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Ehlo Syntax Error Command Unrecognized

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Do you have an idea for fix it? Folding Numbers Can two different firmware files have same md5 sum? 2048-like array shift English equivalent of the Portuguese phrase: "this person's mood changes according to the moon" Topology and the By creating an account, you're agreeing to our Terms of Use, Privacy Policy and to receive emails from Spiceworks. more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science http://strongboxlinux.com/syntax-error/ehlo-500-syntax-error-command-unrecognized.php

In the meantime I've been stopping SMTP scanning on UT when needing to ETRN but would like to get back to an automated approach to requesting mail de-queue while getting the Internally, if I telnet to the gwia and type "ehlo" then correctly get the expected output like: 220 mail.domain.com ready ehlo 250-mail.domain.com 250-AUTH LOGIN 250-8BITMIME 250-DSN 250 STARTTLS However, from outside, Top ccampbell New user Posts: 1 Joined: 2005-10-04 20:02 Contact: Contact ccampbell Website AOL Quote Postby ccampbell » 2005-10-04 21:49 I too was having this exact problem and this seems to http://exchangedeepthoughts.blogspot.com/2007/10/esmtp-and-pix-firewalls.html Marked as answer by Rock Wang– MSFT Monday, December 29, 2008 1:20 AM Thursday, December 04, 2008 4:35 PM Reply | Quote 0 Sign in to vote   Dear customer: https://forums.untangle.com/spam-blocker-lite/11872-telnet-smtp-session-ehlo-helo-500-syntax-error.html

500 Syntax Error Command Unrecognized

In my case, telnet session crosses my firewall. 220 ************************************************************************************************************************** helo 250 mail.my-domain.com Hello [172.31.1.10] Or with the ehlo: 220 ************************************************************************************************************************** ehlo 250-mail.my-domain.com Hello [172.31.1.10] 250-XXXA 250-SIZE 250-ETRN 250-PIPELINING 250-DSN 250-ENHANCEDSTATUSCODES Stopping time, by speeding it up inside a bubble What is the difference between a pending transaction and a queued transaction in the geth mempool? All Rights Reserved.

Check & follow below KB article... Any idea? 10-07-2009,08:57 PM #3 hinzinho Untangler Join Date Sep 2007 Posts 43 If you have a Cisco Router, try turning off the SMTP firewall. 10-07-2009,09:18 PM #4 mencargo Master Untangler Note: The mail service will be listening for your connection on TCP port 25. The Remote Server Returned An Error (500) Syntax Error Command Unrecognized But this information will not be important until you see some Perl code later in the chapter.

The complete list of reply codes is shown below: (you'll never see most of them if you program your mail server correctly!!) 211 -- A system status or help reply. 214 500 Syntax Error Command Unrecognized Ftp Any idea? 10-29-2009,09:54 AM #7 sharrisonUK Untangler Join Date Mar 2009 Posts 39 Hi gueutzilla Did you find a solution to this? About Advertising Privacy Terms Help Sitemap × Join millions of IT pros like you Log in to Spiceworks Reset community password Agree to Terms of Service Connect with Or Sign up All rights reserved.Newsletter|Contact Us|Privacy Statement|Terms of Use|Trademarks|Site Feedback TechNet Products IT Resources Downloads Training Support Products Windows Windows Server System Center Browser   Office Office 365 Exchange Server   SQL Server

SMTP uses several commands to communicate with mail servers. Syntax Error Command Unrecognized Smtp Board index All times are UTC - 8 hours [ DST ] Login FAQ / Rules Register Search Boards : Knowledge Base: knowledge base chat about fr ja es mozillaZine is share|improve this answer answered Mar 29 '14 at 1:02 Wumpus Q. cf.ac.uk.

500 Syntax Error Command Unrecognized Ftp

In the following conversation, the '>' lines are the SMTP commands that your program issues. https://www.cs.cf.ac.uk/Dave/PERL/node175.html RSETAborts the current conversation. 500 Syntax Error Command Unrecognized Some of them acts like a firewall and block you out. 500 Syntax Error Command Unrecognized Smtp You said "...usually to companies..."  There are other "bad" addresses?  Do they have anything in common?  Also, do you have any type of outgoing filters other than virus scans that may

I am using hMail 4.1-B136 on Windows 2003 server with MSSQL 2000 database and Thunderbird 1.0.6. http://strongboxlinux.com/syntax-error/el-syntax-error-jsp.php Attention: Support and help on the Untangle Forums is provided by volunteers and community members like yourself. No, thanks Home Skip to Content Attachmate Borland Micro Focus Novell NetIQ Micro Focus Forums Today's Posts Mark All Forums Read Forum New Posts FAQ Calendar Community Groups Member List Forum If you have it installed with the standart options you have strong internet security activated and maybe SMTP and IIS Components (depending on settings from the Hardwarevendor if a kind of 500 Syntax Error Command Unrecognized Filezilla Server

These commands are described below. asked 2 years ago viewed 1672 times active 2 years ago Related 0“Could not open connection to the host” error when trying to send email using telnet1Telnet-ing to alternative SMTP port: The '<' lines are the mail server's replies. >HELO <250 sentinel.cs.cf.ac.uk Hello [email protected] [X.X.X.X],pleased to meet you >MAIL From: <(Ralph Martin)> <250 <(Ralph Martin)>... his comment is here Disable it for a moment, and if it does the trick check the Xunlei/KuGoo threads.

This link has more details if you are interested: http://support.microsoft.com/default.as ... 27&gssnb=1 Top Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending Smtp Port If this is your first visit, be sure to check out the FAQ by clicking the link above. I have thunderbird set up to user the email address and password and I set the username to my email address.

Thanks again!

Now I am really confused. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the We're not affiliated or endorsed by the Mozilla Corporation but we love them just the same. Mxtoolbox It's likely that this is some kind of software that tries to prevent "evil software" from exploting security issues in your server software.

If you need Untangle support please call or email [email protected] 11-12-2009,06:02 AM #9 sharrisonUK Untangler Join Date Mar 2009 Posts 39 Thanks for the quick reply mrunkel - in haste I Spiceworks Originals We have some things for you to check out and tell us about. © Copyright 2006-2016 Spiceworks Inc. Would a donation speed up the queue for that feature? weblink RCPT -- Indicates who is recieving the mail.

Top martin Developer Posts: 6773 Joined: 2003-11-21 01:09 Location: Sweden Contact: Contact martin Website Quote Postby martin » 2005-10-04 21:51 2 in less than a week. Store the message and try again tomorrow or in a few days-after the user gets a chance to delete some messages. 553 -- The mail address that you specified was not Page 1 of 2 12 Last Jump to page: Results 1 to 10 of 11 Thread: Telnet smtp session ehlo/helo 500 Syntax error LinkBack LinkBack URL About LinkBacks Thread Tools Show Begg ([email protected]) imf17.b.hostedemail.com gave this error: Syntax error, command unrecognized A problem occurred during the delivery of this message to this e-mail address.

See below.can anyone tell me the exact error message? I am not using any SMTP proxy or gateway that I know of at least. Chip If you would like to refer to this comment somewhere else in this project, copy and paste the following link: SourceForge About Site Status @sfnet_ops Powered by Apache Allura™ Find Code: Select all"SMTPD" 3996 "2005-09-28 08:08:20.859" "192.168.1.101" "SENT: 220 mail.domain.com ESMTP"
"SMTPD" 3996 "2005-09-28 08:08:20.859" "192.168.1.101" "RECEIVED: XXXX [192.168.1.101]"
"SMTPD" 3996 "2005-09-28 08:08:20.859" "192.168.1.101" "SENT: 502 Use helo/ehlo first."
"SMTPD" 3996

If I were you, I would try to figure out why your client sends XXXX instead of EHLO/HELO. If your client uses SMTP authentication, it should send EHLO [192.168.1.01] (yes "EHLO") and not XXXX [192.168.0.1]. Browse other questions tagged firewall smtp telnet cmd.exe . When this information has been gathemiles, you begin the process of transferring the information to a mail server.

Does anyone have any ideas?   Thanks!! For example, RCPT TO: . What is the most befitting place to drop 'H'itler bomb to score decisive victory in 1945?