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Don't close the VERP Server on error. And improved error reporting.

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Based on https://git.io/vQLS7 , I believe the change introduced in
https://git.io/vQL7u "server.close()" to be in error, and intended to
close one connection, like it’s handled in https://git.io/vQLSF

Perhaps SMTPServer isn't even meant to throw ECONNRESET and EPIPE in
the first place.
This commit is contained in:
witzig 2017-06-22 18:00:13 +02:00
parent 277b2cadf5
commit 963aef53b5
3 changed files with 62 additions and 16 deletions
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42
services/postfix-bounce-server.js
View file

@ -70,17 +70,37 @@ let server = net.createServer(socket => {
});
});
server.on('error', err => {
log.error('POSTFIXBOUNCE', err && err.stack);
});
module.exports = callback => {
if (config.postfixbounce.enabled) {
server.listen(config.postfixbounce.port, config.postfixbounce.host, () => {
log.info('POSTFIXBOUNCE', 'Server listening on port %s', config.postfixbounce.port);
setImmediate(callback);
});
} else {
setImmediate(callback);
if (!config.postfixbounce.enabled) {
return setImmediate(callback);
}
let started = false;
server.on('error', err => {
const port = config.postfixbounce.port;
const bind = typeof port === 'string' ? 'Pipe ' + port : 'Port ' + port;
switch (err.code) {
case 'EACCES':
log.error('POSTFIXBOUNCE', '%s requires elevated privileges.', bind);
break;
case 'EADDRINUSE':
log.error('POSTFIXBOUNCE', '%s is already in use', bind);
break;
default:
log.error('POSTFIXBOUNCE', err);
}
if (!started) {
started = true;
return callback(err);
}
});
server.listen(config.postfixbounce.port, config.postfixbounce.host, () => {
started = true;
log.info('POSTFIXBOUNCE', 'Server listening on port %s', config.postfixbounce.port);
setImmediate(callback);
});
};