Kovács Zoltán
39 lines
1.4 KiB
Bash
Executable File
39 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# A simple wrapper script to s-nail. Needs a suitable smarthost.
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# A copy of sent mail is saved in the /var/mail/$USER mbox file.
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# It is recommended to rotate these files e.g via /etc/logrotate.d.
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# See also https://manpages.ubuntu.com/manpages/focal/man1/s-nail.1.html
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# SMTP settings - feel free to adjust.
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#
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# Sender's address is fixed - pay attention to the SPF DNS record!
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FROM="no-reply@example.com"
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# Default recipient(s), delimited by space.
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TO="sysadmin@example.com webadmin@example.com"
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SMTP_SERVER="mail.example.com"
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# smtp (for tcp/25), smtps (for tcp/465), submission (for tcp/587).
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SMTP_PROTO="submission"
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# URL escaping required for special characters below.
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SMTP_USER="no-reply%40example.com"
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SMTP_PASS="topsecret"
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# s-nail call.
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#
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if [ -x "/bin/s-nail" ]; then
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# The recipient's address is the last argument.
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recipient="${@: -1}"
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set -- "${@: 1: $#-1}"
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# Our scripts may send mails to the local user.
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# In this case, we need replace the recipient address.
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[[ "$recipient" = "$USER" ]] && recipient="$TO"
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[[ "$recipient" = "$USER@$HOSTNAME" ]] && recipient="$TO"
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if [ -n "$recipient" ]; then
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"/bin/s-nail" -S from="$FROM" -S v15-compat \
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-S smtp-auth="login" $([[ "$SMTP_PROTO" = "submission" ]] && echo "-S smtp-use-starttls") \
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-S mta="$SMTP_PROTO://$SMTP_USER:$SMTP_PASS@$SMTP_SERVER" \
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-S record="/var/mail/$USER" \
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"${@}" $recipient
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fi
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fi
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