On Fri, Nov 28, 2003 at 11:17:25AM -0700, Guy Fraser wrote: > The reason ISP's don't like to use IMAP and setup Full Featured web > based mail > is : > > 1) IMAP mail stays on the mail server. > 2) People abuse mail storage systems. I have had people backing there > machine up > and saving the files on our mail server. > 3) Any mail on the mail server is the responsibility of the ISP. > 4) In Canada as of Jan 2004, Any mail on the mail server must be > available to the > customer, even if the account is suspended, all new mail must be > rejected indicating > that the account is suspended. > 5) Due to privacy laws, it is in the ISP's best interest not to keep > customer > mail on their servers, for reasons of liability. If a hard drive becomes > corrupted > and someones mail is read unintentionaly during the recovery of damaged > files, > the ISP is liable to criminal and civil action. > > The mail is yours, so you should store it, and be resposible for it. > > Maybe before you whine about ISP's email offering you should, try and > price out the > costs for supporting 20,000 mail accounts. I keep about 300MB of mail on > my machine > but lets consider 30MB for an average user. I recieve about 1GB of mail > {UCE included} > per year, lets say 100MB for the average user. Now lets say ISP's pay > about $0.01/MB of > traffic, and 1MB of storage costs $10 per year to maintain. A user will > read the good mail > messages that they keep at least twice, and checks mail at least once a > week. The other > costs for equipment and labour are part of the overall service costs, > not included here. > > IMAP > 100MB to get mail to ISP > 100MB to get mail to customer initialy > 30MB to read mail a second time {UCE not read again} > = 230MB traffic per year > 230 * $0.01 = $2.3 per year > 100MB / 52 ~ 2MB to store transient mail > 30MB constant storage > = 32MB > 32 * $10 = $320 per year > $2.3 + $320 = $322.3 per year = $26.86 per month > > POP3 > 100MB to get mail to ISP > 100MB to get mail to customer > = 200 MB traffic per year > 200 * $0.01 = $2 per year > 100MB / 52 ~ 2MB to store transient mail > 2 * $10 = $20 per year > $2 + $20 = $22 per year = $1.83 per month > > Savings using POP3 > $26.86 - $1.83 = $25.03 per month > 25.03 / 26.86 = 93% > > Is IMAP worth $25 per month to you? > > By the way, we do provide squirrel mail for our customers, but we > disabled the folders > because it is supposed to be only for checking mail when away from your > computer. > > For the $30 per month an ISP gets for a residential account, doesn't > cover the costs > an ISP must pay to service the account. Although residential DSL cost > ISP's more than > they get from the customer, to stay in the market residential DSL has to > be offered > and supplied at market rates. > I am in agreement with the analysis with this addendum. One of the features of pop is to leave a copy of the mail on the server. So with pop and care3less users you can have the worst of both worlds. -- ------------------------------------------- Aaron Konstam Computer Science Trinity University 715 Stadium Dr. San Antonio, TX 78212-7200 telephone: (210)-999-7484 email:akonstam@xxxxxxxxxxx -- Shrike-list mailing list Shrike-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/shrike-list