Ehlo 500 Syntax Error Command Unrecognized
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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 Printable Version 10-07-2009,06:37 AM #1 gueutzilla Untangler Join Date May 2008 Posts 38 Telnet smtp session ehlo/helo 500 Syntax error Hello, I have a little problem with syntax error command unrecognized smtp my UT 7.0. When I try to send a test mail via Telnet from internet, everytime, the first helo or ehlo command failed with this message 220 ************************************************************************************************************************* helo 500 Syntax error, command unrecognized helo 250 mail.my-domain.com Hello [84.102.XXX.XXX] or 220 ************************************************************************************************************************** ehlo 500 Syntax error, command unrecognized ehlo 250-mail.my-domain.com Hello [84.102.XXX.XXX] 250-SIZE 250-DSN 250-VRFY 250-AUTH GSSAPI NTLM LOGIN 250 AUTH=LOGIN This error appear only from internet when the session crosses UT!!! Do you have an idea for fix it? Thanks a lot. 10-07-2009,09:52 AM #2 gueutzilla Untangler Join Date May 2008 Posts 38 I have try to disable Spam Blocker and establish a telnet session... Same error!!! 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 Join Date May 2009 Location Mexico City Posts 121 Are you using Protocol Control? Disable it for a moment, and if it does the trick check the Xunlei/KuGoo threads. Do you have Firewall r
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or filezilla windows firewall posting ads with us Super User Questions Tags Users Badges Unanswered Ask Question _ Super User filezilla sftp server setup is a question and answer site for computer enthusiasts and power users. Join them; it only takes a minute: Sign up Here's how it works: ftp over tls Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top telnet 500 Syntax error, command unrecognized up vote 0 down vote favorite I'm trying to send email using telnet in cmd. I https://forums.untangle.com/spam-blocker-lite/11872-telnet-smtp-session-ehlo-helo-500-syntax-error.html have connection with telnet now C:\Users\Student>telnet alt3.gmail-smtp-in.l.google.com 25 then it brought me here: 220 mx.google.com ESMTP c8si3296343qgc.94 - gsmtp I then type helo to make sure I'm connected which I should get a 250 ehlo 250-mx.google.com at your service, [103.16.169.202] 250 SIZE 35882577 The next command after receiving the 250 should be: mail from:
MailEnable Enterprise Edition 500 Syntax error, command unrecognized Post Reply Search Advanced search http://forum.mailenable.com/viewtopic.php?t=28218 2 posts • Page 1 of 1 jake-ptg Posts: 2 Joined: Wed Jan 21, 2015 11:42 pm 500 Syntax error, command unrecognized Quote Postby jake-ptg https://forums.novell.com/showthread.php/461737-ehlo-failing » Thu Jan 22, 2015 12:17 am I have some customers that can not send to some addresses. Trace results show a 500 5.5.2 unrecognized syntax error command. See below.can anyone tell me the exact error message? the only thing I find while doing some searches is that the recipient box is full or something of that nature. I have ruled that out.please help with this error code.Trace: Tracing message with Message ID [CE9378CF5CC14184BF1D1026F3A29365.MAI] from the SMTP syntax error command Inbound QueueStatus: Message ID [CE9378CF5CC14184BF1D1026F3A29365.MAI] was routed by the MTA from the SMTP Inbound Queue to 1 destination queue(s)01/08/15 11:10:41 Queue Route: Message ID [CE9378CF5CC14184BF1D1026F3A29365.MAI] was routed by the MTA from the SMTP Inbound Queue to the SMTP Connector (SMTP) Outbound Queue with a Message ID of [7404E19E85744C56A99129E1901F72B9.MAI]Fork/Split: Message ID [7404E19E85744C56A99129E1901F72B9.MAI] requeued/split into 2 messages for delivery to target domains. Queued: Message ID [7404E19E85744C56A99129E1901F72B9.MAI] queued for delivery to the domain [email.com] at the SMTP Outbound Queue with a new Message ID of [3346B76984E34308BA650B3F39751175.MAI]Status: SMTP Outbound Delivery details for Message ID [3346B76984E34308BA650B3F39751175.MAI] to domain [bbmassociates.com] follow below: 01/08/15 11:10:46 SMTP-OU 3346B76984E34308BA650B3F39751175.MAI 1604 xx.xxx.xxx.xx CONN 220 Welcome to Time Warner Cable Business Class. NO UCE *** FOR AUTHORIZED USE ONLY! *** 0 90 someemail@email.com test01/08/15 11:10:47 SMTP-OU 3346B76984E34308BA650B3F39751175.MAI 1604 xx.xxx.xxx.xx EHLO EHLO mail.parkertechgroup.com 250 cdptpa-bc-iedgelb.mail.rr.com says EHLO to 184.2.36.226:29873 31 67 someemail@email.com test01/08/15 11:10:47 SMTP-OU 3346B76984E34308BA650B3F39751175.MAI 1604 xx.xxx.xxx.xx MAIL MAIL FROM: Site Leaders Articles Blogs What's New? FAQ Advanced Search Forum PRODUCT RELATED DISCUSSIONS COLLABORATION GroupWise GroupWise 2012 GW2012: GWIA ehlo failing You can view the discussions, but you must login before you can post. Click the LOGIN link in the forum header to proceed. To start viewing messages, select the forum that you want to visit from the selection below. If this is your first visit, be sure to check out the FAQ by clicking the link above. Results 1 to 4 of 4 Thread: ehlo failing Thread Tools Show Printable Version Subscribe to this Thread… Display Switch to Linear Mode Switch to Hybrid Mode Threaded Mode Threaded View 17-Nov-2012,09:31 AM #1 gmarsh View Profile View Forum Posts Private Message View Blog Entries View Articles Senior Member Join Date Feb 2008 Posts 167 ehlo failing Weird problem here, newly configured gwia. 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, ehlo fails: 220 mail.domain.com ready ehlo 500 Syntax error, command unrecognized ehlo test.com 503 Bad sequence of commands helo 500 Syntax error, command unrecognized helo test.com 250 mail.domain.com Ok So from outside, only "helo somedomain" succeeds. I am pretty sure this is a hosts problem; in consoleone GWIA the A record is configured correctly and external DNS resolves to the gwia public IP Internally, I had a hosts file entry that pointed to the internal IP of the mail server on the gwia machine, but even if I remark it (so that it resolved to the external IP) and restart the gwia, I have the same problem. It's not access control, I removed gwac.db for testing, but same result. I have another similarly configured GW and it works fine. Thanks for any hints! Reply With Quote « Previous Thread | Next Thread » Bookmarks Bookmarks Twitter Facebook Google Digg del.icio.us StumbleUpon Posting Permissions You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is Off [VIDEO] code is Off HTML code is Off Forum Rules Contact Us Micro Focus Discussion