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80 results found

1. ME020055: Windows DNS Server Response Codes

SUMMARY DNS error codes. DETAIL This article lists typical WIN32 DNS return codes. These return codes may appear in the SMTP Debug log file if the DNS is either incorrectly configured or there are DNS...
/kb/content/article.asp?ID=me020055 - 4944 bytes

2. ME020732: Creating a simple SPF DNS record for a domain

SUMMARY This article describes how to create a simple SPF DNS record for your domains. Some mail servers will send emails to the junk folder, or possibly not accept it, if you are missing domain authe...
/kb/content/article.asp?ID=me020732 - 0 bytes

3. ME020190: How to configure and host DNS infrastructure for MailEnable

SUMMARY How to configure DNS infrastructure needed for MailEnable. This article explains how to configure DNS if you are hosting your own DNS Server (as opposed to a third party or ISP hosting the DNS...
/kb/content/article.asp?ID=me020190 - 1954 bytes

4. ME020043: Which DNS should be used with MailEnable?

MailEnable's DNS settings are defined in the MMC Administration Console under the properties of the SMTP Connector. The installation process will query your network interfaces to determine which DNS S...
/kb/content/article.asp?ID=me020043 - 0 bytes

5. ME020183: Diagnostic Report reports the error: 'Could not resolve your Local Domain Name in DNS'

SYMPTOMS Diagnostic Report reports the error: 'Could not resolve your Local Domain Name in DNS' CAUSE This error means that under the properties of the SMTP Connector (in the MailEnable Administration...
/kb/content/article.asp?ID=me020183 - 3260 bytes

6. ME020162: How to configure Reverse DNS Blacklisting

This article explains how to configure Reverse DNS Blaclisting under MailEnable. Reverse DNS Blacklisting allows you to validate those sending mail against a list of potential spammers. <BR> <BR> You ...
/kb/content/article.asp?ID=me020162 - 0 bytes

7. ME020079: Troubleshooting DNS MX Lookup Issues

SUMMARY Troubleshooting DNS MX lookup issues. DETAIL MailEnable provides a simple utility that reports the mail specific DNS entries for your Domain. This utility is available at http://www.mailenable...
/kb/content/article.asp?ID=me020079 - 4309 bytes

8. ME020115: How to set up PTR records under Microsoft's DNS Server

SUMMARY How to set up PTR records under Microsoft's DNS Server. DETAIL 1. Ensure that DNS Forwarding is enabled on the server. This means that if a client cannot find DNS records in the server, the DN...
/kb/content/article.asp?ID=me020115 - 2479 bytes

9. ME020127: Which Registry Keys are used when performing Reverse DNS Lookups?

SUMMARY Which registry keys are effected when RDNS lookup options are performed. DETAIL MailEnable queries the registry to determine whether it should perform a spam database lookup for an inbound hos...
/kb/content/article.asp?ID=me020127 - 4271 bytes

10. ME020403: Reverse DNS (RDNS) Blacklisting not working

SYMPTOMS Reverse DNS Blacklisting does not seem to be working. RESOLUTION Diagnostic Resources There are no specific logs that can be used to perform RDNS blacklisting other than the success or failur...
/kb/content/article.asp?ID=me020403 - 0 bytes

11. ME020048: DNS Records to create when hosting mail domains

Installation of MailEnable. In order for other Mail Servers and Clients to be able to send mail to your mail server, you will need to ensure that you have the appropriate published DNS records. These ...
/kb/content/article.asp?ID=me020048 - 0 bytes

12. ME020444: DNS considerations associated with migrating to a new MailEnable installation

SUMMARY An important consideration in migrating to a new e-mail server is the transition of the flow of e-mail to the new e-mail server. This article outlines important considerations regarding DNS/Ma...
/kb/content/article.asp?ID=me020444 - 0 bytes

13. ME020681: Which DNS SRV (Service Location) records should I create for a domain

OVERVIEW This article describes which SRV records should be created for a domain. These SRV records allow clients to automatically detect which host and port should be used for relevant domain service...
/kb/content/article.asp?ID=me020681 - 0 bytes

14. ME020392: How to define a Reverse DNS Blacklist that can be used by MailEnable to block spammer addresses

SUMMARY This article outlines how to integrate your own Reverse DNS Black List (RBL) with MailEnable. OVERVIEW MailEnable allows for two types of RBL lookups; these are called Zone lookups and Host lo...
/kb/content/article.asp?ID=me020392 - 3693 bytes

15. ME020206: PTR records and how to configure them

SUMMARY This article explains PTR records and how to configure them. DETAIL A Reverse DNS lookup is used by remote hosts to determine who 'owns' an IP address. For this to occur the 'owner' of the IP ...
/kb/content/article.asp?ID=me020206 - 0 bytes

16. ME020292: Using nslookup to check domain resolution

To check whether the the DNS you have entered in your SMTP options is valid,and able to perform lookups, you can use the nslookup utility to check adomain. Open the Windows Command Prompt Type in "NSL...
/kb/content/article.asp?ID=me020292 - 0 bytes

17. ME020161: Why is Reverse DNS Blacklisting not available on Windows NT 4.0?

Reverse DNS Blacklisting does not function under Windows NT4 and was therefore removed from the MailEnable Management Console (the underlying functionality is still configurable via the registry). The...
/kb/content/article.asp?ID=me020161 - 0 bytes

18. ME020202: Installing and configuring MailEnable

SUMMARY Guide to installing and configuring MailEnable. Includes basic pre and post installation requirements. DETAILConfiguring the environment Before installing MailEnable, ensure that the environme...
/kb/content/article.asp?ID=me020202 - 5879 bytes

19. ME020559: MailEnable iCal and CalDAV Support

SUMMARY The Apple iCAL client is particular about connecting to CalDAV and CardDAV servers (in that it typically requires the correct configuration of DNS infrastructure). It often does not give meani...
/kb/content/article.asp?ID=me020559 - 0 bytes

20. ME020677: Bounce messages are returning error "DNS lookup resulted in a loopback relay"

SYMPTOMS Messages to some recipients are causing a bounce message with the error: Reason: DNS lookup resulted in a loopback relay. This is not permitted and message has been returned. Please check rec...
/kb/content/article.asp?ID=me020677 - 0 bytes

21. ME020094: DNS Resolutions fail as Error: (0) with Professional 1.1

This article has been removed. Please try searching the knowledge base again....
/kb/content/article.asp?ID=me020094 - 572 bytes

22. ME020019: How do other mail servers locate my newly installed mail server?

SUMMARY If using MailEnable connected to the Internet, it is recommended to have a fixed IP address that is registered under your public DNS. Every domain registered on MailEnable should have mail exc...
/kb/content/article.asp?ID=me020019 - 3782 bytes

23. ME020271: How to create and manage an RDNS Blacklist Server

MailEnable allows you to configure its SMTP connector to undertake Reverse DNS Blacklist checks against commonly used Reverse DNS Blacklist Servers. These include blacklist like Spamcop, Spamhaus, etc...
/kb/content/article.asp?ID=me020271 - 0 bytes

24. ME020047: How to configure the infrastructure required to host a mail server

SUMMARY Many home users and small companies use an ISP for hosting mail infrastructure, and in-source their mail server. To effectively host a mail server, ensure that a permanent connection to the In...
/kb/content/article.asp?ID=me020047 - 6325 bytes

25. ME020180: PTR records are enabled but other mail servers cannot send mail to the server

SYMPTOMS PTR records are enabled but other mail servers cannot send mail to the server. CAUSE If PTR verification is enabled, the server may be unable to receive mail from some domains because these d...
/kb/content/article.asp?ID=me020180 - 2758 bytes

26. ME020026: Domain Resolution Error (-2147013894)

SUMMARY How to resolve Error (-2147013894) that is displayed in the SMTP log files. SYMPTOMS The SMTP Connector reports the following error: Domain Resolution Error (-2147013894) DETAIL This Domain Re...
/kb/content/article.asp?ID=me020026 - 1822 bytes

27. ME020084: Blacklisting mechanisms in MailEnable

SUMMARY Mechanisms within MailEnable for blacklisting remote mail servers. DETAIL SMTP Domain Blacklisting SMTP Domain Blacklisting allows the creation of a list of domains that are not permitted to s...
/kb/content/article.asp?ID=me020084 - 4425 bytes

28. ME020193: How to configure redundant or backup (MX) mail servers

There are two principal ways to configure redundancy with MailEnable. The simplest way to acheive redundancy is to install a copy of MailEnable as the master server. You can then install seperate copi...
/kb/content/article.asp?ID=me020193 - 0 bytes

29. ME020239: Unable to receive mail from remote mail servers

SUMMARY This article can help you diagnose why you are unable to receive mail from remote mail servers to any hosted domain/mailbox on the MailEnable server. DETAILFirstly, check any bounce message th...
/kb/content/article.asp?ID=me020239 - 3760 bytes

30. ME020345: Sender Policy Framework

Sender Policy Framework (SPF) is a method of detecting when an email sender is forging their sender address. It does this by confirming with the senders alleged domain (via DNS lookups) as to whether ...
/kb/content/article.asp?ID=me020345 - 0 bytes

31. ME020194: How to configure multiple mail domains under MailEnable

SUMMARY How to configure multiple domains under MailEnable. DETAIL MailEnable can define multiple domains under post offices. A post office is basically the same as an organisation, and hence, an orga...
/kb/content/article.asp?ID=me020194 - 3456 bytes

32. ME020354: Spam FAQ

SPAM Protection � Questions & Answers FAQ What is SMTP Domain Blacklisting? SMTP Domain Blacklisting allows you to create a list of domains that are not permitted to send mail to another domain. What ...
/kb/content/article.asp?ID=me020354 - 0 bytes

33. ME020453: URL Blacklisting may not detect all messages containing known spam URLs

SYMPTOMS MailEnable URL Blacklisting may not detect all messages containing known Spam URLs CAUSE Because it is expensive (in time and processing) to undertake RDNS lookups for URLs embedded within me...
/kb/content/article.asp?ID=me020453 - 0 bytes

34. ME020133: Why are messages to external domains not being sent?

SUMMARY How to interpret errors reported in the SMTP Debug Log File when sending to a remote server/domain. MailEnable SMTP Debug and Activity Logs can be accessed through the administration program u...
/kb/content/article.asp?ID=me020133 - 4367 bytes

35. ME020337: Could not resolve MX list for domain appears in my debug log

If you have trouble sending outbound mail, it typically relates to DNS or firewall issues. You can determine this by instpecting your logs and reviewing any errors reported when MailEnable is attempti...
/kb/content/article.asp?ID=me020337 - 0 bytes

36. ME020467: Mail server resides behind a proxy and keeps getting blacklisted because the HELO/EHLO greeting name does not resolve correctly

SYMPTOMS Example bounce: MailEnable: Message could not be delivered to some recipients. The following recipient(s) could not be reached: Recipient: [SMTP: email@domainname.com] Reason: Remote SMTP Ser...
/kb/content/article.asp?ID=me020467 - 0 bytes

37. ME020620: How to configure MailEnable to cater for Microsoft Outlook autodiscover requirements

SUMMARY This article provides information on how Microsoft Outlook auto discovers EAS services. INFORMATION When Microsoft Outlook tries to auto discover during the account setup process it will try t...
/kb/content/article.asp?ID=me020620 - 0 bytes

38. ME020624: How to configure MailEnable autodiscovery for compatibility across all client devices for all hosted domains

SUMMARY This article provides detail on how to configure MailEnable autodiscovery for compatibility across all client devices for all hosted domains within MailEnable. DETAIL When configuring autodisc...
/kb/content/article.asp?ID=me020624 - 0 bytes

39. ME020131: "Could not find mail server for domain" message in my SMTP debug log

SYMPTOMS "Could not find mail server for domain" message in the SMTP debug log CAUSE Possible causes are: A firewall is preventing access to this server Ensure that the server that is sending is not r...
/kb/content/article.asp?ID=me020131 - 3454 bytes

40. ME020317: Performance impacts on mail delivery

There are a large amount of configuration options which can affect the speed of receiving and delivery of messages, whether they be to local or remote addresses. This document outlines some of these i...
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41. ME020304: MailEnable Configuration - Best Practice

Disk IO Subsystem Note: The primary consideration in hosting any mail server is disk IO - asall mail servers can be very disk IO intensive when placed under load. Youshould consider SCSI, SERIAL ATA o...
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42. ME020318: How to diagnose inbound message delivery delays

SUMMARY Determining the cause of inbound message delivery delays. DETAIL Messages arrive to MailEnable via the SMTP Connector. To determine the time that the message was received by the SMTP Connector...
/kb/content/article.asp?ID=me020318 - 11590 bytes

43. ME020637: Configuring autodiscover for MAPI Connector 'Detect Settings' button

SUMMARY The MailEnable MAPI connector "Detect Settings" needs to have various server side configuration settings to be set. It performs various auto discovery tests that are very similar to how Outloo...
/kb/content/article.asp?ID=me020637 - 0 bytes

44. ME020003: Unable to send email to some domains, such as Hotmail, Yahoo, Gmail etc.

This article is relevant if you cannot send email to some of the larger mail servers, such as AOL, Hotmail, Yahoo, RoadRunner, etc but you are able to sendmail to some other domains. If your mail clie...
/kb/content/article.asp?ID=me020003 - 0 bytes

45. ME020376: Error code 0x800CCC0F is generated when sending mail from Microsoft Outlook

SYMPTOMS Error code 0x800CCC0F is generated when sending mail from Microsoft Outlook CAUSE This error is generated because the mail client (Outlook) is unable to contact the MailEnable server. The mos...
/kb/content/article.asp?ID=me020376 - 4456 bytes

46. ME020700: Signing messages with DKIM for non-local domains

SUMMARY You may need to sign messages with DKIM when the sending domain is not local. DETAIL Steps for this are: * Create a new postoffice in the administrator program, it does not matter what it is c...
/kb/content/article.asp?ID=me020700 - 0 bytes

47. ME020503: The Windows Firewall has detected an application listening for incoming traffic.

SYMPTOMS The windows event log viewer for the "Security" events may display the following "Failure Audits": The Windows Firewall has detected an application listening for incoming traffic. Name: - Pat...
/kb/content/article.asp?ID=me020503 - 0 bytes

48. ME020691: How to configure ActiveSync without autodiscover

SUMMARY While autodiscover is the standard way for email clients to determine the ActiveSync settings needed, sometimes you may require that ActiveSync is configurable without requiring an SSL autodis...
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49. ME020014: MailEnable will not send mail to remote mail servers

SUMMARY Explains the various reasons why MailEnable would be unable to send to remote servers, and the possible solutions. DETAILWhen sending mail to a remote mail server the message is placed in Mail...
/kb/content/article.asp?ID=me020014 - 6982 bytes

50. ME020622: How to configure MailEnable to cater for autodiscover requirements on a pure Android device

SUMMARY This article provides information on how to configure MailEnable to cater for pure Android devices autodiscover requirements INFORMATION When a pure android client autodiscovers during the ema...
/kb/content/article.asp?ID=me020622 - 0 bytes

51. ME020198: How to configure mail clients when accessing MailEnable via POP or IMAP and SMTP

SUMMARY How to configure email clients to access MailEnable's POP or IMAP and SMTP. DETAILEnsure the correct credentials are being used to authenticate against the server. MailEnable services require ...
/kb/content/article.asp?ID=me020198 - 3104 bytes

52. ME020586: How to configure MailEnable spam options to provide an effective spam protection service.

SUMMARY The spam protection script filter uses various criterias in order to calculate the positive and negative weighting to apply the correct spam score header to add to the message headers. To make...
/kb/content/article.asp?ID=me020586 - 0 bytes

53. ME020148: How to diagnose outgoing mail problems and delivery delay notifications

SUMMARY How to diagnose outgoing mail problems and delivery delay notifications. If it is possible to send mail locally (from one account to another on the server) but are not able to send mail outsid...
/kb/content/article.asp?ID=me020148 - 7679 bytes

54. ME020276: How to force MailEnable to deliver to an external address over local delivery

MailEnable will always check for local delivery above sending the message to any remotely configured DNS sites, and therefore you need to use a system utility to override this behaviour. The MEROUTE u...
/kb/content/article.asp?ID=me020276 - 0 bytes

55. ME020429: How to specify the host name that MailEnable reports when sending outbound mail

SUMMARY When MailEnable attempts to connect to a remote mail server, it will announce its host name as part of the outbound mail transaction. Many mail hosts will use this field to validate the authen...
/kb/content/article.asp?ID=me020429 - 0 bytes

56. ME020529: How do messages end up in the mailbox Junk E-Mail folder

SYMPTOMS Messages are being delievered to the mailbox Junk E-Mail folder. CAUSE There is no global option within MailEnable that will automatically deliver a message to a mailboxes "Junk E-Mail" folde...
/kb/content/article.asp?ID=me020529 - 0 bytes

57. ME020674: macOS XMPP/Jabber Chat (Messages for Mac) Configuration

SUMMARY This article explains how to configure MacOS XMPP Chat (Messages) to connect with MailEnable (Version 10 and later). MAC / OS CONFIGURATION 1. Launch the macOS Messages application 2. Choose A...
/kb/content/article.asp?ID=me020674 - 0 bytes

58. ME020181: How to tune the SMTP Connector for bulk mailouts.

SUMMARY How to tune and configure the SMTP connector for better throughput when sending a large number of messages. DETAILThe SMTP connector queries messages from the SMTP outgoing queue and sends the...
/kb/content/article.asp?ID=me020181 - 9986 bytes

59. ME020391: Spam Frequently Asked Questions

SUMMARY This FAQ covers all of the features and benefits of the inbuilt MailEnable SPAM protection. The document also answers some questions that MailEnable support often receive in regards to SPAM pr...
/kb/content/article.asp?ID=me020391 - 0 bytes

60. ME020517: The following error is displayed within a MailEnable bounce message: ME-E0193

SYMPTOMS When sending to remote servers the following bounce message is returned to the MailEnable sender. MailEnable: Message Delivery Failure. Reason: ME-E0193: [(MailEnable_messageID).MAI] Message ...
/kb/content/article.asp?ID=me020517 - 0 bytes

61. ME020132: How to access web administration

SUMMARY How to correctly setup an account to access the web administration interface. DETAILIf MailEnable Professional or Enterprise Edition have been installed with web administration, then the follo...
/kb/content/article.asp?ID=me020132 - 3026 bytes

62. ME020140: Mail is still being received from blacklisted domains (spoofed emails)

SUMMARY Considerations in blocking SPAM and how e-mail messages can be 'spoofed' to appear to come from someone other than their actual sender. DETAIL Sometimes it is difficult to validate the actual ...
/kb/content/article.asp?ID=me020140 - 3917 bytes

63. ME020470: Duplicate messages arrive at local users mailbox

SYMPTOMS Local or remote recipients may receive duplicate copies of messages. CAUSE There are two likely causes of this issue, each of which are explained below: URL Blacklisting DNS Lookup Timeouts I...
/kb/content/article.asp?ID=me020470 - 0 bytes

64. ME020632: How to prevent loss of incoming mail when using the Migration Capture utility

SUMMARY This article explains how to configure a domain level smart host to prevent loss of incoming mail when using the Migration capture utility. DETAIL The recommended procedure when configuring a ...
/kb/content/article.asp?ID=me020632 - 0 bytes

65. ME020695: How to configure autodiscover for multiple domains using one SSL certificate

SUMMARY You may need to configure autodiscover for multiple domains, but only wish to maintain one SSL certificate. This article describes how to do this. You will need the following: 1) Spare IP addr...
/kb/content/article.asp?ID=me020695 - 0 bytes

66. ME020106: Using MailEnable to check viruses and do Realtime Blackhole List (RBL) lookups in a Microsoft Exchange environment?

SUMMARY How to use MailEnable to check for viruses and perform Realtime Blackhole List (RBL) lookups in a Microsoft Exchange environment. DETAIL The required configuration changes follow: Exchange (20...
/kb/content/article.asp?ID=me020106 - 4353 bytes

67. ME020134: Diagnosing Outlook/Outlook Express Error Codes

SUMMARY Common Outlook/Outlook Express error codes that may be returned when attempting to send, receive or access mail. DETAIL Outlook/Outlook Express Error Codes: Error Service Description 0x800CCCF...
/kb/content/article.asp?ID=me020134 - 7631 bytes

68. ME020215: MailEnable Diagnostic Utility reports Invalid System Entries

SYMPTOMS When running the MailEnable Diagnostic Utility it fails in the Configuration and Data Test with the error "Invalid System Entries". CAUSE This error can mean that the ADDRESS-MAP.TAB configur...
/kb/content/article.asp?ID=me020215 - 4920 bytes

69. ME020678: How to Configure SSL for Web and Messaging Services

OVERVIEW This article provides recommendations for configuring SSL host/alternate subjects for web and email services. It outlines typical SSL IP address scenarios and provides suggestions for configu...
/kb/content/article.asp?ID=me020678 - 0 bytes

70. ME020718: Load balancing a MailEnable cluster

SUMMARY MailEnable Enterprise and Enterprise Premium support clustering two or more mail servers. When clustering, ideally you also would want to load balance the services, to give high availability i...
/kb/content/article.asp?ID=me020718 - 0 bytes

71. ME020075: Troubleshooting mail client connectivity to MailEnable

SUMMARY Troubleshooting mail client connectivity to MailEnable. DETAILWhen configuring a mail client to point to the server MailEnable is running on, it should be possible to send and receive a self a...
/kb/content/article.asp?ID=me020075 - 5336 bytes

72. ME020166: How does a server get blacklisted and how to get removed from blacklists

SUMMARY How to prevent the server getting blacklisted and to get removed from a blacklist database. DETAILSpam is a huge problem on the Internet and as a mail server operator it is important to take r...
/kb/content/article.asp?ID=me020166 - 5157 bytes

73. ME020241: Messages sent to remote servers appear in the Junk Mail folder

SYMPTOM Messages sent to remote server from a MailEnable server appear in the recipients junk mail or spam folder. This is happening for messages sent to domains such as Gmail, Outlook.com, Yahoo, etc...
/kb/content/article.asp?ID=me020241 - 5842 bytes

74. ME020422: Advanced migration of a clustered MailEnable configuration from one server to another server

SUMMARY This article outlines how to migrate MailEnable's configuration and message store from one server to another in a clustered environment. DETAIL STEP 1: Installing and Clustering the Server 1. ...
/kb/content/article.asp?ID=me020422 - 0 bytes

75. ME020054: Setting up MailEnable in a corporate environment

SUMMARY How a corporate can configure MailEnable Professional to provide internal and external/internet messaging. The article describes an optimal configuration for MailEnable to provide an integrate...
/kb/content/article.asp?ID=me020054 - 9243 bytes

76. ME020207: How to manually test if an SMTP server can receive email

SUMMARY Troubleshooting server connectivity and how to test if MailEnable can send to remote servers. DETAILMany ISP's block outbound SMTP traffic to ensure that spammers do not abuse their service. T...
/kb/content/article.asp?ID=me020207 - 6290 bytes

77. ME020651: Purchasing Frequently Asked Questions

SUMMARY This artcle outlines frequently asked sales questions. DETAIL I am changing servers and I need a new license key, how do I get one? Please see this article for full details: http://www.mailena...
/kb/content/article.asp?ID=me020651 - 0 bytes

78. ME020073: How to copy or migrate MailEnable configuration and data from one server to another

SUMMARY This article outlines how to copy or migrate a MailEnable installation from one machine to another. DETAILMailEnable stores the majority of configuration information in text files. Thefore the...
/kb/content/article.asp?ID=me020073 - 13577 bytes

79. ME020032: SMTP Connector Inbound Response Codes

SUMMARY This article describes the various SMTP return codes that senders may receive when communicating with the SMTP service. DETAILThe easiest way to determine why inbound messages are not being pr...
/kb/content/article.asp?ID=me020032 - 45885 bytes

80. ME020023: How to Cluster MailEnable

SUMMARY MailEnable Enterprise and Enterprise Premium support being run in a cluster of two or more Microsoft Windows servers. Clustering your Windows servers allows you to add additional servers to yo...
/kb/content/article.asp?ID=me020023 - 7294 bytes

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