settings.list(['smtpHostname', 'smtpPort', 'smtpEncryption', 'smtpUser', 'smtpPass', 'smtpLog', 'smtpDisableAuth', 'smtpMaxConnections', 'smtpMaxMessages', 'smtpSelfSigned', 'pgpPrivateKey', 'pgpPassphrase'], (err, configItems) => {
if (err) {
return callback(err);
}
module.exports.transport = nodemailer.createTransport({
pool: true,
host: configItems.smtpHostname,
port: Number(configItems.smtpPort) || false,
secure: configItems.smtpEncryption === 'TLS',
ignoreTLS: configItems.smtpEncryption === 'NONE',
auth: configItems.smtpDisableAuth ? false : {
user: configItems.smtpUser,
pass: configItems.smtpPass
},
debug: !!configItems.smtpLog,
logger: !configItems.smtpLog ? false : {
debug: log.info.bind(log, 'Mail'),
info: log.verbose.bind(log, 'Mail'),
error: log.info.bind(log, 'Mail')
},
maxConnections: Number(configItems.smtpMaxConnections),
maxMessages: Number(configItems.smtpMaxMessages),
tls: {
rejectUnauthorized: !configItems.smtpSelfSigned
}
});
module.exports.transport.use('stream', openpgpEncrypt({
signingKey: configItems.pgpPrivateKey,
passphrase: configItems.pgpPassphrase
}));
return callback(null, module.exports.transport);
});
settings.list(['smtpHostname', 'smtpPort', 'smtpEncryption', 'smtpUser', 'smtpPass', 'smtpLog', 'smtpDisableAuth', 'smtpMaxConnections', 'smtpMaxMessages', 'smtpSelfSigned', 'pgpPrivateKey', 'pgpPassphrase', 'smtpThrottling'], (err, configItems) => {
if (err) {
return callback(err);
}
let oldListeners = [];
if (module.exports.transport) {
oldListeners = module.exports.transport.listeners('idle');
module.exports.transport.removeAllListeners('idle');
module.exports.transport.removeAllListeners('stream');
module.exports.transport.checkThrottling = null;
}
module.exports.transport = nodemailer.createTransport({
pool: true,
host: configItems.smtpHostname,
port: Number(configItems.smtpPort) || false,
secure: configItems.smtpEncryption === 'TLS',
ignoreTLS: configItems.smtpEncryption === 'NONE',
auth: configItems.smtpDisableAuth ? false : {
user: configItems.smtpUser,
pass: configItems.smtpPass
},
debug: !!configItems.smtpLog,
logger: !configItems.smtpLog ? false : {
debug: log.verbose.bind(log, 'Mail'),
info: log.info.bind(log, 'Mail'),
error: log.error.bind(log, 'Mail')
},
maxConnections: Number(configItems.smtpMaxConnections),
maxMessages: Number(configItems.smtpMaxMessages),
tls: {
rejectUnauthorized: !configItems.smtpSelfSigned
}
});
module.exports.transport.use('stream', openpgpEncrypt({
signingKey: configItems.pgpPrivateKey,
passphrase: configItems.pgpPassphrase
}));
if (oldListeners.length) {
log.info('Mail', 'Reattaching %s idle listeners', oldListeners.length);
oldListeners.forEach(listener => module.exports.transport.on('idle', listener));
}
let throttling = Number(configItems.smtpThrottling) || 0;
if (throttling) {
// convert to messages/second
throttling = 1 / (throttling / (3600 * 1000));
}
let lastCheck = Date.now();
module.exports.transport.checkThrottling = function (next) {
if (!throttling) {
return next();
}
let nextCheck = Date.now();
let checkDiff = (nextCheck - lastCheck);
lastCheck = nextCheck;
if (checkDiff < throttling) {
log.verbose('Mail', 'Throttling next message in %s sec.', (throttling - checkDiff) / 1000);
setTimeout(next, throttling - checkDiff);
} else {
next();
}
};
caches.cache.delete('sender queue');
return callback(null, module.exports.transport);
});