100% Uptime Guarantee

How Can C I Corporation Guarantee This?

We provide you at least two IPs in separate locations for the price of one.
They are 1000 miles apart, using different internet carriers, to guarantee 100% uptime.
Multiple locations is the only way to provide this, as hardware eventually goes down,
and internet outages can happen in metropolitan areas.

The Internet was designed by the U.S. Military to withstand nuclear attack
through this same principle of automatic backups in multiple locations.

Backup Web Site Service

We provide you 2 of your own virtual web site servers Do you care about making sure your pages are always visible? Is your current web server reliable and working 24 / 7?

Start using C I Corporation's secondary web site service today!

When your web server is not accessible by others you have a chance of losing valuable views of your web pages. These lost "hits" can result in lost sales and loss revenue. You can prevent this today by using C I Corporation's Backup Web Site Service.

How it works:
We provide you 2 Internet Protocol (IP) addresses for your web site.  If one is down, the service automatically routes viewers to the backup web server.  We make sure each web server is up 99% of the time.  But just in case, in the rare situation a server is rebooting, or undergoing maintenance, the other web server will be up.

Service outages can occur from time to time that are beyond any Internet Service Provider's (ISP) control.  We provide you two IPs in separate areas of the country.  If there is a black out in Washington DC, then the Iowa servers will automatically kick in, within a fraction of a second.  So your web pages remain visible to the world at all times.

Backup Mail Service
(Secondary MX Services)

We provide you your own email server Do you care about losing email when your mail server is off-line? Is your current email server reliable and working 24 / 7?

Start using C I Corporation's secondary mail service today!

When your mail server is not accessible by others you have a chance of losing valuable emails. These lost emails can result in lost sales and loss revenue. You can prevent this today by using C I Corporation's Backup Mail Service.

How it works:
When an email is sent to a recipient the email server looks to see which server handles mail for the domain using the DNS MX records. MX records specify which server(s) will receive mail for a given domain. Each MX record is given a priority (the MX level), the lowest being the primary mail server. The primary mail server is responsible for delivering the mail to the appropriate user mailbox.

Mail delivery is first attempted to be delivered to the primary mail server (the mail server indicated by the MX record with the lowest numbered MX level). If that server is not reachable then the mail will be attempted to be delivered to the mail server with the second lowest mx level. If the second lowest mail server in priority can not be reached then the mail will be delivered to the mail server with the third lowest mx level (third lowest priority) and so on.

If no mail servers can be reached then mail is sometimes queued but is usually just bounced back to the sender. This can lead to lost sales and lost revenue and worst of all lost of communication and respect.

Backup Mail Service:
C I Corporation's backup mail services gives you access to three emails servers for complete email redundancy. So if you will have an extra three levels of MX records giving your domain three levels of MX priority.

If your mail server cannot be reached then your email is then sent to C I Corporation's backup mail servers. Once it reaches our servers it sits in a queue and continually checks to see if your mail server is back online and is reachable. When your mail server is back online the queued mail is then delivered to your primary mail server. C I Corporation will keep attempting to deliver mail to your server for 14 days!

Quota and limitations:
The standard backup mail service will hold up to 1 GB of email or 100,000 emails (whichever comes first). Please contact our sales department if you require additional room.

Does C I Corporation block any emails or is this a spammers open relay to my systems?:
The C I Corporation backup email service is not an anti-spam service. But we do simple email checking to help prevent spammers from using our emails servers as an open relay to your mail servers. We currently:

• Check to make sure the system / server sending the email is matching who they say they are. Many spamming email servers / software will pretend to be someone else. So reverse DNS is required (reverse DNS is also a requirement by the SMTP RFCs).
• Check to make sure the "from" mail address is valid.
• Check to make sure the email headers are properly formatted. Many spamming mailers do not comply to many RFCs regarding proper SMTP headers.
• Greylisting
  • All backup email subscribers get this for free, other companies usually charge as much as $59.95 per year per domain!

Greylisting is a simple method of defending electronic mail users against e-mail spam. It is the best way of blocking most spam without using content filters (which can cause to false positives). So with this option we do not have any false positives (so no email will be lost) but we also do not act as a spammers paradise to spam you.

In short, a mail transfer agent which uses greylisting will "temporarily reject" (a 450 error code) any email from a sender it does not recognize. If the mail is legitimate, the originating server will try again to send it later (within a few minutes), at which time the destination will accept it. If the mail is from a spammer, it will probably not be retried so the spam will not be relayed through our sytems into your mail server.

Note: You "do not" need to use C I Corporation DNS for your domain to use our backup mail services. You can add the appropriate MX records for your domain on any system you want.

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