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- Prerequisites
- Known issues with recent releases of PaperCut NG and PaperCut MF | PaperCut
Your server has multiple active network interfaces. Consul needs to know which interface to use for local LAN communications. Add the bind option to your configuration. Tip : If your server does not have a static IP address, you can use a go-sockaddr template as the argument to the bind option, e. There is a syntax error in your configuration file. If the error message doesn't identify the exact location in the file where the problem is, try using jq to find it, for example:. Add the node name option to your agent configuration and provide a valid DNS name. If the Consul client and server are on the same LAN, then most likely, a firewall is blocking connections to the Consul server.
The client should be configured to join a cluster inside its local network. These error messages indicate a general performance problem on the Consul server. Make sure you are monitoring Consul telemetry and system metrics according to our monitoring guide.
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Increase the CPU or memory allocation to the server if needed. Check the performance of the network between Consul nodes. On a busy cluster, the operating system may not provide enough file descriptors to the Consul process. Find answers, ask questions, and share your expertise.
Turn on suggestions. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Showing results for. Search instead for. Did you mean:. All forum topics Previous Next. Labels: Apache Hive. Reply , Views. Tags 4. Accepted Solutions. This means that the order in which you define the routers matters. Each router is fully described in its own chapter later in this manual. Here we give only brief overviews. This router is commented out because the majority of sites do not want to support domain literal addresses those of the form user [ Any mail which is to a local domain will skip these routers because of the domains option.
Addresses in other domains are passed on to the following routers. The name of the router driver is manualroute because we are manually specifying how mail should be routed onwards, instead of using DNS MX. While the name of this router instance is arbitrary, the driver option must be one of the driver modules that is in the Exim binary. See 3. The name of the router driver is dnslookup , and is specified by the driver option.
Do not be confused by the fact that the name of this router instance is the same as the name of the driver. The instance name is arbitrary, but the name set in the driver option must be one of the driver modules that is in the Exim binary. The dnslookup router routes addresses by looking up their domains in the DNS in order to obtain a list of hosts to which the address is routed. This option is present because a number of cases have been encountered where MX records in the DNS point to host names whose IP addresses are 0.
Completely ignoring these IP addresses causes Exim to fail to route the email address, so it bounces. Otherwise, Exim would log a routing problem, and continue to try to deliver the message periodically until the address timed out. Control reaches this and subsequent routers only for addresses in the local domains.
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If no data is found for the local part, the value of the data option is empty, causing the address to be passed to the next router. That is why it is referenced by from the default configuration file. This is the most complicated router in the default configuration. It is another redirection router, but this time it is looking for forwarding data set up by individual users. If it is not, the router is skipped.
The second suffix option specifies that the presence of a suffix in the local part is optional. When a suffix is present, the check for a local login uses the local part with the suffix removed. When a local user account is found, the file called. If it does not exist, or is empty, the router declines. Otherwise, the contents of. Exim supports this by default. There are two reasons for doing this:.
Whether or not a local user has a. The group is the Exim group, and no additional groups are set up. This works round a problem concerning a bad interaction between aliasing and forwarding — see section The final three option settings specify the transports that are to be used when forwarding generates a direct delivery to a file, or to a pipe, or sets up an auto-reply, respectively.
For example, if a. Otherwise, we have reached the end of the routers, so the address is bounced. The commented suffix settings fulfil the same purpose as they do for the userforward router.
Transports define mechanisms for actually delivering messages. They operate only when referenced from routers, so the order in which they are defined does not matter. The transports section of the configuration starts with.
This transport is used for delivering messages over SMTP connections. The list of remote hosts comes from the router. It is negotiated between client and server and not expected to cause problems but can be disabled if needed. The other remote transport is used when delivering to a specific smarthost with whom there must be some kind of existing relationship, instead of the usual federated system.
All other options depend upon built-in macros; if Exim was built without TLS support then no other options are defined. This appendfile transport is used for local delivery to user mailboxes in traditional BSD mailbox format. Some systems use the alternative approach of running mail deliveries under a particular group instead of using the sticky bit. The commented options show how this can be done. Exim adds three headers to the message as it delivers it: Delivery-date: , Envelope-to: and Return-path:.
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This action is requested by the three similarly-named options above. This transport is used for handling deliveries to files that are generated by redirection. The name of the file is not specified in this instance of appendfile , because it comes from the redirect router.
Known issues with recent releases of PaperCut NG and PaperCut MF | PaperCut
The retry section of the configuration file contains rules which affect the way Exim retries deliveries that cannot be completed at the first attempt. It is introduced by the line. This causes any temporarily failing address to be retried every 15 minutes for 2 hours, then at intervals starting at one hour and increasing by a factor of 1. If an address is not delivered after 4 days of temporary failure, it is bounced. The time is measured from first failure, not from the time the message was received.
If the retry section is removed from the configuration, or is empty that is, if no retry rules are defined , Exim will not retry deliveries. This turns temporary errors into permanent errors. There are no rewriting rules in the default configuration file. In the examples it just produces an error message. To make the authenticators work, you can use a string expansion expression like one of the examples in chapter Chapter 34 covers both. Macros All macros should be defined before any options.