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[ Source: vrfy  ]

Package: vrfy (990522-6)

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verify electronic mail addresses

'vrfy' is a tool to verify e-mail 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,
 * detecting mail forwarding loops,
 * understanding full-blown RFC822 address specifications,
 * syntax checking that can be carried out either locally or remotely,
 * various options provided to exploit alternative protocol suites
   if necessary, and to print many forms of verbose output.

Obvious limitations exist (mostly due to a lousy VRFY command implementation on some hosts), but otherwise, it works pretty well.

Tags: Implemented in: C, Electronic Mail: SMTP Protocol, Network Protocol: SMTP, Role: Program, Purpose: Checking, Works with: Email

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Download vrfy

Download for all available architectures
Architecture Package Size Installed Size Files
amd64 26.0 kB92.0 kB [list of files]
armel 24.9 kB88.0 kB [list of files]
i386 24.0 kB84.0 kB [list of files]
ia64 30.7 kB124.0 kB [list of files]
kfreebsd-amd64 26.0 kB66.0 kB [list of files]
kfreebsd-i386 23.8 kB58.0 kB [list of files]
mips 26.6 kB100.0 kB [list of files]
mipsel 26.6 kB100.0 kB [list of files]
powerpc 25.3 kB92.0 kB [list of files]
s390 27.0 kB92.0 kB [list of files]
sparc 25.1 kB88.0 kB [list of files]