SMTP Auth not working

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sbriscoe2
Posts: 9
Joined: Fri Sep 12, 2014 10:40 pm

SMTP Auth not working

Post by sbriscoe2 »

I have both "Enable authentication" and "TLS authentication only" enabled on my server, but users are still able to send e-mail through smtp without a username and password.

here's the output of "zmprov gs zimbra.mydomain.com"
cn: zimbra.mydomain.com

description: E-mail Server

objectClass: zimbraServer

zimbraAdminPort: 7071

zimbraAdminURL: /zimbraAdmin

zimbraAttachmentsIndexedTextLimit: 1048576

zimbraBackupAutoGroupedInterval: 1d

zimbraBackupAutoGroupedNumGroups: 7

zimbraBackupAutoGroupedThrottled: FALSE

zimbraBackupMode: Standard

zimbraBackupReportEmailSubjectPrefix: ZCS Backup Report

zimbraBackupTarget: /opt/zimbra/backup

zimbraClusterType: none

zimbraFileUploadMaxSize: 10485760

zimbraHsmAge: 30d

zimbraHttpNumThreads: 250

zimbraHttpSSLNumThreads: 50

zimbraImapBindOnStartup: TRUE

zimbraImapBindPort: 143

zimbraImapCleartextLoginEnabled: TRUE

zimbraImapNumThreads: 200

zimbraImapProxyBindPort: 7143

zimbraImapSSLBindOnStartup: TRUE

zimbraImapSSLBindPort: 993

zimbraImapSSLProxyBindPort: 7993

zimbraImapSSLServerEnabled: TRUE

zimbraImapSaslGssapiEnabled: FALSE

zimbraImapServerEnabled: TRUE

zimbraLmtpBindOnStartup: FALSE

zimbraLmtpBindPort: 7025

zimbraLmtpNumThreads: 20

zimbraLogToSyslog: FALSE

zimbraMailDiskStreamingThreshold: 1048576

zimbraMailMode: redirect

zimbraMailPort: 80

zimbraMailPurgeSleepInterval: 0

zimbraMailSSLPort: 443

zimbraMailURL: /zimbra

zimbraMemcachedBindPort: 11211

zimbraMessageCacheSize: 1671168

zimbraMtaAuthEnabled: TRUE

zimbraMtaAuthHost: zimbra.mydomain.com

zimbraMtaAuthTarget: TRUE

zimbraMtaAuthURL: https://zimbra.mydomain.com/service/soap/

zimbraMtaDnsLookupsEnabled: TRUE

zimbraMtaMyDestination: localhost

zimbraMtaMyNetworks: 127.0.0.0/8 (external IP)/24 (internal IP)/24

zimbraMtaTlsAuthOnly: TRUE

zimbraNotebookFolderCacheSize: 1024

zimbraNotebookMaxCachedTemplatesPerFolder: 256

zimbraNotebookPageCacheSize: 10240

zimbraNotifyBindPort: 7035

zimbraNotifySSLBindPort: 7036

zimbraNotifySSLServerEnabled: TRUE

zimbraNotifyServerEnabled: TRUE

zimbraPop3BindOnStartup: TRUE

zimbraPop3BindPort: 110

zimbraPop3CleartextLoginEnabled: FALSE

zimbraPop3NumThreads: 100

zimbraPop3ProxyBindPort: 7110

zimbraPop3SSLBindOnStartup: TRUE

zimbraPop3SSLBindPort: 995

zimbraPop3SSLProxyBindPort: 7995

zimbraPop3SSLServerEnabled: FALSE

zimbraPop3SaslGssapiEnabled: FALSE

zimbraPop3ServerEnabled: FALSE

zimbraRedoLogArchiveDir: redolog/archive

zimbraRedoLogDeleteOnRollover: TRUE

zimbraRedoLogEnabled: TRUE

zimbraRedoLogFsyncIntervalMS: 10

zimbraRedoLogLogPath: redolog/redo.log

zimbraRedoLogRolloverFileSizeKB: 102400

zimbraRemoteManagementCommand: /opt/zimbra/libexec/zmrcd

zimbraRemoteManagementPort: 22

zimbraRemoteManagementPrivateKeyPath: /opt/zimbra/.ssh/zimbra_identity

zimbraRemoteManagementUser: zimbra

zimbraReverseProxyLookupTarget: TRUE

zimbraScheduledTaskNumThreads: 20

zimbraServiceEnabled: antivirus

zimbraServiceEnabled: antispam

zimbraServiceEnabled: logger

zimbraServiceEnabled: mailbox

zimbraServiceEnabled: mta

zimbraServiceEnabled: stats

zimbraServiceEnabled: snmp

zimbraServiceEnabled: ldap

zimbraServiceEnabled: spell

zimbraServiceHostname: zimbra.mydomain.com

zimbraServiceInstalled: antivirus

zimbraServiceInstalled: antispam

zimbraServiceInstalled: logger

zimbraServiceInstalled: mailbox

zimbraServiceInstalled: mta

zimbraServiceInstalled: stats

zimbraServiceInstalled: snmp

zimbraServiceInstalled: ldap

zimbraServiceInstalled: spell

zimbraSmtpHostname: zimbra.mydomain.com

zimbraSmtpPort: 25

zimbraSmtpSendPartial: FALSE

zimbraSmtpTimeout: 60

zimbraSoapRequestMaxSize: 15360000

zimbraSpellCheckURL: http://zimbra.mydomain.com:7780/aspell.php

zimbraTableMaintenanceGrowthFactor: 10

zimbraTableMaintenanceMaxRows: 1000000

zimbraTableMaintenanceMinRows: 10000

zimbraTableMaintenanceOperation: ANALYZE

zimbraVirusDefinitionsUpdateFrequency: 2h

zimbraXMPPEnabled: TRUE
rsharpe
Outstanding Member
Outstanding Member
Posts: 254
Joined: Fri Sep 12, 2014 9:59 pm

SMTP Auth not working

Post by rsharpe »

This is most likely because your users are in the zimbraMTAMyNetworks. Whoever sits in those subnets are considered trusted and do not have to authenticate.
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