General :: POP Before SMTP $pat?
May 13, 2011
I've installed pop-before-smtp in my mail server(iredmail). configure the $pat to read the pattern of my Dovecot file. Dovecote log file is like this:
Code:
2011-05-14 14:01:21 pop3-login: Info: Login: user=<test@example.com>, method=PLAIN, rip=180.234.45.133, lip=66.165.162.157
2011-05-14 14:01:22 POP3(test@example.com): Info: Disconnected: Logged out top=0/0, retr=0/0, del=0/0, size=0
2011-05-14 14:01:52 pop3-login: Info: Login: user=<test@example.com>,
[Code]....
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Jan 31, 2010
In order to have greater control over the emails sent out the company I imagined the following scenario.ScenarioDescribing in words what I need.ser sends an email to user@hotmail.com for example, using the smtp of my isp (is the internet).Before the email is sent, the firewall checks if the recipient is blocked transparent, if you are locked out rejects the email.I searched several forums and mailing lists, but did not find scenarios similar to mine.Where found situations in which the mail servers were internally in the company, which is not my case.
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Nov 27, 2008
I have a domain name registered in asianet.com, they provide email service also, can i use local mail server and registrar's smtp server at same time?
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Mar 29, 2010
Code: Warning: fsockopen() [function.fsockopen]: SSL: Success in /var/www/krai/class.smtp.php on line 105
Warning: fsockopen() [function.fsockopen]: Failed to enable crypto in /var/www/krai/class.smtp.php on line 105
Warning: fsockopen() [function.fsockopen]: unable to connect to ssl://smtp.gmail.com:465 (Unknown error) in /var/www/krai/class.smtp.php on line 105
Those 3 errors popups when i chroot my webroot dir, without chrooting it works fine and email is send.
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Aug 11, 2011
What is the simplest way I can get a secure, authenticated SMTP server running on my Linux machine so my family can use it to send mail from hostile networks?
Currently I have exim bound to 127.1:25 so if I can send mail from my laptop using ssh -L2525:localhost:25 wolever.net... But I'd like exim (or some other SMTP server) to bind to, eg, 0.0.0.0:2525 and accept authenticated SMTP connections.
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Sep 8, 2010
i would like to block FTP and SMTP service as a part of linux server hardening.
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Nov 30, 2010
I'm running Nagios Core 3.2.3 in a CentOS 5.5 Server, i'm trying to set the notifications, however they don't go through. I'm Using Postfix, i also setup squirrel mail and i can send mails through it successfully, can anyone give me some advice about the logs to check or configurations to check?
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Nov 30, 2010
clafiry what this means? It is in my secure log file: xinetd[5544]: START: smtp pid=6574 from=xx.xx.xx.xx xinetd[5544]: START: ftp pid=6465 from=xx.xx.xx.xxThey are repeated in my secure log hundreds of times, one every second or so.Also how can I stop my ftp and smtp service? Tried the usuals:service ftpd stop/etc/init.d/proftpd stopIt's a Fedora server.
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May 31, 2010
M using Ubuntu. How do i unlock POP and SMTP ports.
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Dec 22, 2010
I need to send authenticated mails from a RHEL machine to a relay that only accepts authentication mails from domain users. I've never done this so I'm a bit lost. I read some sendmail docs and I uncommented these optins in sendmail.mc file
define(`confAUTH_OPTIONS', `A p')dnl
...
TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
and then regenerated the /etc/mail/sendmail.cf file and restarted senmaild, and started saslauth service. Still I can't send an e-mail.
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Jul 29, 2010
I am unable to send emails throught smtp class with auth server. Whenever i send the email even throught mybb smtp class in forum i see blank page and apache logs shows: Code: [Thu Jul 29 16:41:49 2010] [notice] child pid 23716 exit signal Segmentation fault (11) any idea what i have to add for proper work of this?
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Aug 27, 2010
In my home we have got an internet connection which is connected to desktop machine having two network cards. One card is connected to external internet and second is used for internal LAN.
We have installed a proxy on desktop machine so that we can connect to internet through proxy. So we are not able to telnet to smtp.gmail.com 587 from laptops of internal LAN laptop installed with ubuntu and fedora.
At the same time we are able to ping smtp.gmail.com from the desktop machine which is exposed to internet.
I want to automate email through shell script using smtp.gmail.com.
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Dec 5, 2008
From a scan with nmap,I saw that,on my desktop,3 services were visible,ssh(which I don't want to disable),rpc-bind and smtp.As far as I know rpc-bind and smtp aren't needed on a desktop pc(I don't plan on having a mail server,at least on this pc),but before disabling something I need,I am asking it here-do I need them for some vital service?I am running OpenSuse 11.
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Feb 8, 2010
I have username1@domain.com and [URL] I want to send emails to two different groups of people and use a separate smtp server for each account so people that receive emails from username2 don't know about username1 account. At the moment I have to manually go into settings and change the default smtp server before I send the message. So I basically want to associate an smtp server with an identity. It doesn't seem that this is possible to do. I do know about the "Reply to Address" option but this is not what I want. For starters my smtp server won't allow this operation to take place.
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Oct 20, 2010
We have one major problem in our dedicated online mail server. In this mail server both sendmail and qmail running for send and receive mails. In this server I can able to send mail to other domain like Gmail and yahoo its works fine. But I am not receiving any mails from other domains. And automatically I got telnet localhost 25 connections refused error. When I send mail from my webmail I got like this error Connection refused Server replied: 111 can't open SMTP stream. This is I got when I send mail from webmail. I am using centos 5.2 version.
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Mar 27, 2011
I often see hundreds of entries like this in my logwatch report:
[code]...
I am wondering if this would be correct?
[code]...
will it keep that marauder away from Dovecot?
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Feb 25, 2010
I need to setup a mail server, purely for relaying mail to a MS exchange server. A previous employee used Postfix on CentOS. I have limited Linux knowledge and no experience with any mail server software other than MS Exchange, so we cannot continue with this solution (unless I can find a way of managing it all from a gui). Does anyone know of an MTA that can be configured completely by GUI? Everyone says sendmail has millions of features and loads of documentation, but I simply do not have the time to learn it. I need something that can be configured with minimal knowledge and via GUI, not command line. The only reason I'm not using Exchange is to try to save money, and hopefully it will be more secure.
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Dec 2, 2010
I'm hoping someone here can help, as I've been beating my head on the wall for a week now with little advancement. I've found a number of tutorials on setting this up, however none of them have gotten me 100% of the way there. Here's my situation: home-based Fedora server (Core 8), running sendmail 8.14.2-1. Connecting to hosting company's smtp server over port 587, to bypass Verizon's blocking of port 25.
My /etc/mail/sendmail.mc file looks like this (comment lines removed):Quote:
divert(-1)dnl
define(`SMART_HOST', `smtp2.datarealm.com')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 PLAIN')dnl
FEATURE(`authinfo',`hash -o /etc/mail/auth/client-info.db')dnl
define(`RELAY_MAILER', `esmtp')dnl
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May 21, 2010
I've used fetchmail for quite a while now and never had a problem, until (without having changed anything) today it suddenly quit working, giving me the error message:
fetchmail: connection to localhost:smtp [127.0.0.1/25] failed: Connection refused.
fetchmail: SMTP connect to localhost failed
fetchmail: SMTP transaction error while fetching from stefan%mydomain.com@mail.mydomain.com and delivering to SMTP host localhost
fetchmail: Query status=10 (SMTP)
I googled the error message, but didn't find anything that look promising. I use ubuntu 10.4.
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Mar 12, 2010
When sending a message some recipients get it while others don't and i receive this mail every time an e-mail has failed to be received by others:
Code:
Subject: failure notice
This is the qmail-send program at XXX-XX-XXX-XX.local. I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
<XXXXX@XXXXXXX.com>:
Sorry, I wasn't able to establish an SMTP connection. (#4.4.1)
I'm not going to try again; this message has been in the queue too long.
Below this line is a copy of the message.
Information about my server: Plesk 9.3.0 | PHP Version 5.1.6 | CentOS release 5.4 | Linux 2.6.28.7 | GenuineIntel, Intel(R) Atom(TM) CPU 330
[url]
I use horde webmail installed through Plesk, and i access it through webmail.domain and not mail.domain
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Sep 20, 2010
I'm trying to set up a tool that emails me periodically (in my case, psad). It allows by default to define just a destination email for reports. Is there a general way to get this or similar tools to use a non-default SMTP server, with TLS? (e.g. gmail's SMTP)
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Jan 20, 2010
How to communicate with an SMTP server with telnet, in order to send a mail?
telnet smtp.something.somewhere 53 Trying
10.xxx.xxx.xxx...
Connected to smtp.something.somewhere.
Escape character is '^]'.
And that is as far as I got. What do I have to do after?
What do I have to write after "HELO"?
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Mar 30, 2010
I want to know that by default do we need to configure SMTP and POP3/IMAP sever for sending and receiving mails in Linux server and client machines or we can directly send and receive mails without configuring these mail servers?
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Feb 10, 2011
I've set up Ubuntu 9.04 (desktop) at home in a lab environment (workgroup rather than domain) and have configured Squid. Everything works fine but, when I took it to the next level and made the proxy transparent, my problems began. I can still access sites (having pointed the XP Pro client to the squid box as the DG) and the sites are logged in /var/log/squid/access.log but I am unable to use Outlook to access my SMTP and POP3. I guess that the setup is blocking ports 25 and 110 and I'll need to configure iptables to forward packets destined for these ports directly to the "real" DG, rather than the Squid box. Here's the set up:
A single NIC (eth0) on 172.19.0.250 / 16 (static) ADSL router ("real" DG) on 172.19.0.1 I executed iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3128 My squid.conf:
Code:
acl all src all
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8
acl localnet src 10.0.0.0/8# RFC1918 possible internal network
acl localnet src 172.16.0.0/12# RFC1918 possible internal network
acl mynet src 172.19.0.0/16
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Jun 10, 2011
I have proxy running. I have seen LAN machines sending packets by iftop -P -F 192.168.10./24
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How do i set my iptables so that I can only send and recieve http,smtp,ssh,dns,dhcp request in and out of the proxy
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Apr 6, 2011
is that my isp's smtp service is very poorso i want to configure my own smtp servr for my internal clients only for sending emails not receivingi have static ip on my router with 25 port forward i have configure sendmail on linux its working fine on local network mean its sending email on local domainnow i want to send emails on other external domains with my public ipMean user of mydomain.com should be able to send emails on all internet domains like yahoo.com, hotmail.com etc
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Jul 26, 2010
In my Windows environment, I use email client such as Microsoft Outlook to connect to our email server to send email with the following configuration:
Incoming server (POP3): 995 - (requires with SSL)
Outgoing server (SMTP): 465 - (use encrypted connection SSL)
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And the mail server requires user ID login and password.how do I setup a text command based email client in my Linux (Centos 5.1) to send out email through the existing email server above, which is in another machine? The email client has to be text command based because I need to use command line to send notification email from anothar application installed in my Linux (Centos 5.1) Since the email client will only be used to send email notification, I don't require setting up of an email server in my linux.
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Nov 27, 2009
I'm using postfix to send some mail from my cloud server via a web page on my website that uses PHPmailer to do SMTP authentication. My cloud server has a dedicated IP for all inbound and outbound data. The problem I am having is that it sends roughly 75 - 100 messages successfully before it returns the following error for the remaining few hundred recipients in my list:
SMTP Error: The following recipients failed: example@example.com Mailer Error [URL] SMTP Error: The following recipients failed: example@example.com SMTP server error: 5.5.0 Sender already specified
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Apr 5, 2010
How can I verify if TLS is working for SMTP? I can see when I connect to Dovecot via IMAP4, a TLS session is present but I don't know to configure TLS for SMTP (sending messages).
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Apr 28, 2010
I installed webmin + postfix + dovecot + sasl2-bin to get a webserver running. I have fixed all the problems, but there is still one. I am totally new to sasl, so I am sorry if I made a stupid mistake.
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Thunderbird gives the following error when trying to send mail: Sending of message failed. The message could not be sent because the connection to the SMTP server mail.virovene.org was lost in the middle of the transaction. Try again later or contact your network administrator. mail.err Apr 28 23:33:18 virovene postfix/smtpd[6264]: fatal: no SASL authentication mechanisms
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