I've got 2 accts. One local and Compuserve (CIS). When I'm away I use CIS as ISP and then use Outlook Express to get my mail from my home account. For a while I couldnt send mail but I've just sussed that one. Set up an account in OE call it CS Access or whatever, Set the incming mail POP3 to your home account but change the Outgoing SMTP to SMTP.compuserve.com and presto you use the one e-mail address anywhere. Use all your home a/c details otherwise eg Name address etc. Just remember when replying to a message to change the account to "CS Access" at the "From" dropdown menu. I know you can get IBM etc anywhere, as well as Yahoo (& PPrune mail) but I prefer to have a paid ISP for reliability. My home supplier and Compuserve both do that brilliantly.
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The Stamp is mightier than the Toolbox!!