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Old 07-19-2011, 10:52 PM   #1
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Default Error when sending email - 550 Access Denied (Invalid Helo name)

Hello!

I have the following error when I send e-mails:

Code:
SIZE=2442:
    host ******* [83.170.**.**]: 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)
> ------ This is a copy of the message, including all the headers. ------ Return-path: <support@******.com> Received: from ****** ([**.154.**.33] helo=[127.0.0.1])
It happens with both webmail and thunderbird.

How can I solve this?
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Old 07-20-2011, 06:39 AM   #2
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Helo, write please version of your OS and which MTA do you use.
And copy log of MTA from here
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Old 07-20-2011, 04:28 PM   #3
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My OS is Debian 6 and my MTA is Exim4.

This is the e-mail I receive from my Mail Delivery System after failing (the subject is Mail delivery failed.

Code:
This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  mail@*****.co.uk
    SMTP error from remote mail server after MAIL FROM:<support@****.com> SIZE=2442:
    host *****.co.uk [83.170.77.63]: 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)
> ------ This is a copy of the message, including all the headers. ------ Return-path: <support@*****.com> Received: from *****.pt ([89.154.35.33] helo=[127.0.0.1]) by buzzrain with esmtpa (Exim 4.72) (envelope-from <support@*****.com>) id 1QjG7q-0000ZF-0f for mail@******.co.uk; Tue, 19 Jul 2011 20:38:38 +0100
And this is the log from /var/log/exim4:

Code:
2011-07-20 14:21:46 1QjWig-0004Ak-9C <= support@*****.com H=a89-154-*****.pt ([127.0.0.1]) [89.**.35.**] P=esmtpa A=cram:support@******.com S=1136 id=4E26D66F.6030502@*****.com from <support@*****.com> for mail@****.co.uk
2011-07-20 14:21:46 1QjWig-0004Ak-9C TLS error on connection to ****.co.uk [83.***.77.***] (recv): A TLS packet with unexpected length was received.
2011-07-20 14:21:46 1QjWig-0004Ak-9C TLS error on connection to *****.co.uk [83.**.77.**] (send): The specified session has been invalidated for some reason.
2011-07-20 14:21:46 1QjWig-0004Ak-9C ** mail@****.co.uk R=dnslookup T=remote_smtp: SMTP error from remote mail server after MAIL FROM:<support@****.com> SIZE=2191: host *****.co.uk [83.***.77**]: 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)
2011-07-20 14:21:46 1QjWig-0004An-OQ <= <> R=1QjWig-0004Ak-9C U=Debian-exim P=local S=2098 from <> for support@****.com
2011-07-20 14:21:46 1QjWig-0004Ak-9C Completed
2011-07-20 14:21:46 1QjWig-0004An-OQ => support (support@*****.com) <support@****.com> R=procmail T=procmail_pipe
2011-07-20 14:21:46 1QjWig-0004An-OQ Completed
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Old 07-21-2011, 02:39 PM   #4
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Maybe this thread can help you?
http://www.webhostingtalk.com/showthread.php?t=856221
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Old 07-22-2011, 01:46 AM   #5
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I've already seen that thread but I don't know where I should the FQDN domain. Exim has so much conf files I just don't know where.
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Old 07-22-2011, 05:18 PM   #6
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Check your server hostname it should be resolved in DNS and have PTR record
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