Exim SMTP
Apr 26, 2008
I've recently purchased a cPanel VPS from a company i found on this forum. However, i am not experiencing some problems with the sending of e-mails from the server via Outlook Express. Unfortunately, i'm have no real knowledge of EXIM and i was hoping someone would help me with this. Basically, when i setup the domain and then setup a email account, i could only receive emails and not send (as i was getting an error within Outlook) this was due to the fact that the domain name was not listed in /etc/localdomains, so when i added it to that file it seemed to have done the job. Now, when i send emails locally EG: example1@domain to example2@domain i t will indeed send correctly, however if i want to send it to an external domain it stays in the queue (which i can view in WHM). When i force send it, it gives me the message "Connection refused", can anyone shed some light on this situation?
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Jun 8, 2007
I use Exim + Dovecot for my mail server. We can get mails through pop3 protocol without a problem, but when we try to send mails, exim does not permit relay. My passwords are stored in a mysql database for dovecot. Is it possible for exim to do authentication based on that? If it will be easier, i can create a text file with md5 passwords on it for my users.
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Mar 2, 2007
Where I have to configured Cpanel Exim Smtp Authentication for ASSP-Deluxe.
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Jan 30, 2008
I really hope I'm just going batty with sleep deprivation, because this is making no sense to me. Before I clobber my poor provider with management requests, I want to see if this is typical behavior or not. I am able to send messages through my SMTP server from my laptop without using any authentication at all. It doesn't matter whether I'm using a client (tested Mail.app and Mozilla Thunderbird) or whether I'm going in via telnet. A typical session might look like this (addresses obfuscated):
asdfasdfasdf:~ ###$ telnet mail.fakedomainname.com 25
Trying ##.##.##.## ...
Connected to mail.fakedomainname.com.
Escape character is '^]'.
220 fakedomainname.com ESMTP Exim 4.67 Wed, 30 Jan 2008 00:56:03 -0800
HELO [192.168.2.1]
250 fakedomainname.com Hello reverse.verizon.net [##.##.##.##]
MAIL FROM:<nonexistentuser@fakedomainname.com>
250 OK
RCPT TO:<myvalidaddress@gmail.com>
250 Accepted
DATA
354 Enter message, ending with "." on a line by itself
This should not work
.
250 OK id=1JK8kZ-0004Xx-7O
quit
221 fakedomainname.com closing connection
Connection closed by foreign host.
asdfasdfasdf:~ username$
I was expecting to see a "550 authentication required" message after it saw that "RCPT TO" wasn't a locally-hosted domain. I did confirm that the message was properly delivered to the intended Gmail address. So far, it looks like an open relay. But when
I use a third-party environment, such as the open relay checker at abuse.net, I am correctly seeing "550" messages at the appropriate places.
In other words, when anyone else does it, they get "550". When it do it from my laptop (from any client or telnet session), I'm clear to send. Just to add a little zest to the situation, when I did this same test 36 hours ago, I *was* getting "550" errors.
This doesn't seem right to me. However, my mail admin skill level is approximately zero, so I'm willing to accept that this is normal behavior and that I am overlooking the obvious.
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Jan 14, 2007
to change ip for smtp relay. I need to use a separate ip to send all the emails from my server.
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Jan 28, 2007
I recieve the error when ClientExec is trying to send email in my rejectlog...
2007-01-28 20:53:17 SMTP protocol synchronization error (input sent without waiting for greeting): rejected connection from H=[255.255.255.255] input="EHLO host.domain.net
HELO host.domain.net
"
I added host.domain.net and 255.255.255.255 to the whitelist files and added this ACL to exim.conf after begin acl:
acl_check_connect:
accept hosts=255.255.255.255
control=no_enforce_sync
accept hosts=host.domain.net
control=no_enforce_sync
accept
If it matters, I am running CentOS4 64-bit, DirectAdmin, Kernel 2.6.18
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May 26, 2007
should i need to edit /etc/services and /etc/exim.conf?
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Feb 7, 2008
running WHM at Fedora 6... WHM 11.11.0 cPanel 11.16.0-R18546
I have a problem with spoofing spammers.. my queue is plenty of non-delivered emails from externals SMTP, sended to NON-existents address on my server...
The question is the destination domain (mydomain.com b.example) has already its ":fail: No Such User Here" alias.
SMF records applied, but not the most external SMTP servers checks them nowadays...
Using :fail: the email is never accepted into the server. During the initial SMTP negotiation when the senders SMTP server connects to your SMTP server, the sending SMTP server issues a RCPT command notifying your server which email address the email to follow is intended for. Your server then checks whether the recipient email actually exists on your server (a POP3 account, an alias or a catchall alias) and if it does not, it issues an SMTP DENY which terminates the attempt to deliver the email.
Well, in my case it justs receives message and then frozen it!
Some more data:
IN MY QUEUE:
1JMoh4-0004UG-Pz-H
mailnull 47 12
<>
1202321302 0
-helo_name luatvietnam.vn
-host_address 203.162.168.16.1839
-interface_address 85.x.x.x.25
-received_protocol smtp
-body_linecount 50
-max_received_linelength 93
-frozen 1202407547
-host_lookup_failed
-manual_thaw
XX
1
dlsex-ireddols@abrasivoshermes.com
210P Received: from [203.162.168.16] (port=1839 helo=luatvietnam.vn)
by myserver.mine.com with smtp (Exim 4.68)
id 1JMoh4-0004UG-Pz
for dlsex-ireddols@mydomain.com; Wed, 06 Feb 2008 19:08:23 +0100
069P Received: (qmail 6913 invoked for bounce); 5 Feb 2008 09:04:11 -0500
032 Date: 5 Feb 2008 09:04:11 -0500
032F From: postmaster@luatvietnam.vn
039T To: dlsex-ireddols@mydomain.com
024 Subject: failure notice
WHEN TRYING TO DELIVER FROM QUEUE:
Message 1JMoh4-0004UG-Pz is no longer frozen
LOG: MAIN
cwd=/usr/local/cpanel/whostmgr/docroot 4 args: /usr/sbin/exim -v -M 1JMoh4-0004UG-Pz
delivering 1JMoh4-0004UG-Pz
LOG: MAIN
** dlsex-ireddols@mydomain.com F=<> R=virtual_aliases: No Such User Here
LOG: MAIN
Frozen (delivery error message)
AT LOGS (first time):
2008-02-06 19:08:17 SMTP connection from [203.162.168.16]:1839 I=[85.112.9.44]:25 (TCP/IP connection count = 9)
2008-02-06 19:08:20 no host name found for IP address 203.162.168.16
2008-02-06 19:08:22 H=(luatvietnam.vn) [203.162.168.16]:1839 I=[85.x.x.x]:25 Warning: Sender rate 0.0 / 1h
2008-02-06 19:08:23 1JMoh4-0004UG-Pz <= <> H=(luatvietnam.vn) [203.162.168.16]:1839 I=[85.x.x.x]:25 P=smtp S=2405 T="failure notice" from <> for dlsex-ireddols@mydomain.com
2008-02-06 19:08:23 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1JMoh4-0004UG-Pz
2008-02-06 19:08:23 1JMoh4-0004UG-Pz ** dlsex-ireddols@mydomain.com F=<> R=virtual_aliases: No Such User Here
2008-02-06 19:08:23 1JMoh4-0004UG-Pz Frozen (delivery error message)
2008-02-06 19:08:24 SMTP connection from (luatvietnam.vn) [203.162.168.16]:1839 I=[85.x.x.x]:25 closed by QUIT
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Oct 17, 2007
I have a customer that wants to send emails using Exim and SMTP (using outlook), withouth authentication. Now.. the big question is ... how can I configure the Exim server to work withouth any authentication?
I know the risks of this withouth any authentication, but is my customer's server and he want to work in this way.
He is also asking if he is able to send emails withouth authentication using SMTP for certain IP addresses.. is that possible? Can be done for only 1 domain, or for the entire server?
Im using Exim 4.6.8 and RHE 4 + cPanel.
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Apr 21, 2008
Can i use Qmail or Sendmail or Postfix with WHM other than exim mail SMTP.
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Oct 31, 2008
any 'easy' smtp / pop / imap package or installer w/o having to read up on exim etc.?
I want an email server quickly, w/o having to become an expert...
I'd go w/ a hosted service, but I open allot of pop3 connections... (program I use downloads one email, closes connection, reopens... repeat)...
There's lots of cookbooks out there, but they require quite a bit more time commitment (and configurability) than I want / need.
Is there any dumbified installs available? I tried with webmin, but even that wants me to manually configure a postfix / imap server bridge.=
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Jul 2, 2008
I getting this error when our clients are sending mail from outlook but they are able to send mail from webmail.
we are using exim mail server and whm . i can't understand where is problem , anybody can help me ?
Sending' reported error (0x800CCC6A) : 'Your
outgoing (SMTP) e-mail server has reported an internal error. If you
continue to receive this message, contact your server administrator or
Internet service provider (ISP). The server responded: 451 Please try again
later.
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May 2, 2007
I am having issues in receieving emails. For some reason, the rbl lists I had setup are causing the server to reject emails (retry - timeout). So, I need to take this rbl list completely. How can I do that? exim.conf is locked and using the advanced editor is no fun even though I tried it putting the dnslists without the rbl causing the problem.
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Feb 13, 2009
I am wondering what the advanatges and disadvantages are in using SMTP for my out going server emails.
I have an email marketing system and some other scripts that send email and I don't know which is best.
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Dec 12, 2007
I want to send some emails from my Win2003 server with IIS6.
I have turned on the SMTP server, but I dont know how to connect to it or set it up. How do I find out the connection details (e.g. smtp.server.com)?
I put a test mail as a txt message in the C:InetpubmailrootPickup folder and it sent OK to external mail address. NowI want to get some applications to use the server. I just need a really simple config, one email account, it doesnt even need to collect emails, just send them out. No authentication needed either.
One more thing: how to limit access to the SMTP server to only my server an no outsiders? I want it to be used by just two applications running on the server.
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Feb 15, 2007
Everytime I try to send mail from Outlook Express via server.hostdomaincom:465 (SSL) I get an warning about the cert cant be trusted. Though I have server.hostdomaincom's self-signed cert installed through IE as a trusted root, the warning keeps coming up. How do I resolve this?
Also, my ISP has blocked outgoing port 25 connections. Is there any alternate SMPT (non-ssl)?
Another email issue:
1. I am trying to send mail to someone@externaldomain.com
2. The website of externaldomain.com is located on my server under clients reseller account.
3. MX servers of externaldomain.com are located somewhere else.
4. When the SMTP gets mail from me to someone@externaldomain.com, it looks up for "someone" in the local user table without looking at the real MX record.
5. The mail server thinks that it is the final destination and rejects the mail with "I cannot find 'someone' here". In fact, the mail server was supposed to accept the mail, lookup the MX record of externaldomain.com and deliver it to the responsible server where 'someone' really exists. But unfortunately the server is not doing that.
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Apr 13, 2007
I have smtp set up and add an email account.
I know emailing out works but I don't know if emailing in works and if so, what
is it's name for DNS zone purposes.
Can you help me with command prompts that would tell me:
- verify I have smtp up and running and what it is called so I can add it to
my DNS record
- add an email account
- add an email account that aliases to another email
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Nov 27, 2007
Till my management for server decides to look into the issue, can someone tell me why my SMTP keep failing and how to troubleshoot it, i have restarted exim and imap and pop3 already but still i keep getting message that SMTP has failed.
Using top doesnt show me much info or whats causing it, load is sitting around 1 though nothing out of the blue though.
Anyone can direct me to some commands maybe to see whats happening?
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Jul 12, 2008
So, I have to connect to smtp.gmail.com to send the mail, which ends up in the inbox on the same domain. I don't have any mail server running on my server because it is not necessary.
Problem, however, is that when I click on "reply", it replies to the address it was sent TO...
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May 22, 2009
We have a few customers on our server who have membership sites. The sites are mainly geared around email. So they are sending out a ton of email everyday. At present our Cpanel server is processing the mail via exim and sending out to the various recipients.
This part is fine, the problem we are having is with bounced email and deferred email. As soon as Yahoo defer the email, the email queue builds up and the server load goes through the roof.
I know this is an issue with exim, but is there any way to reduce the load?
Alternatively, can anyone suggest a good SMTP server which we can get the users to route the email via.
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Nov 3, 2009
I have deciated windows 2008 server and from last 2 days there is some thing which is using our smtp server to send spam its like we get thousand of spam emails qued in our outbound que, although our security is really high, such as smtp authtenication (open relay) and other options are already enable and we ran anti virus scan too but nothing found.
I wonder if there is anyone else out there who face such problem and how did you stop?
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Apr 6, 2009
I am a developer for a few organizations that each have maybe 50-60k email addresses for people who have signed up with them.
Right now they are using Constant Contact.
They are also using my own CMS to manage their websites. I would like to expand my CMS to include email capabilities.
The problem is that these clients are all on shared hosting and the shared hosting company doesn't want me sending out more than 80 or so emails a minute using their SMTP server.
So I was wondering if there was a service out there that would give me access to an SMTP server that I could connect to using phpmailer or a similar program to get the emails out quickly.
My question is - are there any services out there like this and am I approaching this in the right way?
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May 10, 2009
to stop the IIS SMTP Spammers how you find the culprit spammers site I tried the smtp monitor but not avail.
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Dec 10, 2008
we installed CMS for our website, when a client want to signup to our website, the confirmation email send to theie Spam Box, we want to our email send to theire Inbox. how can i resolve this problem?
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Jan 22, 2008
I had a Windows 2003 running as a shared server using PHP with Windows SMTP, there seemed to be a script with vulnerability for spammers to use for blasting. Anyway to track which domain and which script does that? Or anyway to configure such that the SMTP maybe install different SMTP that would track this better rather than the default SMTP?
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May 9, 2008
Is able here able to send email through reliablesite.net's SMTP?
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Sep 15, 2008
Do you have any one who can provide me an unlimited smtp service.
It works like this. Through my vb program using Microsoft CDO mail object, i must be able to send thousands of emails per day. say nearly 10000 mails / day. each mail that send contain 1 jpg attachment. think of it as the firefox addon "clipmark"
pm me with a quotation. If affordable, i ll consider to make a year service agreement.
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Mar 29, 2008
I have a list of 150,000 realtors (email addresses), I want to send an eflyer out for a property I have for sale. I use AOL, so this is a problem. I belive I must use an external SMTP server, just not sure how I go about this. I want to send this eflyer out MYSELF, So please advise me on the best software and SMTP servers to do this.
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