![]() ![]() If a SMTP client tries to use the command VRFY, hMailServer responds with this error code. If the client does not do this, hMailServer responds with this error message. If a SMTP client tries to use a command which hMailServer has no implementation for, this error message is sent to the client.Īfter a SMTP client has connected to a SMTP server, the first thing it should do is to identify itself using the HELO or EHLO command. hMailServer does not include support for the TURN verb. If a SMTP client tries to use the TURN command hMailServer responds with this error code. This error message is issued if the domain address given in the HELO command does not have the correct syntax. This error message is issued if the domain address given in the EHLO command does not have the correct syntax. This error typically indicates a client defect or a hacking attempt. If a SMTP client sends a SMTP command which hMailServer considers beeing too long, hMailServer issues this error. This error message is issued if grey listing is enabled, and the sender, recipient and IP address triplet does not match an existing greylisting triplet. A client should never do this, but incorrectly configured clients could cause this problem. This error is generated by hMailServer if a client sends a large chunk of data to hMailServer not containing a newline character (command terminator). ![]() ![]() The SMTP timeout in hMailServer is 10 minutes.Ĥ21 Excessive amounts of data sent to server. Both hMailServer Administrator and the PHP web-based frontend uses the COM API to manage the server.If there is a timeout while hMailServer is waiting for a command from the SMTP client, this error message is sent to the client before hMailServer disconnects the client. For example, you can integrate hMailServer into your current IT-systems so that new employees automatically get email accounts. Using the COM library, it's possible to write scripts and full applications that utilize the features in hMailServer. HMailServer comes with a COM library that can be used for integration with other software. Configuring hMailServer to use ClamAV only takes a single click! The server also supports black list servers and other spam-stopping mechanisms such as SPF and MX lookups. It also supports the very popular open source virus scanner ClamAV. HMailServer is pre-configured to have high security when it comes to relaying and authentication so that no one can use your server to send spam messages. This makes the server compatible with most email clients available. HMailServer supports the open email standards POP3, SMTP and IMAP4. ![]() As a user of hMailServer, you get continuous updates and great support from other users and developers in the forum. HMailServer provides all of the important functionality you need to run your own e-mail server. RoundCube and SquirrelMail are popular webmail systems which are often used with hMailServer. It can also be integrated with 3rd party anti spam systems such as SpamAssassin and ASSPĪny webmail system which supports IMAP and SMTP can be used with hMailServer. HMailServer comes with a set of built-in anti spam features such as SPF, SURBL. It has flexible score-based spam protection and can attach to your virus scanner to scan all incoming and outgoing email. It supports the common email protocols (IMAP, SMTP and POP3) and can easily be used with many web mail systems. Open source mail server for Microsoft Windows Server, a great replacement for Microsoft Exchange Server. HMail Email Server on Windows Server 2016 (IMAP, SMTP, POP3) Solution ![]()
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