Pain in the APT pesters people about available package upgrades, just like apticron or cron-apt. However, it does so by SMTP and XMPP (direct or MUC/conference room), but also by calling mailx.
Messages are only sent when there is any change in either the list of updates or in the configuration of painintheapt.
The default configuration file is /etc/painintheapt.conf in inifile format.
There are up to three sections, SMTP, XMPP, and MAILX. The keys for SMTP are server, port, username, password, from, to, and cc. The keys for XMPP are jid, password, to, and room. The keys for MAILX are from, to, and cc. See the sample configuration for their usage.
The typical cron file is /etc/cron.d/painintheapt. One may call painintheapt without arguments daily, and with the --force option weekly, to make sure the transport does work.
It is highly recommended to set the accompanying logo as Jabber avatar for the respective user.
Affero General Public License 3 or higher
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A super cow in need of painkillers.