How To Get Hostname/ip Of Sending Mail Server From An Email

Nov 22, 2008

I know how to do this by analysing the headers, but we have a customers who doesn't believe what we are telling them.

Is there some kind of 3rd party service or script that we can point them to? So they can send an email to the service (or paste headers, or whatever) and it tells them who is the sending mail server hostname/ip?

(The problem is that this customer doesn't understand that all email sent from the server uses the same SMTP server hostname/ip. They are convinced that if they connect to "mail.their" then this is what is reported as the sending mail server/IP.)

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Sending Email To Another Server When The Email Address Domain Is On This Server

Jun 24, 2008

I currently have a domain on Server 1 (Linux, Apache, Ubuntu, Matrix control panel).

This server does not have any spam filter, so I have moved all the email accounts to Server 2 (Linux, Apache, Fedora Core, Plesk) which does have a brilliant spam filter; and have changed the DNS record for to the IP address for Server 2.

Emails are being successfully received on Server 2.

On Server 1, when an email is sent through SMTP to an address at that domain, it does not send it to Server 2, it gets delivered to the hosting account for the domain on Server 1. So what I am guessing is happening is that Server 1 detects the domain has an account on the server, and instead of looking up the DNS info for that domain, just assumes it is on Server 1.

What I need to do, is force Server 1 to send email for that domain to Server 2. Is this possible, and if so, how can it be achieved? If more info about the server is required for a solution please let me know and I'll provide what I can.

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Plesk 12.x / Linux :: Return Path In Mail Header When Sending Email With PHP Script

Feb 18, 2015

When a PHP script is sending a mail, there is added an return path in mail header. How to change that mail address in return path?

We are using Postfix and CentOS 6.5

Plesk is setting the mail address of the owner of the hosting account. When changing the owners mail address in Plesk, the return path is still the same and is not updated... 

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Server For Email Sending - Best Configuration

Jun 8, 2009

I have a client who is a media company and is interested in using a dedicated server in order to send their daily e-newsletters by email. The server will only host a script for handling the email distribution and email database.

They need to send approximately 20,000 emails every working day, in blocks of 5,000 emails. Each email includes an attached PDF file of 3Mb (this means less than 2,000Gb of bandwidth every month). They want each block of 5,000 emails to be sent within maximum 2 hours.

Please let me know the suggested configuration for a server to handle this email load.

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Server's Hostname/nameservers Affect Mail Delivery

Mar 31, 2008

our company is ordering a new dedicated server and we are a little unsure what we should choose as far as the full hostname and nameservers of this one server.

This server will have a couple different websites on it, but really, there is only one BIG website on it... let's call it

While most would pick a hostname of for instance, if at all possible, we would like the domain name part of the hostname to be something different than We own a domain name that doesn't point to anything yet ( and we were wondering if we could use that domain in our hostname..

And instead of using as the domain name for our own nameservers (ie.,, we would like to again, use the unused domain name we own ( for the nameservers domain name:,


Will this work? Is this perfectly acceptable?

And lastly...

Since the one website we really care about on this server (the one we got the server for in the first place) is, is using the for the hostname and nameservers (as above) a bad choice in anyway regarding email deliverability? I understand that mail ISP's (hotmail, yahoo, etc.) do all kinds of checks on hostnames (PTR), etc... and we want to make sure that we aren't hurting ourselves in anyway by using an "empty" domain name that we own as our hostname's and nameserver's domain name.

For instance, if we send mail from the account, it will use ( as it's outgoing mail server... Hotmail will see this... do a reverse-dns lookup on and see See what I'm saying? It all will work, but will it toss up red flags?

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Sending Email 'to Domain Works But Not Sending 'from

Jun 19, 2007

I migrated a client from a Windows server to Linux and everything is fine except that mail sent to this client (say, from a particular domain (say, simply disappears and does not reach at all. Mail sent to that other domain ( from my new client ( is delivered correctly.

Incidentally, that other domain ( from which the mail is sent is with the hosting provider who was earlier providing services for my newly acquired client. Should I suspect anything? Or, is there a way to figure out what's happening?

I have MailScanner running on my VPS, but it isn't configured to filter at RBL level, only at Exim level, so I don't think this is the issue.

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Plesk 12.x / Linux :: Sending Email By Smtp Server?

Feb 23, 2015

actually i want to know is this sending this email by my smtp server?

Feb 23 14:49:36 nsxxxxxx /var/qmail/bin/relaylock[9836]: /var/qmail/bin/relaylock: mail from (
Feb 23 14:49:37 nsxxxxxx qmail-queue-handlers[9838]: Handlers Filter before-queue for qmail started ...
Feb 23 14:49:37 nsxxxxxx qmail-queue-handlers[9838]:
Feb 23 14:49:37 nsxxxxxx qmail-queue-handlers[9838]:
Feb 23 14:49:37 nsxxxxxx qmail-queue-handlers[9838]: handlers_stderr: SKIP


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Plesk 12.x / Linux :: Setting Up Mail With Hostname Hosted On A Different Server

May 14, 2015

I have a server that I use to host my primary domain, and I have a cople Plesk servers, now I updated the hostnames of all the servers like


Now when the plesk server sends a mail it goes in spam always,

In the SPF records of the primary domain sits this

Code: IN TXT "v=spf1 a mx ip4: ip4: ip6:2a01:4f8:201:81b8::60 ?all"

But when I actually send the mail in the headers of the received mail I get this.

Received: from ( [])
by with ESMTPS id p2si2158952wjy.73.2015.
for <>
(version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);

[Code] ....

How would I set this up so this doesn't happen?

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Windows Server Not Sending Mail

Mar 24, 2009

I am using Shopping Script, There is again constant problem of 'Helpdesk notification' not being send to Admin email.

Sometimes Helpdesk notification emails comes, sometimes not.

In order to start getting Helpdesk notification email, i need to restart my server and it starts working.

It means there is nothing wrong with Shopping script, as it starts working as soon as server is restarted.

I am running on Windows 2003 server, with IIS support.

This is the reply i got from Script support

It's not in our compatibility but we can propose a couple of advice to you:

1) You can test the php function mail() which is responsible for this process;
For this you may create a simple script with the following line:

mail($mail_to, $mail_subject, $mail_body, $headers_string)

Of course, you need to past your own real values here. Then you need to launch this script every minute since the server restarted and follow the logs of what is happening there.

2) As we see you are using Microsoft FTP Service. The most probable reason for this is the issue with windows mail function - either the service itself is not reliable or it is just set incorrectly. Our administrator says that the issue with mail sending on this server happens quite often. So you can try to google the problem with the queue of windows mail function, for sure there must be some more advice as to how to resolve this.

It is possible that there is set a restriction on the order of the sending mail so when the queue is full, the mail stops sending.

Anyway that's all that we can advise you on this case because if the notification is sent at all then it means this function is working in our shopping cart and the issue is with something else.

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Sending Mail From Server When Using Google Apps?

Jun 28, 2008

If I am using Google Apps for Domain, how can I send mail from my physical server (like from scripts)?

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My Server Not Sending Mail To Yahoo & Hotmail

Jul 1, 2009

i have problem in my server from 2 weeks ago server stop sending mail to yahoo and hotmail but to gmail send good without any problem i make SPF and add it for all domains after that mail worked Good in 1 day after that the problem come again

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Mail Server Exim- Emails Not Sending

Apr 17, 2007

Whenever I send mail, it never gets sent and I get the following error under "View Mail Statistics" in WHM:

1 R=fail_remote_domains: unrouteable
mail domain ""

I have only recently noticed these errors, as my mail was working before.

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