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  • Email sent from server with rDNS & SPF being blocked by Hotmail

    - by Canadaka
    I have been unable to send email to users on hotmail or other Microsoft email servers for some time. Its been a major headache trying to find out why and how to fix the issue. The emails being sent that are blocked from my domain canadaka.net. I use Google Aps to host my regular email serverice for my @canadaka.net email addresses. I can sent email from my desktop or gmail to a hotmail without any problem. But any email sent from my server on behalf of canadaka.net is blocked, not even arriving in the junk email. The IP that the emails are being sent from is the same IP that my site is hosted on: 66.199.162.177 This IP is new to me since August 2010, I had a different IP for the previous 3-4 years. This IP is not on any credible spam lists http://www.anti-abuse.org/multi-rbl-check-results/?host=66.199.162.177 The one list spamcannibal.org my IP is listed on seems to be out of my control, says "no reverse DNS, MX host should have rDNS - RFC1912 2.1". But since I use Google for my email hosting, I don't have control over setting up RDNS for all the MX records. I do have Reverse DNS setup for my IP though, it resolves to "mail.canadaka.net". I have signed up for SNDS and was approved. My ip says "All of the specified IPs have normal status." Sender Score: 100 https://www.senderscore.org/lookup.php?lookup=66.199.162.177&ipLookup.x=55&ipLookup.y=14 My Mcafee threat level seems fine I have a TXT SPF record setup, I am currently using xname.org as my DNS, and they don't have a field for SPF, but their FAQ says to add the SPF info as a TXT entry. v=spf1 a include:_spf.google.com ~all Some "SPF checking" tools ive used detect that my domain has a valid SPF, but others don't. Like Microsoft's SPF wizard, i think this is because its specifically looking for an SPF record and not in the TXT. "No SPF Record Found. A and MX Records Available". From my home I can run "nslookup -type=TXT canadaka.net" and it returns: Server: google-public-dns-a.google.com Address: 8.8.8.8 Non-authoritative answer: canadaka.net text = "v=spf1 a include:_spf.google.com ~all" One strange thing I found is i'm unable to ping hotmail.com or msn.com or do a "telnet mail.hotmail.com 25". I am able to ping gmail.com and many other domains I tried. I tried changing my DNS servers to Google's Public DNS and did a ipconfig /flushdns but that had no effect. I am however able to connect with telnet to mx1.hotmail.com This is what the email headers look like when I send to a Google email server and I receive the email with no troubles. You can see that SPF is passing. Delivered-To: [email protected] Received: by 10.146.168.12 with SMTP id q12cs91243yae; Sun, 27 Feb 2011 18:01:49 -0800 (PST) Received: by 10.43.48.7 with SMTP id uu7mr4292541icb.68.1298858509242; Sun, 27 Feb 2011 18:01:49 -0800 (PST) Return-Path: Received: from canadaka.net ([66.199.162.177]) by mx.google.com with ESMTP id uh9si8493137icb.127.2011.02.27.18.01.45; Sun, 27 Feb 2011 18:01:48 -0800 (PST) Received-SPF: pass (google.com: domain of [email protected] designates 66.199.162.177 as permitted sender) client-ip=66.199.162.177; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates 66.199.162.177 as permitted sender) [email protected] Message-Id: <4d6b020c.c92c2b0a.4603.6378SMTPIN_ADDED@mx.google.com Received: from coruscant ([127.0.0.1]:12907) by canadaka.net with [XMail 1.27 ESMTP Server] id for from ; Sun, 27 Feb 2011 18:01:29 -0800 Date: Sun, 27 Feb 2011 18:01:29 -0800 Subject: Test To: [email protected] From: XXXX Reply-To: [email protected] X-Mailer: PHP/5.2.13 I can send to gmail and other email services fine. I don't know what i'm doing wrong! UPDATE 1 I have been removed from hotmails IP block and am now able to send emails to hotmail, but they are all going directly to the JUNK folder. UPDATE 2 I used Telnet to send a test message to port25.com, seems my SPF is not being detected. Result: neutral (SPF-Result: None) canadaka.net. SPF (no records) canadaka.net. TXT (no records) I do have a TXT record, its been there for years, I did change it a week ago. Other sites that allow you to check your SPF detect it, but some others like Microsofts Wizard doesn't. This iw what my SPF record in my xname.org DNS file looks like: canadaka.net. 86400 IN TXT "v=spf1 a include:_spf.google.com ~all" I did have a nameserver as my 4th option that doens't have the TXT records since it doens't support it. So I removed it from the list and instead added wtfdns.com as my 4th adn 5th nameservers, which does support TXT.

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  • How can I get my dynamic site search results content indexed by Google?

    - by Kris
    I have a site that is simply a search box to search a cloud-hosted database of .tiff images, and then all of my content can only be accessed by entering a search term. So for example, you're on the home page www.example.com and you type in "search" to the box and hit submit. Then it takes you to www.example.com/?q=search, which is a page of all my .tiff images with "search" in the description. How can I get a page like www.example.com/?q=search indexed, WITHOUT making a humungous list of search terms that people might type in?? I know about mod_rewrite, but it seems like for that you need to know ahead of time which URLs you'll need to convert, which I don't. All of these pages will be dynamically user-generated by typing into the search field. Please help!

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  • Can python and php work together?

    - by user71741
    I am having a mobile app created for ios. The developers built the app in php. The app requires an algorithm so I found another programmer to develop it. The algorithm programmer built the algorithm in python. The developers refuse to finish the app because they say it won't work with python, while the programmer insist it will. The programmer says put the algorithm in its on server and connect then over http. Will this work and I'd so how risky is it to future problems?

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  • Blogger still visible after moving to WP; Google Indexing issues after moving from Blogger to WP

    - by Erin
    I recently migrated from Blogger to Wordpress and am having two major transition issues that are really hurting. Despite literally hours of searching and experimenting, I cannot resolve the following: ISSUE ONE: I fixed all of my old blogger links to 301 redirect successfully to my WP links (the 2 structures are different and I realized too late), but my old blogger blog is still sometimes visible! (the 2 designs are completely different) I had 31 hits on my blogger site just yesterday. I have updated my privacy settings to hide my blogger blog from search engines and not be visible on blogger. I also removed my custom domain from blogger already as well. HELP! Not sure how to stop this. ISSUE two: Despite submitting a new site map and reindexing my pages for my WP blog, I am not visible in search engines, although I was very visible previously. In fact, some of my OLD links are showing up. Am I being penalized?? Any thoughts on how to fix. THANK YOU! Erin my site: www.thelawstudentswife.com

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  • Google, Facebook et Yahoo testeront l'IPv6 en grandeur nature lors de la Journée Mondiale du protocole en juin 2011

    Mise à jour du 12.11.2010 par Katleen La transition de l'IPv4 à l'IPv6 pourrait rendre l'Internet instable pour une période pouvant atteindre plusieurs années, d'après Vint Cerf Vint Cerf, un pionnier en informatique que certains considèrent comme le père du Net s'est exprimé cette semaine concernant le changement de protocole des URLs. Ce changement, nécéssaire pour que le web puisse poursuivre son expansion, l'inquiète. Il en veut également aux entreprises, qui "ne voient pas assez loin" et qui n'ont pas prévu la migration plus tôt. En effet, il va falloir passer de l'IPv4 (qui sera vraisemblablement saturé en janvier 2012) à l'IPv6. Et la transition p...

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  • How do I route my SMTP outgoing mail through gmail (Google Mail) ?

    - by Paula DiTallo
    Here is the quick answer:  Go into your client e software (e.g. Outlook, Thunderbird, etc.) for the account you are working on (usually default). Set the SMTP server to smtp.gmail.com Set the username as your gmail account user name (e.g. [email protected]). Gmail will need the username and password you use for that account, so if your default is set to some other email, be sure to set the username and password to that value, or click on the checkbox for username/password. Check TLS as the secure connection.   If you are looking for more in-depth info, check out Gina Trapani 's block on the topic.

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  • How can I improve my error checking and handling?

    - by Google
    Lately I have been struggling to understand what the right amount of checking is and what the proper methods are. I have a few questions regarding this: What is the proper way to check for errors (bad input, bad states, etc)? Is it better to explicitly check for errors, or use functions like asserts which can be optimized out of your final code? I feel like explicitly checking clutters a program with a lot of extra code which shouldn't be executed in most situations anyway-- and not to mention most errors end up with an abort/exit failure. Why clutter a function with explicit checks just to abort? I have looked for asserts versus explicit checking of errors and found little to truly explain when to do either. Most say 'use asserts to check for logic errors and use explicit checks to check for other failures.' This doesn't seem to get us very far though. Would we say this is feasible: Malloc returning null, check explictly API user inserting odd input for functions, use asserts Would this make me any better at error checking? What else can I do? I really want to improve and write better, 'professional' code.

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  • How do I get the source code from a Google Code game project?

    - by BluFire
    I'm trying to get the Hedgewars source code. When I went to the downloads tab, it doesn't specify which is the actual game. I tried downloading it using the SVN Checkout on Tortoise, but it seems like it doesn't work on the browse section of Source. (Hgproject_filesAndroid_buildSDL-android-project) I then proceeded to the wiki but I got stuck at step two because I don't know anything about Mercurial. Some other things I don't know from the wiki is "FreePascal" "Android NDK" and "Tar" files. They are new to me so I am really confused. So my question is, how can I download the source code from Hedge Wars for Android without having to browse the source code inside the source tab?

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  • Why using the word "mechanism" in CS?

    - by Nick Rosencrantz
    I'm not sure about the usage of the word "mechanism" when in fact most of the time what is meant is an algorithm. For instance there's talk about Java's "thread-scheduling mechanism" - why not call it an algorithm and why borrow a term from mechanics where relations sometimes are the opposites than of computer science? I'm aware that an algorithm is considered a "mechanical solution" but is this really the case in fact when a lot of algorithm don't have mechanical representations for instance a file-sharing network that gets quicker and faster as the usage grows, that would be the reverse of a mechanical structure that would go slower when usage grows.

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  • Is chess-like AI really inapplicable in turn-based strategy games?

    - by Joh
    Obviously, trying to apply the min-max algorithm on the complete tree of moves works only for small games (I apologize to all chess enthusiasts, by "small" I do not mean "simplistic"). For typical turn-based strategy games where the board is often wider than 100 tiles and all pieces in a side can move simultaneously, the min-max algorithm is inapplicable. I was wondering if a partial min-max algorithm which limits itself to N board configurations at each depth couldn't be good enough? Using a genetic algorithm, it might be possible to find a number of board configurations that are good wrt to the evaluation function. Hopefully, these configurations might also be good wrt to long-term goals. I would be surprised if this hasn't been thought of before and tried. Has it? How does it work?

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  • Converting a bounded knapsack problem to 0/1 knapsack problem

    - by Ants
    I ran across a problem where goal was to use dynamic programming (instead of other approaches). There is a distance to be spanned, and a set of cables of different lengths. What is the minimum number of cables needed to span the distance exactly? To me this looked like a knapsack problem, but since there could be multiples of a particular length, it was a bounded knapsack problem, rather than a 0/1 knapsack problem. (Treat the value of each item to be its weight.) Taking the naive approach (and not caring about the expansion of the search space), the method I used to convert the bounded knapsack problem into a 0/1 knapsack problem, was simply break up the multiples into singles and apply the well-known dynamic programming algorithm. Unfortunately, this leads to sub-optimal results. For example, given cables: 1 x 10ft, 1 x 7ft, 1 x 6ft, 5 x 3ft, 6 x 2ft, 7 x 1ft If the target span is 13ft, the DP algorithm picks 7+6 to span the distance. A greedy algorithm would have picked 10+3, but it's a tie for minimum number of cables. The problem arises, when trying to span 15ft. The DP algorithm ended up picking 6+3+3+3 to get 4 cables, while the greedy algorithm correctly picks 10+3+2 for only 3 cables. Anyway, doing some light scanning of converting bounded to 0/1, it seems like the well-known approach to convert multiple items to { p, 2p, 4p ... }. My question is how does this conversion work if p+2p+4p does not add up to the number of multiple items. For example: I have 5 3ft cables. I can't very well add { 3, 2x3, 4x3 } because 3+2x3+4x3 5x3. Should I add { 3, 4x3 } instead? [I'm currently trying to grok the "Oregon Trail Knapsack Problem" paper, but it currently looks like the approach used there is not dynamic programming.]

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  • Deliver email to Gmail AND Office 365?

    - by gbegley
    We moved our Office app hosting from Google Apps to Office 365. Many of us miss Google Apps, especially its superior search functionality. The pressure to use Office 365 has disappeared; many (but not all) of us would like to go back to Google Apps. Is it possible to configure our domain's mail delivery so that messages are delivered to both Google Apps's Gmail and Office 365, allowing users to choose which platform they prefer? If so, what are the options? Google Apps documentation specifies the ability to deliver messages to a secondary mail server using routing configuration. Currently our MX records are point to Office 365. If I change the MX records to point to Google Apps Mails servers, is the "Office 365 MX record address" the address I would want to use for a Google Apps Routing Target?

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  • Blogger GData NullPointerException on every second try on Android

    - by Vinay
    I am experiencing a strange phenomenon with Blogger GData API 2.0 on Android. I am using the BloggerService to retrieve blogs. First time it works fine. However EVERY SECOND TRY I get a NullPointerException: Caused by: java.lang.NullPointerException at com.google.gdata.wireformats.AltRegistry.lookupType(AltRegistry.java:190) at com.google.gdata.client.Service.parseResponseData(Service.java:1860) at com.google.gdata.client.Service.getFeed(Service.java:1054) at com.google.gdata.client.Service.getFeed(Service.java:916) at com.google.gdata.client.GoogleService.getFeed(GoogleService.java:631) at com.google.gdata.client.Service.getFeed(Service.java:935)

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  • Why do 410 pages show as errors in Google Webmaster Tools?

    - by ElHaix
    To remove links from our site, we return a 410 code on on the links we want removed, and shows The page you requested was removed.. In Webmaster Tools, I see all the 410 pages in Crawl Errors / Not Found. I'm worried that because they appear in Crawl Errors that they could be negatively affecting SEO rankings. Is that the case, and if so, should I change the return codes from 410 to something else?

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  • Design pattern: static function call with input/output containers?

    - by Pavlo Dyban
    I work for a company in software research department. We use algorithms from our real software and wrap them so that we can use them for prototyping. Every time an algorithm interface changes, we need to adapt our wrappers respectively. Recently all algorithms have been refactored in such a manner that instead of accepting many different inputs and returning outputs via referenced parameters, they now accept one input data container and one output data container (the latter is passed by reference). Algorithm interface is limited to a static function call like that: class MyAlgorithm{ static bool calculate(MyAlgorithmInput input, MyAlgorithmOutput &output); } This is actually a very powerful design, though I have never seen it in a C++ programming environment before. Changes in the number of parameters and their data types are now encapsulated and they don't change the algorithm callback. In the latest algorithm which I have developed I used the same scheme. Now I want to know if this is a popular design pattern and what it is called.

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  • What is the feature that imports URL information into facebook and google+?

    - by Michael
    What I am trying to do. I want to be able to import heading, short description and an image into my website, just using a link. I am using Joomla but can switch to any CMS, or try to build an extension myself. The problem is I dont know where to look for example code, or what to look for. To me it doesnt seem like too difficult a process. Also, the code must be out there, with a little tweaking I can probably use someone elses, but I dont even know what to search for.

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  • Ubuntu 12.04 wont install on Macbook

    - by user92325
    I've installed Ubuntu on my Macbook before but something went wrong with the updater. So, I had to backup my HDD and format it and reinstall OS X Lion. But here's the thing: Ever since I re-installed my OS I've been trying to get Ubuntu back on the HDD. I partitioned it to 40 GB and set the file system to Ext4. I also recently created a swap partition too and it seems to install correctly. After i installed rEFIt it just has this cute little penguin sitting there. I rebooted and tried to go back to Ubuntu and the penguin still shows up but this time a black screen pops up and it asks me to insert a bootable device and press any key. I'm not sure why this is happening. This is probably the 5th time I've tried to install it. I've even used a different Ubuntu ISO but it still won't boot after the installation.

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  • How to purge old links in google from an old domain.

    - by jbcurtin
    Hey all, Recently, I uploaded a new site to an existing domain and I'd like to figure out how I can forward all links to said domain to a new domain. I'm looking for a wordpress solution if possible, but in the end I I seem myself writing a small header script that I will paste into ever directory's index file saying header('Location:http://xxx.yyy.zzz') Is there a cleaner way to do this without having to resort to managing the whole file structure? No, I do not have access to the apache runtime. Unfortunately it is a shared-host server. Thanks in advance.

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  • Marching squares: Finding multiple contours within one source field?

    - by TravisG
    Principally, this is a follow-up-question to a problem from a few weeks ago, even though this is about the algorithm in general without application to my actual problem. The algorithm basically searches through all lines in the picture, starting from the top left of it, until it finds a pixel that is a border. In pseudo-C++: int start = 0; for(int i=0; i<amount_of_pixels; ++i) { if(pixels[i] == border) { start = i; break; } } When it finds one, it starts the marching squares algorithm and finds the contour to whatever object the pixel belongs to. Let's say I have something like this: Where everything except the color white is a border. And have found the contour points of the first blob: For the general algorithm it's over. It found a contour and has done its job. How can I move on to the other two blobs to find their contours as well?

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  • How to make Google SketchUp work with Intel graphics in Wine?

    - by haltman
    Hi, everybody! My pc has an Intel DH57JG mainboard, I've installed wine, launching sketchup I receive error that I don't have OpenGL installed, is there a way to configure/install it? On my previous pc with an NVidia video card installing official NVidia driver resolved it. Is there is a way to do the same with the Intel card? Running locate libgl on a terminal returns no results. thanks in advance.

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