by Michael T. Smith

  I'm working for a startup now, and I'm the programmer. Because of our small team size, I'm also handling the server management for now (until we get a dedicated server administrator.) I've never used Plesk before, and the server we're using (a Media Temple Dedicated Virtual server) had it installed when I got here. One of my first jobs was to set up backups: Plesk was already running it's nightly server-wide backups. I created a small script to dump the web app, it's DBs and any assets, tar them, store them, and then copy them to another small server we have (to backup the backups.) But, we're constantly running into hard drive space issues because of the Plesk backups. And I'm wondering, are they useful? If I have the web app and all of it's assets, I could easily enough get another server up and running. Do we need to keep running Plesk's backups? Thoughts?

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• How do I set permissions structure for multiple users editing multiple sites in /var/www on Ubuntu 9

  - by Michael T. Smith

  I'm setting up an Ubuntu server that will have 3 or 4 VirtualHosts that I want users to be able to work in (add new files, edit old files, etc.). I currently plan on storing the sites in /var/www but wouldn't be opposed to moving it. I know how to add new users, I know how to add new groups. I'm unsure of the best way to handle users being only able to edit some sites. I read over the answers here in this question, so I was thinking I could setup a group and add users to that group, but then they'd all have essentially the same permissions. Am I just going to have to assign each user specific permissions? Or is there a better way of handling this? Added: I should also note, that I'll have each user login in via SSH/sFTP. The users would never need to do anything else on the server.

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• Linux Development System Layout.Configuration

  - by tom smith

  Hi. Looking to create a linux based development/test system. I'm the only one using it. Will be using a variant of rhel/centos/fedora, with a 640G drive, and an external 250G as a kind of backup. Looking for thoughts/comments on the layout/config of the drive for the install/creation process. My primary goal is to be able to "backup"/restore the work product so i'd like OS to be separate from everything else. Thoughts/commnents/ponters appreciated. Thanks

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• Motherboard Is A MCP61PM-HM Rev 1.OB

  - by Dennis Smith

  I have a compaq presario pc SR5110NX The Processor is AMD Athlon 64 Proceessor3800+ It has 512 mb of Ram and a 40gb Hard Drive Here is my problem I Have 2 Sata One Is Black and the other Is White I have 2 red little cables and they have the letters and numbers on them It Is HP P/N:5188-2897 0720 on the side of the cable.Here is the Mother Board MCP61PM-HM Rev 1.0B I need to now where do the two Sata Connectors Connect Too Please Help Thank You So Much.Ps I am running windows XP Pro

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• Sendmail - preventing aliased users from receiving multiple copies of the same email

  - by MikeQ

  Is there any way to prevent a user from receiving multiple copies of the same email if an email is sent to both an alias for the user as well as the user themselves? For example, suppose bob.smith is a included in the alias list for developers (@company.com) If I send the email to both the user and an alias for the user: To: [email protected], [email protected] ... is there any way to prevent user Bob from receiving the same email two times? EDIT: I've observed that if Bob is a member of two different alias groups, and I send an email just to those two groups (not the user directly), sendmail correctly expands the groups and removes the duplicate. The behavior I want to fix occurs when you send directly to the user AND a group they belong to.

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• Secure openVPN using IPTABLES

  - by bob franklin smith harriet

  Hey, I setup an openVPN server and it works ok. The next step is to secure it, I opted to use IPTABLES to only allow certain connections through but so far it is not working. I want to enable access to the network behind my openVPN server, and allow other services (web access), when iptables is disabaled or set to allow all this works fine, when using my following rules it does not. also note, I already configured openVPN itself to do what i want and it works fine, its only failing when iptables is started. Any help to tell me why this isnt working will appreciated here. These are the lines that I added in accordance with openVPN's recommendations, unfortunately testing these commands shows that they are requiered, they seem incredibly insecure though, any way to get around using them? # Allow TUN interface connections to OpenVPN server -A INPUT -i tun+ -j ACCEPT #allow TUN interface connections to be forwarded through other interfaces -A FORWARD -i tun+ -j ACCEPT # Allow TAP interface connections to OpenVPN server -A INPUT -i tap+ -j ACCEPT # Allow TAP interface connections to be forwarded through other interfaces -A FORWARD -i tap+ -j ACCEPT These are the new chains and commands i added to restrict access as much as possible unfortunately with these enabled, all that happens is the openVPN connection establishes fine, and then there is no access to the rest of the network behind the openVPN server note I am configuring the main iptables file and I am paranoid so all ports and ip addresses are altered, and -N etc appears before this so ignore that they dont appear. and i added some explanations of what i 'intended' these rules to do, so you dont waste time figuring out where i went wrong : 4 #accepts the vpn over port 1192 -A INPUT -p udp -m udp --dport 1192 -j ACCEPT -A INPUT -j INPUT-FIREWALL -A OUTPUT -j ACCEPT #packets that are to be forwarded from 10.10.1.0 network (all open vpn clients) to the internal network (192.168.5.0) jump to [sic]foward-firewall chain -A FORWARD -s 10.10.1.0/24 -d 192.168.5.0/24 -j FOWARD-FIREWALL #same as above, except for a different internal network -A FORWARD -s 10.10.1.0/24 -d 10.100.5.0/24 -j FOWARD-FIREWALL # reject any not from either of those two ranges -A FORWARD -j REJECT -A INPUT-FIREWALL -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT-FIREWALL -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT-FIREWALL -j REJECT -A FOWARD-FIREWALL -m state --state RELATED,ESTABLISHED -j ACCEPT #80 443 and 53 are accepted -A FOWARD-FIREWALL -m tcp -p tcp --dport 80 -j ACCEPT -A FOWARD-FIREWALL -m tcp -p tcp --dport 443 -j ACCEPT #192.168.5.150 = openVPN sever -A FOWARD-FIREWALL -m tcp -p tcp -d 192.168.5.150 --dport 53 -j ACCEPT -A FOWARD-FIREWALL -m udp -p udp -d 192.168.5.150 --dport 53 -j ACCEPT -A FOWARD-FIREWALL -j REJECT COMMIT now I wait :D

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• What does frequency mean with regard to Broadband?

  - by Martin Smith

  I read that Broadband is distinguished from Baseband by using a greater range of frequencies in the electromagnetic spectrum and that ADSL divides the 1.1 MHz spectrum into 256 independent channels. However I don't really have a good mental image of what that means. Can anyone assist?

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• Bad idea to keep htop running?

  - by Michael T. Smith

  I'm now monitoring multiple servers (3) and in the coming weeks that'll increase (towards 5 or 6). I've been keeping three terminal windows open running htop via SSH and I'm now wondering if there are any downsides to having a connection constantly open to production servers?

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• Nagios3 check_httpname gives 503 response; from command line I get a 200 response

  - by Michael T. Smith

  We're using Nagios to monitor our site (and a bunch of other stuff.) For some odd reason, when I test out the command /usr/lib/nagios/plugins/check_http -H 'domainname.com' the response that comes back is HTTP/1.1 200 OK but when I set up the service to do it: # Check that domain is running define service { hostgroup_name hostgroup service_description host site check_command check_httpname!domainname.com use generic-service notification_interval 1; set > 0 if you want to be renotified } the response that comes back is HTTP/1.1 503 Service Unavailable. Does anyone know why this would be happening?

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• How do you add more space to a Fedora (LVM) partition?

  - by Trevor Boyd Smith

  In a nutshell, i have a VM that ran out of space. I increased the size of the VM's harddrive to be 4 times bigger but the OS partition is still only using 1x the space. I need to change the LVM partition to take up the extra 4x space but I don't know how to extend the LVM partition. (NOTE: To make the screenshots given below I had to boot from a live-cd for gnome-partition-manager (aka gparted). Very unfortunately gparted is only able to "detect LVM" and can't do any LVM operations.) Here is what "gparted" shows. Please notice that the "resize" option is not available: The Problem: I can't find good directions<1 on how to grow the LVM partition via GUI or command-line! How do you grow a LVM partition that was created by the default Fedora install? If you are giving command line directions. Please explain what each line of commands does.

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• Xml Serialization and the [Obsolete] Attribute

  - by PSteele

  I learned something new today: Starting with .NET 3.5, the XmlSerializer no longer serializes properties that are marked with the Obsolete attribute.  I can’t say that I really agree with this.  Marking something Obsolete is supposed to be something for a developer to deal with in source code.  Once an object is serialized to XML, it becomes data.  I think using the Obsolete attribute as both a compiler flag as well as controlling XML serialization is a bad idea. In this post, I’ll show you how I ran into this and how I got around it. The Setup Let’s start with some make-believe code to demonstrate the issue.  We have a simple data class for storing some information.  We use XML serialization to read and write the data: public class MyData { public int Age { get; set; } public string FirstName { get; set; } public string LastName { get; set; } public List<String> Hobbies { get; set; }   public MyData() { this.Hobbies = new List<string>(); } } Now a few simple lines of code to serialize it to XML: static void Main(string[] args) { var data = new MyData {    FirstName = "Zachary", LastName = "Smith", Age = 50, Hobbies = {"Mischief", "Sabotage"}, }; var serializer = new XmlSerializer(typeof (MyData)); serializer.Serialize(Console.Out, data); Console.ReadKey(); } And this is what we see on the console: <?xml version="1.0" encoding="IBM437"?> <MyData xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Age>50</Age> <FirstName>Zachary</FirstName> <LastName>Smith</LastName> <Hobbies> <string>Mischief</string> <string>Sabotage</string> </Hobbies> </MyData>   The Change So we decided to track the hobbies as a list of strings.  As always, things change and we have more information we need to store per-hobby.  We create a custom “Hobby” object, add a List<Hobby> to our MyData class and we obsolete the old “Hobbies” list to let developers know they shouldn’t use it going forward: public class Hobby { public string Name { get; set; } public int Frequency { get; set; } public int TimesCaught { get; set; }   public override string ToString() { return this.Name; } } public class MyData { public int Age { get; set; } public string FirstName { get; set; } public string LastName { get; set; } [Obsolete("Use HobbyData collection instead.")] public List<String> Hobbies { get; set; } public List<Hobby> HobbyData { get; set; }   public MyData() { this.Hobbies = new List<string>(); this.HobbyData = new List<Hobby>(); } } Here’s the kicker: This serialization is done in another application.  The consumers of the XML will be older clients (clients that expect only a “Hobbies” collection) as well as newer clients (that support the new “HobbyData” collection).  This really shouldn’t be a problem – the obsolete attribute is metadata for .NET compilers.  Unfortunately, the XmlSerializer also looks at the compiler attribute to determine what items to serialize/deserialize.  Here’s an example of our problem: static void Main(string[] args) { var xml = @"<?xml version=""1.0"" encoding=""IBM437""?> <MyData xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema""> <Age>50</Age> <FirstName>Zachary</FirstName> <LastName>Smith</LastName> <Hobbies> <string>Mischief</string> <string>Sabotage</string> </Hobbies> </MyData>"; var serializer = new XmlSerializer(typeof(MyData)); var stream = new StringReader(xml); var data = (MyData) serializer.Deserialize(stream);   if( data.Hobbies.Count != 2) { throw new ApplicationException("Hobbies did not deserialize properly"); } } If you run the code above, you’ll hit the exception.  Even though the XML contains a “<Hobbies>” node, the obsolete attribute prevents the node from being processed.  This will break old clients that use the new library, but don’t yet access the HobbyData collection. The Fix This fix (in this case), isn’t too painful.  The XmlSerializer exposes events for times when it runs into items (Elements, Attributes, Nodes, etc…) it doesn’t know what to do with.  We can hook in to those events and check and see if we’re getting something that we want to support (like our “Hobbies” node). Here’s a way to read in the old XML data with full support of the new data structure (and keeping the Hobbies collection marked as obsolete): static void Main(string[] args) { var xml = @"<?xml version=""1.0"" encoding=""IBM437""?> <MyData xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema""> <Age>50</Age> <FirstName>Zachary</FirstName> <LastName>Smith</LastName> <Hobbies> <string>Mischief</string> <string>Sabotage</string> </Hobbies> </MyData>"; var serializer = new XmlSerializer(typeof(MyData)); serializer.UnknownElement += serializer_UnknownElement; var stream = new StringReader(xml); var data = (MyData)serializer.Deserialize(stream);   if (data.Hobbies.Count != 2) { throw new ApplicationException("Hobbies did not deserialize properly"); } }   static void serializer_UnknownElement(object sender, XmlElementEventArgs e) { if( e.Element.Name != "Hobbies") { return; }   var target = (MyData) e.ObjectBeingDeserialized; foreach(XmlElement hobby in e.Element.ChildNodes) { target.Hobbies.Add(hobby.InnerText); target.HobbyData.Add(new Hobby{Name = hobby.InnerText}); } } As you can see, we hook in to the “UnknownElement” event.  Once we determine it’s our “Hobbies” node, we deserialize it ourselves – as well as populating the new HobbyData collection.  In this case, we have a fairly simple solution to a small change in XML layout.  If you make more extensive changes, it would probably be easier to do some custom serialization to support older data. A sample project with all of this code is available from my repository on bitbucket. Technorati Tags: XmlSerializer,Obsolete,.NET

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• "Outlook must be online or connected to complete this action" windows XP, outlook 2007, connect to exchange using HTTP

  - by bob franklin smith harriet

  Hey, I can't connect to an exchange server using windows XP and outlook 2007, using the "connect anywhere over HTTP" process, it has been working until recently and the user reports no recent changes to his environment. The error is "Outlook must be online or connected to complete this action" It will prompt me for the username and password which I can enter, then it will give the errorm however this only happens when I delete the account and enter all details for the excahnge server again. The client computer that is unable to connect using outlook can connect to the HTTPS mail service and login send/receive fine. Nobody else has reported issues. making a test environment with a clean install of XP and outlook 2007 gives the same error, but using windows 7 and outlook 2007 connects perfectly fine everytime. I also removed all passwords using control keymgr.dll which didnt help. Any assistance or ideas would be appreciated, at this point nothing I've tried from technet or google works <_<

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• Group policy applied to AD OU attributes

  - by Eric Smith

  I'm not well-versed in AD, so would like to resolve a question I have with regards to AD information. I understand that it is possible to apply group policy to OU's, thereby restricting access. What I'd like to know is, is it possible to do the same with OU attributes. Some context would help. There's a requirement to store address information in AD (IMO, a natural fit), but for various reasons, although obviously things like name should be globally accessible, access restrictions are desired on the address. In this case, is it possible to apply security to the address portion of the OU attributes, or does each address have to be broken into a separate OU (a solution that feels smelly given that address doesn't have identity)?

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• Create Virtual Image of Laptop before Formatting

  - by Simon Mark Smith

  I have a 3 year old laptop running Windows XP that I used for business. Although I have not used the laptop in over a year, I now want to re-commission it with Windows 7 and a fresh install. Before I do the fresh install I want to create a Virtual Image of the laptop that I can keep and potentially run on my desktop machine should I ever need to access any of the old files/projects that it contains currently. I know that most people will say just copy the files over to your desktop, but my concern is the configuration of the laptop. I used to use it for development and it has older versions of Visual Studio, SQL Server, Active X controls etc, etc than I currently use so I really want to preserve the environment not just the files. So really I am asking what is the best tool-set/method to achieve this? I understand there are free VM tools available but I have never done this before and would appreciate any help.

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• Sending an Email from 2 Mail Servers

  - by Ted Smith

  We are currently attempting to move away from using a "local" mail(exchange) server to an cloud based offering for all our automated emails. The problem is that we send and receive thousands for emails a day and its uptime is quite critical so the business do not want to put all their eggs in one basket, so if we would like to use a cloud based offering(mailgun) they would like a backup if this goes down. So my question is: Would it be possible to set multpile A, TXT and CNAME records to multiple IP address so if one mail server goes down we can automatically start sending emails from the fallover(without them being blocked doing a reverse DNS lookup)? I know we will still need to adjust the MX record for incoming emails but that is acceptable to not receive emails for a short(1-2 hours) of time. Does this make sense?

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