Hi,
>I am pretty sure that most providers do not recommend running a mail >serveron their ADSL lines, even ones with static Ips. I think that if you opt for
a residential class service, you are bound to run into all kinds of
problems. Getting your mail rejected by tons of other mail servers is only
going to be one of your many worries.
It's not residental service, we're talking business service via DSL/cable.
Any business that is so small as to not be able to afford something better than an ADSL line should probably not be running their own mail server to begin with.
Let's get something else in. What gives some the idea the a ADSL line would be inferiour to a T1 line?
There are all sorts of reasons as to why small businesses might need to run
their own mail server, but see no need to spend several times the $$$ for a
T1 line as opposed to DSL or cable. Many of the businesses we work with
have their own internal Exchange servers for reason of collaboration needs,
or integration with other internal processes.
Right. But like I said, why would a ADSL line be inferiour? For most businesses the employees need download capacity to browse the net. The upload bandwith can be a lot less. Overhere a "basic ADSL" line is now 3200K/768K for just 60 euro's a month. A "Fast ADSL" line is 8M/1M for just 80 euros a month. Considering a T1 line is LESS than that .......
Could they opt to spend more money on data lines, yes. Could they achieve their collaboration/integration needs in other ways without needing an internal mail server, yes. Do these other possibilities mean that the business should be forced to do so, no.
Right, these lines are sold ALLWAYS with a static IP and the SLA specifically states one is allowed to run a server of that line. Overhere there are SDSL lines which use a different IP space but ALL ADSL lines, whether they are bussiness or consumer share the same IP space as there is no difference.
If the reliability of the DSL/cable line (or multiple lines for redundancy in some cases) meets their needs, it would not be smart as a business to spend more money just because a particular email admin somewhere in the world decides to start blocking all mail from static IP DSL/cable subscribers. The fact that there is no consensus in this discussion bears testament to the fact that T1 lines or better are not a de facto standard for email server connectivity.
T1 lines are great if one has A LOT of outgoing trafic, like we have at our main site but ALL OTHER sites needs just a lot of download bandwith and some upload bandwith. A ADSL line is just that so why pay for something else we don't need nor want?
Bottom line is businesses have to make budgetary decisions like this based
on technical merit and financial feasability. They would be foolish to
spend more than necessary to meet their needs. From that perspective,
business class DSL/cable should be considered viable connectivity solutions.
Right. I could not agrree more. As a matter of fact I would get into trouble with out management if I were to start using expensive connections to the internet just because someone else assumes all mail from an IP space which also contains consumer connections should be blocked. Of course *I* have an option, all mail goes through our corporate mailserver which is at our main site that now has a 100Mbit connection, no xDSL line ;-), but not everyone has that option.
Groetjes,
Bonno Bloksma
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