Sender Policy Framework (SPF) ? How to use it to Fight Email Forgery
Spam is a real problem today. Forged email is a big part of the spam problem. Have you ever received a spam email from yourself? How many times have you received an email you know to be spam from someone only to find out it came from an invalid email address? When you try to block the email by choosing block sender, the spammer simply changes the email address to another variation and gets through the block. Until recently, there wasn’t much you could do about it. Now there is.
What is Sender Policy Framework (SPF)?
SPF makes it easy for a domain, whether it’s an ISP, a business, or a school to say that they only send mail from certain machines. If any other machine is claiming to send mail, they are lying. SPF aims to prevent spammers from ruining other people’s reputation. When your machine receives an email from another server that has implemented SPF, your machine can easily tell if the incoming email really comes from the server it says it belongs to. More information about SPF can be found at http://spf.pobox.com/
By implementing SPF in your favorite application or on your server, you can be sure that a spammer will never be able to impersonate you when spamming others. Most well known domains and email applications have already implemented SPF on their servers and products. Some examples of vendors that are already implementing SPF into their products include Sophos, Symantec, Declude Junkmail, Brightmail, IronPort, Ciphertrust, MailArmory, MailFrontier, Roaring Penguin Software, Communigate Pro, and others.
Ready to fight email forgery? Install applications that support SPF today and get protected from email forgery!
This article was written by Joe Duchesne, president of http://www.yowling.com/, a web hosting company that specializes in helping online business owners increase their website traffic. Copyright 2004 Yowling. Reprint Freely as long as you link back to my website from this resource box.
What to Look for in a Free Hosting Provider
The first thing that you must realize when looking for a free hosting provider is that nothing is truly “free”. There will be some sacrifices?
First of all, if you see free hosting that promises to be without ads or banners, then it’s not truly free.
For example, DotEasy.com, promises “Cost-free, Banner-free” hosting, but in reality what they are really saying is that IF you register a domain from them for $25/year (GoDaddy.com $8.95/year) or if you would like to transfer a domain for a $35 fee THEN and only then will they give you 100 MB of free hosting, that’s why they can offer $5 dollars for each referral to DotEasy.com’s “free” hosting. Great deal, right?
Tips on choosing a free hosting provider?
1) Always choose the provider that puts ads on your site over the one that claims not to. The companies that place ads on your site tend to be more stable and you always no your partnership with them, “I make site” + “They put ads” = Win-Win. But when you choose a host that claims not to put ads on your site you are giving him all kinds of freedoms to exploit you to make a quick dollar, like selling your e-mail address or shrinking your space to force you to upgrade to a paid package.
2) Always choose a free hosting provider that offers sub domains in the format of “http//yoursite.theirsite.com” instead of “http//www.theirsite.com/yousite”. Not only is this more professional but it also helps with getting returning visitors and Search Engine Optimization, which every site strides for.
3) Make sure that they can provide you with upgrades (both for sub domains and domains), because when the day comes that your sub domain site gets a million hits and starts making sufficient amounts of money you will not want to be changing your sites URL and loosing all of your returning visitors and search engine rankings.
The main point is that free hosting is a partnership between the provider and the “customer”. Everybody wants to get something in return, whether it is advertising space or selling other services, so the basic rule of thumb would be to find a win-win situation but to make sure there is a way to get out unharmed if the partnership becomes unbalanced one way or the other.
Emil Davtyan currently works for Gig4Free.com, a performace based free hosting provider which offers 1GB Storage and 20GB bandwidth for free.
The Problem with Free Web Hosting Plans
In my opinion, free web hosting is one of the most misunderstood concepts on the web today. Free web hosting plans are becoming increasingly popular as new webmasters bite into the idea without actually analyzing the consequences. I myself spent many years, at the start of my webmaster career, using free web hosting plans. This experience has giving me an insight into the down-side of free web hosting plans that many people seem to miss.
Would Coke promote Pepsi on their website? Although the rhetorical question above seems ludicrous, this concept is one of the fundamental problems with free web hosting plans. Forced advertising is the way that hosting companies can afford to provide “free” hosting. Whether it be through pop-ups, pop-unders, headline ads, or implanted adsense you will be hosting advertisements on your website that generate revenue for your hosting company whether you like it or not. Not only is this annoying it can also ruin the look of your page; the majority of the time you cannot control what the ads look like or where they go, they are simply dropped down onto your site and there is nothing you can do.
Traffic Jams The bottom line in web hosting is that bandwidth (data transfer) costs money and if your plan is free it is most likely your bandwidth will be limited. Too many times I have attempted to access a web site hosted on a free server and been given the message: “This user has acceded their bandwidth limits, please try again next month”. As a webmaster this can be infuriating. Imagine building a solid page, marketing it, gaining an audience, and then losing that audience because your page is not allowed anymore hits for the month.
SEO woes This is a problem that caused me a ton of frustration, but in the end taught mea lot about how search engines work and how search engines handle name resolution. In almost every case free web hosting plans do not allow you to point a domain name (www.yoursite.com) to an actual page. Instead you are forced to use a concept called URL redirection. URL redirection allows a webmaster to identify a site that the URL should point to. So if a user types in www.example.com and we have configured it to redirect to www.freehost/users/mysite.html it will end up on that page. This does not seem like much of an issue until you begin trying to get your website indexed in the search engines. So you submit your site (www.example.com) to some directories and you ake some good link partners and then you start to wonder, why am I not being listed in the SE’s? I have 100 solid back links pointing to www.example.com, what is happening. The problem is that www.example.com has no data, it has no content, it simply redirects to your actual page at www.freehost/users/mysite.html. SE’s not only will not index a page with no data or content but they may even view this as an attempt to fool their algorithm, thus banning your domain name. The only work around is to forget the domain name and optimize for your free hosting address, which is not really an acceptable work around.
But wait! Although I am a strong believer that free web hosting is not the way to go it is possible to find a free web host that works for you. There are some out there that do not force advertising, do not limit your bandwidth, and will allow pointed domains. The problem is finding one that does all three. If you are a serious, or even only slightly serious, webmaster take the hit and pay the money for web hosting. In the end you can get an awesome web hosting plan for as low as $5.95 a month, and trust me this will be WELL worth the money.
Be sure to check out Cheap Web Hosting Plans at my website.
Are Free Webhosting Accounts Really Free? – 5 Critical Things to Consider Before Choosing a Free Web
Many free web hosting accounts are free to use, however they will cost you a lot of money, time, and customers as well if you have a site that is meant for business purposes and is more than the simplest site imaginable. Consider the following items as to why free web hosting might cost you more than you had bargained for when you signed up.
Consideration #1 Bandwidth
Frequently, free web hosting providers offer you little bandwidth which means it will take longer for your page to load. When your page takes more than 10 seconds to load you will lose visitors because they will simply move on. Because of this, you might lose a lot of customers and sales from your free web host.
Consideration #2 Advertising
Many free web hosting companies are “free” to you, however, you will have advertising posted on your website as well as pop up ads. Most people do not like this and will not visit your site because of it. Be careful about signing up with a free web hosting company that uses advertising. It might not bother you, but it will probably affect your traffic and sales.
Consideration #3 Web Space
Since the web host is free, you cannot expect a whole lot of web space. Frequently people do not have the space they need to upload their web page and include all of their information. Be sure to check with your free web space provider or the ones you are considering to make sure you will have enough web space to host all of the required elements of your web pages.
Consideration #4 Reliability
Another consideration with free web hosting companies is reliability. Often times limitations are put on your traffic flow and if you exceed this, your site may be disabled for a period of time or you may even receive a bill. Find out what the rules are for traffic and what the consequences are for exceeding your limits.
Consideration #5 Limitations
More often than not, your free web host will have rules regarding the size of photos, icons, and more that you can upload. You will want to check into this before you sign up for free web hosting because if you cannot upload what you need, it is time to look at other options.
While free web hosting is technically free, it frequently costs websites more money in the long run because it limits activity and business from occurring at the rate set by consumers. Because of this, if you have a growing site it will eventually be too big for the free account and you will have to make some changes. Instead of dealing with the hassle, figure out if a free server will really be worthwhile and make a plan for change and growth ahead of time.
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Will All The $1.95 And Free Hosts Survive?
The main thing wrong today with trying to find a host for most individuals and businesses is the shear number of them. Their prices range from free to hundreds of dollars per month. When you go out on the web today and do a search for hosting you will find page upon page of hosts. Some are well established companies with solid reputations and business plans that make sense. Yet some are beyond belief that anyone would host with a company that offers you a 100mb website for $.99. Yes I said that right $.99.
The other day I was purusing the search listings and came across a host that is providing just such a product. What I cannot figure out is why? The simple fact is to make any money on this plan with your expenses figured in it would take around 100 to 200 hundred such clients. That seems like an awful lot of work for any company for such a small profit margin. I thought to myself that the headaches alone would finish off any profit you might have made via hospital bills. These plans are numerous in varying denominations. And one has to think what in the world are they thinking.
I am not saying that they should not provide a cheaper alternative, but that in the end it is the client (you) that will suffer. Most of the hosts that go under each month are the ones that did not properly figure in their cost structure to allow for all their true and tangible and untangible expenses. They also do not consider the work involved in servicing those 200 accounts each day for their possible $50 per month profit if you can call it that. Ahh just enough to buy some Excederin! If only they would have taken a moment to think of the ultimate outcome of this course of business.
I know you are thinking that you are one of these people that have a host providing you with ultra cheap service. “What is he talking about my host is stable” or are they? So one day you are sitting at your computer desk and you go to your computer and go to your website and oh no the site is gone. You think to yourself “I know I paid my $12 for the year last month so I should not have any problems”, but you do. Your host who most likely has been running their service from their home also has just gotten out of the business without notifying you at all.
This sounds impossible, but it does happen. And even worse is the cost of trying to recoup your lost $12 worth it? Probably not! So why did they go out of business? Well that is very obvious. They were simply overwelhmed by the sheer number of clients and the negative cash flow. And guess what dont feel bad because there are people everyday that this happens to from both free and budget hosting companies. Including myself. Yes I said myself.
It was not to long ago that I first got on the internet and decided that there is no reason that I need to pay for hosting when I can get it free. So I went out on the internet and searched every free host for the largest most feature rich plan and signed on with them. That is when my nightmare began for 2 tortous weeks. The very first day I loaded my site and began thinking of ways to promote my new game site that I had created. My kids were excited about and I wanted them to spread the word at school.
That evening I got on to check on my site and found the system down. I thought ok it is just a glitch for a few minutes. Three hours later the site comes back up. I send off my email to the company support who states they had a client who overloaded the system with to many downloads. Now I did not say much as this could happen to any system. And so I went on about promoting my site. Things went well for two days and I was starting to see my forums take off as we allready had 30+ members.
Then it started again as the site went down again. This time for three days, with no contact from the company. When I finally was able to contact them they gave me the same reason and told me that this was free hosting and if I did not like it to find another host. Lets just say that I was not real happy with this answer or statement. So as my site is running smoothly again for a couple days the excitement level builds until “blam” the site is down again. Now I am very upset and wondering what I was thinking in joining these guys. This time the site never comes up again. I mean never! When I finally get an email from the site owner he says that this other client was downloading 20gb of material per hour at a sustained rate. He then proceeds to tell me his overage bills are astronomically high. Now I stopped dead in my tracks and could not believe he said that. The reason I say that is because when I signed up it was an unlimited bandwidth providor. How could that be?
Well people there is no such thing as unlimited. Everything has a limit in this world. It is a matter of if we find it and he did. Seems that he did not figure in what would happen if one of his clients actually used unlimited bandwidth. Failure to plan a solid business model had got him. It also got me as I had information on my site that I had not backed up yet. So I lost a whole lot of work.
The sad truth is that no matter if you think you have gotten a great deal on hosting, have you? What is here tommorrow could be gone tommorrow. This is not to say that you might not go out and join up with a host that charges alot more and they might not go out of business tommorrow. It is just a simple fact that they might have a more sound business plan and also be able to afford to have a technician available for problems that may arise. I made the choice to go with a more expensive plan, but I also was able to get a real amount of storage and bandwidth also. Not one of these 100mb to 500mb plans that charge you $10 to $25 per month. Now that is highway robbery and another article in its own.
So make sure that you choose wisely and if your budget allows maybe consider going with a host that is little more expensive, but lets you rest assured at night that they will still be there when you wake up in the morning. And will these budget hosts and freewebsite hosts be around next year? Well we do not know. If run well they might. Just remember you are usually paying a one man team on these hosts. Good Luck!
Kevin Grames is the CEO of TheNetCode Hosting. Born in Toledo, Ohio in the 1960’s he made his way to internet hosting several years ago via his experiences with web hosts at that time. You can visit his site at http://www.thenetcode.com
