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[ Source: lsb  ]

Package: lsb-invalid-mta (4.1+Debian13+nmu1)

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Linux Standard Base sendmail dummy

The Linux Standard Base ( is a standard core system that third-party applications written for Linux can depend upon.

This package contains nothing else than a fake /usr/sbin/sendmail command to fulfill the LSB's requirement of providing this command without requiring an MTA to get installed, which once introduces a daemon which can cause security problems and second, users get asked questions about how they want their MTA configured when in reality they simply wanted to install a desktop application or a printer driver, but the dependency on LSB compliance pulls in an MTA with the installation.

The LSB requirement on /usr/sbin/sendmail comes from old times where Linux and Unix machines had all fixed IPs and did server tasks in data centers. Today's typical desktop Linux machines do not do local e-mail any more as users use external e-mail services.

The /usr/sbin/sendmail always exits with exit status -1 (255) and sends a warning message to stderr, so that if a program actually tries to send e-mail via the sendmail command the user gets note.

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Download lsb-invalid-mta

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Architecture Package Size Installed Size Files
all 19.9 kB60.0 kB [list of files]