docker-mailserver/target/bin/addrelayhost

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#!/bin/bash
# shellcheck source=../scripts/helpers/index.sh
source /usr/local/bin/helpers/index.sh
function _main
{
[[ ${1:-} == 'help' ]] && { __usage ; exit 0 ; }
local DOMAIN="${1}"
local HOST="${2}"
local PORT="${3}"
_validate_parameters
_add_relayhost
}
function __usage
{
printf '%s' "${PURPLE}addrelayhost${RED}(${YELLOW}8${RED})
${ORANGE}USAGE${RESET}
./setup.sh relay add-domain <SENDER DOMAIN> <RELAY HOST> [<RELAY PORT>]
${ORANGE}OPTIONS${RESET}
${BLUE}Generic Program Information${RESET}
help Print the usage information.
${ORANGE}DESCRIPTION${RESET}
Add a relay-host where mail sent from mail accounts of the provided
domain will be relayed through to their destination.
If a port is not provided it will default to 25.
If the relay-host requires authentication, use the 'setup relay add-auth'
command after adding the relay-host.
${ORANGE}EXAMPLES${RESET}
${LWHITE}./setup.sh relay add-domain example.com relay.service.test 587${RESET}
Any mail submitted from your '@example.com' accounts will be sent via
relay using the relay-host service at 'relay.service.test:587'.
${ORANGE}EXIT STATUS${RESET}
Exit status is 0 if command was successful. If wrong arguments are provided
or arguments contain errors, the script will exit early with exit status 1.
"
}
function _validate_parameters
{
[[ -z ${DOMAIN} ]] && { __usage ; _exit_with_error 'No domain specified' ; }
[[ -z ${HOST} ]] && { __usage ; _exit_with_error 'No relay host specified' ; }
[[ -z ${PORT} ]] && PORT=25
}
# Config is for sender dependent relay-host mapping,
# current support restricts senders to domain scope (port is also enforced).
function _add_relayhost
{
local SENDER="@${DOMAIN}"
local RELAY_HOST_ENTRY="[${HOST}]:${PORT}"
local DATABASE_RELAY='/tmp/docker-mailserver/postfix-relaymap.cf'
_db_entry_add_or_replace "${DATABASE_RELAY}" "${SENDER}" "${RELAY_HOST_ENTRY}"
}
_main "${@}"