How To Change Outgoing HELO
Jun 30, 2009
Problem: I am using to my Centos/Exim/Cpanel server to relay emails. The person who receives my email sees a helo that captures my ISP IP address and lastly the mail server for my domain along with its IP.
My ISP (Verizon) IP is constantly being flagged as a spam source by a variety of RBL's.
My domains have never sent spam and I only send a low volume of emails.
How can I remove my ISP helo IP address from being added to my outgoing email so that the only IP is the IP of domain sending the email?
Example Header:
Quote:
Received: from c-99-172-221-252.hlvd.va.verizon.net ([99.172.221.252]:3389 helo=[127.0.0.1]) <-- remove this part
by server.myserver.com with esmtpa (Exim 4.69)
(envelope-from <email@mydomain.com>)
id 1MLoYc-0004Ol-20
for friend@hotmail.com; Tue, 30 Jun 2009 21:24:18 -0400
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May 14, 2009
I;m running a cPanel server on CentOS5 and I have multiple IP's
I want to change the IP address that outgoing traffic will use by default and make that change permanent.
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Jan 12, 2015
I have set the values for outgoing mail control low enough to catch the problems without affecting all but one of my clients. I have given him increased limits on certain of his mailboxes.
However when he wants to modify the mailbox, for example change the password he gets the following error.
The maximum number of outgoing email messages (in a pink box)
"The value must be in the range 0..50. Only the Plesk administrator can adjust this setting."
He cannot change the password for this mailbox.
Is there anyway of setting a custom limit on an account and also allow the client to retain the ability to reset his own password.
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Mar 11, 2015
I wonder if there is any chance to change the domain that is being shown as the incoming/outgoing mail server to users of the Plesk Panel, when clicking on the "Info"-Icon near an e-mail-account in the mail list (see screenshot).
We only have a SSL certificate for one domain and want our customers to use this domain in their mail client settings, so that the client trusts the domain.
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Jun 29, 2015
As the admin user, change the setting for a particular email account called "The maximum number of outgoing email messages" to a value beyond the default. For example if the default is 35, set it to 75. This is common -- often we have customers who send larger quantities of messages than the average user.
Login as a reseller with access to manage the email account and attempt to change any *other* value. For example, you could completely ignore the outgoing mail messages value and change just the Auto-Reply value
Plesk refuses to allow the change and kicks me back to the first tab with the following error:
The value must be in the range 0..35. Only the Plesk administrator can adjust this setting.Click to expand...
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Jan 8, 2008
I am on a VPS and set everything up myself. When I try and email a friend, I get it bounced back with the following message (with his email filtered):
<<< 550-5.7.1 {mx078} Sorry, your helo has been denied. <<< 550 5.7.1 [url] 550 5.1.1 <**********@gmx.co.uk>... User unknown
I'm pretty sure the user isn't unknown, I have checked and it is his email address. Can anyone tell me what is wrong, and if the problem is on my end or his, and if my end how I might go about fixing it?
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Apr 3, 2008
I'd like to look at what my HELO configuration is but don't know how or where to look.
I am using a dedicated Linux/cPanel server. I'd like to make sure the HELO is configured correctly. My mailing software is EXIM.
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Jan 6, 2007
!verify = helo
!verify = reverse_host_lookup
in exim acl and drop message if helo is not passed.
But one issue is this validates for users even having account in the server and trying to send mail using server account to someone else
I want to put validation for only incoming mails "to" this server
What i dont want is to validate the mails that authenticated smtp users send
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Aug 28, 2007
I have a dedicated linux/cpanel server running various websites with the shared ip and one website with a dedicated ip.
But when sending mail through sendmail from the dedicated ip website the ip in the helo greeting is not matching the ip of the sender, it is using the main shared ip rather than the dedicated ip which is producing a 550 error from some receiving mail servers. I have racked my brains trying to figure this out and was wondering if anyone else has/had a similar experience and found a solution.
By the way the helo greeting sent in mail from the shared ip websites is fine...
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Nov 29, 2007
I seem to be having a problem with domain forwarding in cPanel.
I have 3 cPanel accounts:
1) foobar.com.np with a POP3 account and forwarders for info@foobar.com.np. Works fine.
2) foobar.com with domain forwarding to foobar.com.np. Works fine too when I send an email to info@foobar.com.
3) foo.com.np with domain forwarding to foobar.com.np. Doesn't work! When I send a message to info@foo.com.np I get the following message in my Exim log:
Code:
2007-11-29 04:11:32 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1IxgMm-0007DW-0m
2007-11-29 04:11:32 1IxgMm-0007DW-0m ** info@foo.com.np R=lookuphost T=remote_smtp: SMTP error from remote mail server after MAIL FROM:<noreply@********.com> SIZE=2059: host foo.com.np [74.86.*.*]: 554 5.7.1 Helo invalid(forged)
2007-11-29 04:11:32 cwd=/var/spool/exim 7 args: /usr/sbin/exim -t -oem -oi -f <> -E1IxgMm-0007DW-0m
2007-11-29 04:11:32 1IxgMm-0007Da-Bd <= <> R=1IxgMm-0007DW-0m U=mailnull P=local S=2006 T="Mail delivery failed: returning message to sender"
2007-11-29 04:11:32 1IxgMm-0007DW-0m Completed
...
As you can see, this domain forwarder is not functioning like the other one (foobar.com) since the domain forwarder for foobar.com DOES actually work:
Code:
2007-11-29 03:58:21 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1IxgA0-0002Gs-Vb
2007-11-29 03:58:21 1IxgA0-0002Gs-Vb => info <info@foobar.com> R=virtual_user T=virtual_userdelivery
2007-11-29 03:58:22 1IxgA0-0002Gs-Vb => *******@gmail.com <info@foobar.com> R=lookuphost T=remote_smtp H=gmail-smtp-in.l.google.com [209.85.133.27]
2007-11-29 03:58:22 1IxgA0-0002Gs-Vb -> *******@gmail.com <info@foobar.com> R=lookuphost T=remote_smtp H=gmail-smtp-in.l.google.com [209.85.133.27]
2007-11-29 03:58:22 1IxgA0-0002Gs-Vb Completed
It looks like Exim doesn't know that emails sent to info@foo.com.np should be a local delivery. I checked the file "/etc/vdomainaliases/foo.com.np" and it says:
Code:
foo.com.np: foobar.com.np
So that should be correct...
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Jun 6, 2008
Im trying to troubleshoot the exim install that was included with cpanel. I read that the helo response being localhost instead of a fully qualified domain can lead to mail be directed to the bulk mail folder.
Looking at the mail headers, this is indeed set this way:
Received: from www.mydomain.com ([my_ip_addr] helo=localhost)
How is this response determined and how can I have it be a fully qualified domain name instead?
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Jul 5, 2008
domain1.com has two servers:
#Server PHP - hosts php and handles apache/mysql requests.
#Server 2 - handles mail and dns requests.
Yesterday we moved mail from # server 2 to a new mail server, a cPanel one, all mailboxes are created, users can send and recieve email using webmail, mail clients, etc.
But.. while trying to send mails using PHP authenticated from the #Server PHP/Apache/MySQL , we got this error from the mail servers:
Code:
We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail. SMTP -> FROM SERVER: SMTP -> FROM SERVER: SMTP -> ERROR: HELO not accepted from server: SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is "220-srv247.serverhost.com
This was working when mails were recieved/sent in Sendmail (an Ensim box), now with Exim 4.x on a cPanel box we got this issue.
Already added IP address from #server php into all Exim whitelists, also added the IP to /etc/alwaysrely, but didn't help.
Im using RHE 5.2 on the mail server and latest Release build.
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Jul 13, 2015
I formatted my server and installed CENTOS 7 and PLESK 12. I have problems with cbl.abuseat.org. My ip enters in blacklist. I sent email to the support of abuseat.org and abuseat reply:
Please fix your HELO strings.
I check the my configuration and I think is correct:
- Reverse lookup is ok
- Hostname is ok (server.domain.tld)
But I have the file in /etc/sysconfig/network empty. There is only written: # Created by anaconda
Also, is correct the my etc/hosts file?
127.0.0.1 server.domain.tld server localhost4 localhost4.localdomain4
:: 1 server.domain.tld server localhost6 localhost6.localdomain6
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Apr 21, 2009
Everytime I send an email from my out look or on the webmail I get the following error, its on my small vps running cpanel.
I have already re installed the mail server, installed a diffrent mail server, and also gone in the config and took this out in whm with no joy.
Code:
550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)
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Jan 14, 2015
I've been plagued by CBL listing for quite some time now, on a linux server with Plesk 12.After months of a fierce fight against every possible malware on the about 120 various websites on this server, extensively monitoring clients emails, enabling restrictive policies and finally even hiring a private security firm to investigate the problems further, we were sure that not a single spam message was sent by our server in any way.
So we finally contacted CBL, exposed the issue and got this answer:The CBL attempts to detect compromised machines in a number of ways based upon the email that the CBL's mail servers receive.During this it tries distinguish whether the connections represent real mail servers by ensuring that each connection is claiming a plausible machine name for itself (via SMTP HELO), and not listing any IP that corresponds to a real mail server (or several mail servers if the IP address is a NAT firewall with multiple mail servers behind it). 54.194.XX.XXX was found to be using several different EHLO/HELO names during multiple connections on or about:
2015:01:09 ~16:30 UTC+/- 15 minutes (approximately 3 days, 21 hours, 14 minutes ago).
The names seen included: xxx1.xx, xxx2.xx, xxx3.xx, xxx4.xx, xx.xxx5.xx, veniceberg.com..Note that the above list may include one or more names that are not fully qualified DNS names (FQDNs). Host names (ie: Windows node names) without a dot are not FQDNs.
The final possibility is that 54.194.XX.XXX is not a NAT firewall, and is instead a single box with many domains provisioned on it, some that send email directly, setting the HELO as the sending domain. If this is the case, to prevent a relisting we strongly recommend setting the mail software on the box so that a single identifying name is used in outbound SMTP connections mail software on the box so that a single identifying name is used in outbound SMTP connections. As an alternate workaround, you can configure the mail software to relay its outbound email through an intermediate mail server. Even a co-resident mail server package (such as IIS on Windows) will do fine.
This pointed me to this Plesk Mail setting (not sure if this selection is the default). Now we are waiting a few days to see if changing to "Send from domain IP addresses" solves the issue. I think this is a kind of issue which deserves attention by Parallels to avoid other users go trough our fatiguing ordeals. If this setting is responsible for getting servers blacklisted, it should be highly discouraged.
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Sep 23, 2014
Seems this started when upgrading to a version of 12. It was working a few days ago and only seems to affect mailing lists. I found a google Cached thread here where Igor was assisting some folks as late as Aug 4 and referenced this was "reported to development (PPP-10678 for your reference)" it seems the forums on Parallels changed or something because several Google links are not working and resulting in having to used cached results for the two links below.
I am able to disable SPF and the e-mails go through just fine however this was working with SPF enabled before a recent upgrade.
Page 1
[URL] ....
Page 2
[URL] ....
This is the error message displayed in /var/log/maillog
Sep 24 01:38:35 controlpanel postfix/smtpd[3725]: connect from localhost[127.0.0.1]
Sep 24 01:38:35 controlpanel postfix/smtpd[3725]: D565017C013E: client=localhost[127.0.0.1]
Sep 24 01:38:35 controlpanel greylisting filter[3899]: Starting greylisting filter...
[Code] ....
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Jun 23, 2014
My server is using Centos 6.5... I updated from Plesk 11.5 to 12 last week and postfix to 2.8.17.
Since then, all mails sent using the sendmail binary (notifications, mail forwards...) are being rejected with a wrong HELO hostname: localhost.
It seems that sendmail is using locahost as a HELO tag which is not accepted. Here is the following error:
Code:
Jun 23 14:23:20 ns395167 plesk sendmail[29817]: handlers_stderr: SKIP
Jun 23 14:23:20 ns395167 plesk sendmail[29817]: SKIP during call 'check-quota' handler
Jun 23 14:23:20 ns395167 postfix/pickup[29480]: B94BC6AA20A6: uid=0 from=<root@curuba.fr>
Jun 23 14:23:20 ns395167 postfix/cleanup[29507]: B94BC6AA20A6: message-id=<20140623122320.B94BC6AA20A6@ns395167.ip-176-31-117.eu>
[Code] .....
Here is my postconf -n content:
Code:
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases, hash:/var/spool/postfix/plesk/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
[code] .....
My system hostname seems correct:
Code:
hostname -f
ns395167.ip-176-31-117.eu
hostname
ns395167.ip-176-31-117.eu
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Feb 21, 2015
I have a client on a dedicated IP, today we needed to downgrade the web hosting plan. As the web hosting plan puts users on a default shared IP, this plan change also changed the dedicated IP to the shared one causing some propagation issues for a small period of time.
I have contacted WHMCS about this asking if they had a way of changing the clients plan but keeping the IP address intact as this could lead to some very undesirable outcomes. They explained that it is not their fault and to contact Parallels.
I know I can change the plan directly in Plesk however by initiating the plan change via WHMCS, everything is automated.
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Feb 5, 2008
Has anyone helped clients transition from one domain to another? Maybe dissolving a partnership or renaming their company... so a new domain name has been registered and a new website created.
2 Issues:
#1 Using .htaccess 301 redirect
We used the following command line in their old website's htaccess file
Redirect 301 / [url]
The goal was to get people try to visit any page of their old website (i.e. OldWebsite.com/contact.html) redirected to their new website (i.e. NewWebsite.com/contact.html). Isn't that supposed to change the address bar's URL, too? For some reason, I visit their old site and I seem to be redirected to their new website but the address bar still has their old domain name? Something is going on???
#2 Having their new company name for 2 years now. People can enter her new company name in Google, MSN or Yahoo. Her new company name appears in the search results but has the old domain name associated with it. We are trying to get rid of any reference to that old domain name? What's the easiest way to do this? So what people see in search engines is:
New Company
Short Meta Description
www.OldDomain.com
What steps did I miss in this transition?
What steps do I have to take on their old website/old web server to control it's appearance on search engines and make sure people get to the new website?
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Mar 20, 2007
we the mail send through email client, the receiver checks local ISP's ip address or mail server IP address before it blocks the emails? Or does it check both IPs?
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Apr 2, 2007
An ad-network requires my website to have certain amount of traffic for x days to qualify, but they won't provide stats and have asked me to log the stats myself.
For incoming traffic stats, I already use AWstats etc, but is there anything available for logging outgoing traffic as well?
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May 28, 2007
I installed and configured the POP3 and SMTP servers in windows IIS and set them up to auth using standard auth and windows usernames for the account groomi and admin.
I can receive incoming mail just fine, but when I try to send outgoing mail with the same credentials I get a 535-invalid logon error..
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Feb 13, 2008
Is there a way to track outgoing mail that's sent from a Linux server? I'm running on Fedora 8 now, and would like to confirm and check mail that's being sent out by a PHP application.
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