It may be the "dFLASH" service that you are looking for.
You can look up past bionet articles on DFLASH by visiting the
IUBio Gopher server (gopher ftp.bio.indiana.edu), and open
Network-News/, query the Bionet News at IUBio archive <?> item for
dflash
Here is a brief selection from their help document:
The dFLASH server is a "homologous sequence retrieval" program for protein
sequences (see also NOTES below).
You can use the dFLASH facilities by sending an email message to
"dflash at watson.ibm.com"
TO OBTAIN HELP:
---------------
You can obtain this message at any moment by sending a message with one of:
{ dflash, dFlash, dFLASH, DFLASH } in the "Subject" line and a body containing
one of { help, HELP, send help, SEND HELP }.
--
-- d.gilbert--biocomputing--indiana u--bloomington--gilbertd at bio.indiana.edu
