web based mail

hi all, i was wondering if there's anyone here who gives web based mail services to their customers. if so, what package/application can you suggest w/c, based on ur experiences is proven to work in a nice and stable way. (and also those w/c will allow u to sort ur email in diff folders

hostname domain name changing

to go about this. any help will greatly be appriciated. caa

filename conversion

hello everyone, i just uploaded some 800++ files to my debian box (from a windoze box) and found out that all filenames had been transformed to their uppercase equivalent ... anybody knows how do i convert all these files back to their lowercase equivalent while keeping the numbers and the

shell scripting

parameter that it sees, that is, the name of the user i want to add ... but how do u do this in linux ??? hope someone can guide me on this, TIA caa

smail or sendmail

this time now. are their any additional tricks when configuring a SMTP mailserver ? thanks a lot caa