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- [ from ftp://ftp.nikhef.nl/pub/network/README_FIRST ]
- 'vrfy' is a tool to verify email addresses and mailing lists.
- In its simplest form it takes an address "user@domain", figures
- out the MX hosts for "domain", and issues the SMTP command VRFY
- at the primary MX host (optionally all), or at "domain" itself
- if no MX hosts exist. Without "domain" it goes to "localhost".
- More complex capabilities are: recursively expanding forward
- files or mailing lists, and detecting mail forwarding loops.
- Full-blown RFC822 address specifications are understood.
- Syntax checking can be carried out either locally or remotely.
- Various options are provided to exploit alternative protocol
- suites if necessary, and to print many forms of verbose output.
- Obvious limitations exist, but on average it works pretty well.
- Needless to say you need internet (nameserver and SMTP) access.
- See the man page and the extensive documentation in the source
- for further details.
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