what is the absolute cheapest way to have full time 24-7 internet access? Most probably for an email only type network situation with occasional browsing. The full time requirement is for real time email all the time. Lets assume a minimum speed of 14400 bps.. I dont think 9600 exists anymore..
There <!-- BBCode Start --><B>is</B><!-- BBCode End --> no cheap 24x7 access in this country thanks to Telkom, unless you consider ADSL - or perhaps find an ISP who offers analogue (33.6kbps) leased-line access.
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Be polite, professional and have a plan to kill everyone you meet.
ADSL would be the closest you will get but there is a problem because you get a dynamic IP address you can't have a an MX on our side you would have to have a mailserver off of the network.
You need a company that does mail hosting on their servers.
The company I work with does this, we register your domain (if you want) and you just dial-up using one of our internet dialups that goes through Internet Solutions.