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diff --git a/_tils/2020-09-04-send-emails-using-the-command-line-for-fun-and-profit.md b/_tils/2020-09-04-send-emails-using-the-command-line-for-fun-and-profit.md deleted file mode 100644 index 320f3ab..0000000 --- a/_tils/2020-09-04-send-emails-using-the-command-line-for-fun-and-profit.md +++ /dev/null @@ -1,80 +0,0 @@ ---- -title: Send emails using the command line for fun and profit! -date: 2020-09-04 -layout: post -lang: en -ref: send-emails-using-the-command-line-for-fun-and-profit ---- -Here are a few reasons why: - -1. send yourself and other people notification of cronjobs, scripts runs, CI - jobs, *etc.* - -2. leverage the POSIX pipe `|`, and pipe emails away! - -3. because you can. - -Reason 3 is the fun part, reasons 1 and 2 are the profit part. - -First [install and configure SSMTP][ssmtp] for using, say, Gmail as the email -server: - -```shell -# file /etc/ssmtp/ssmtp.conf -FromLineOverride=YES -MailHub=smtp.gmail.com:587 -UseSTARTTLS=YES -UseTLS=YES -rewriteDomain=gmail.com -root=username@gmail.com -AuthUser=username -AuthPass=password -``` - -Now install [GNU Mailutils][gnu-mailutils] (`sudo apt-get install mailutils` or the -equivalent on your OS), and send yourself your first email: - -```shell -echo body | mail -aFrom:email@example.com email@example.com -s subject -``` - -And that's about it, you've got mail. Here are some more places where it might -be applicable: - -```shell -# report a backup cronjob, attaching logs -set -e - -finish() { - status=$? - if [[ $status = 0 ]]; then - STATUS="SUCCESS (status $status)" - else - STATUS="FAILURE (status $status)" - fi - - mail user@example.com \ - -s "Backup job report on $(hostname): ${STATUS}" \ - --content-type 'text/plain; charset=utf-8' \ - -A"$LOG_FILE" <<< 'The log report is in the attachment.' -} -trap finish EXIT - -do-long-backup-cmd-here -``` - -``` -# share the output of a cmd with someone -some-program | mail someone@example.com -s "The weird logs that I was talking about" -``` - -...and so on. - -You may consider adding a `alias mail='mail -aFrom:email@example.com'` so you -don't keep re-entering the "From: " part. - -Send yourself some emails to see it working! - -[ssmtp]: https://wiki.archlinux.org/index.php/SSMTP -[gnu-mailutils]: https://mailutils.org/ -[forwarding-wiki-section]: https://wiki.archlinux.org/index.php/SSMTP#Forward_to_a_Gmail_mail_server |