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Originally Posted by kollross Is there a way in zimbra to increase the number of LMTP threads on a server in order to accept a larger amount of email from another zimbra server that is doing external spam filtering? We are currently seeing timeouts on the LMTP port on the MailStore server. |
Yes. The defaul value is 10 and it's stored in com.zimbra.cs.util.Config.D_LMTP_THREADS. You can override this default value by defining a new key in /opt/zimbra/conf/localconfig.xml named zimbraLmtpNumThreads, for example if you want to increase it to 50, just execute below commands under the zimbra user:
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zimbra$ zmlocalconfig -e zimbraLmtpNumThreads=50
zimbra$ tomcat stop
zimbra$ tomcat start
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The first command creates the new key zimbraLmtpNumThreads and sets its value to 50. Two other command restart tomcat to restart the lmtp server.
HTH,
-g