CentOS 5 Server :: Setup Sendmail (5.2) As Mail Relay For Microsoft Exchange?
Aug 5, 2010how to setup sendmail ( Centos 5.2 ) as mail relay for Microsoft exchange. I will put the mail relay in DMZ and Mail server in Local Network.
View 3 Replies
ADVERTISEMENT
CentOS 5 Server :: Setup Sendmail As Mail Relay?
Mar 18, 2009Is anyone can help me how to setup sendmail ( Centos 5.2 ) as mail relay for Microsoft exchange. I will put the mail relay in DMZ and Mail server in Local Network.v
View 1 Replies View RelatedServer :: Internal Mail Relay To Exchange Setup
Jan 25, 2010I have ticket tracking software that mails ticket to groups. Right now the software is on an exchange server. After moving it to a dedicated linux server (debian lenny) I cant get it to email any of the internal domain addresses. I have tried to setup sendmail to relay it to the exchange server. Logs indicate that it was sent by the ticket tracking software but the message never hits the mailbox. It also wont get to any other mail address. Is there a better way to do this? The crm software will utilize either a smtp server or any mail server on the localhost. The problem is that with the dedicated server on the same network as the exchange server, it fails to send the mail even if I assign an external smtp server. But if the dedicated server is on a different network then it works using any smtp server in its configuration. I need something that can "pass the email" to the exchange server. Or just be able to send the mail to internal email account and still be on the same network.
View 2 Replies View RelatedGeneral :: How To Set Up Sendmail To Use Exchange Server With Auth NTLM As Smart Relay?
Mar 7, 2011I have a CentOS 5 box that is a web server. When it generates emails, all emails should go out through our Exchange mail server.I believe our Exchange server requires NTLM authentication:
View 1 Replies View RelatedServer :: Setting Up Sendmail To Relay To Exchange Server
Oct 27, 2010Have read a whole bunch of threads from how and troubleshooting but still having problems.Was thrown a box configured by someone who resigned today. Need to get mail from the box outbound via SMTP relay off our exchange server.
View 4 Replies View RelatedServer :: Using Postfix To Relay To MS Exchange Allowing Only Mail To Domain
May 13, 2011I'm using Ubuntu Server 10.04 and I can successfully relay mail generated by php scripts through an Exchange server.What I want to do is accept incoming mail from the Internet through postfix and relay it to the Exchange server but I want all mail that is not addressed to ...@mydomain.edu to be discarded.
View 3 Replies View RelatedRed Hat :: Setup A Mail Server Using Sendmail On Centos 5?
Mar 3, 2010setup a mail server using sendmail on Redhat 5/Centos 5.
View 3 Replies View RelatedServer :: How To Use Postfix To Send Mail Through Microsoft Exchange Server?
Dec 25, 2010I recently had the need to relay SMTP mail through our organizations hosted MS Exchange server. I had to do a little troubleshooting, so I wrote a concise summary of the procedure I followed.
View 1 Replies View RelatedNetworking :: CentOS Mail Setup - Sendmail Via External SMTP Server
Jul 30, 2011I am setting up a CentOS box as a NAT firewall that needs to also send mail. It needs to send this mail using an outside provider's SMTP. The provider requires SMTP over SSL. None of the machines inside the NAT will ever send mail except via the provider's SMTP nor will they ever receive mail except to local clients via the provider's IMAP servers.
So for the example the machine is TESTMACHINE. There is one internet facing ethernet port connected to a DSL modem via pppoe.
The SMTP it needs to send mail via is mail.host.net which requires SMTP over SSL (port 465) and username/password authentication.
The sendmail documentation is quite confusing on how to get this simple setup operating, so an example showing the appropriate changes to sendmail.mc and other require config files.
Ubuntu Servers :: Postfix Relay - Exchange Sends The Mail Instead Giving Recipient Mail A Valid Reverse DNS Lookup
Jan 12, 2011The scenario: We have an external server that runs HTTP/DB servers for out shop system. Then, there's our local, in-house infrastructure that runs a.. yeah... Exchange 2010. The shop system on the external server needs to send mails to customers (order confirmations, invoices, etc.). seing as sending them directly through the local MTA (Postfix) would cause mail delivery problems because of reverse DNS issues, i've set the Postfix MTA to act as a satellite to our in-house Exchange Server, so the Exchange sends the mail instead, giving recipient mail servers a valid reverse DNS lookup.
Now, mails sent by the (proprietary, uneditable) shop system are relayed correctly and sent to the target e-mail address. My problem is: Mails not sent by the shop system, but by our own PHP scripts which run on that same external servers, are NOT relayed properly. So the Exchange is fine with the mails sent by the shop system, but not the mails sent by our scripts. This is what i get in the mail.log: The successfully relayed mail sent by the shop system:
[Code]....
CentOS 5 Server :: Configure Postfix On 5 To Relay Email From The Internet To The Exchange Server
Apr 24, 2011i need to configure postfix on centos to relay email from the internet to the Exchange Server and i also need that emails sent from the exchange within the same domain be sent to postfix then resent to exchange because i have spamassassin and clamav installed on centos to filter all incoming and outgoing mails ...
View 1 Replies View RelatedGeneral :: Sendmail Relay Setup?
Feb 15, 2010I am in verse to try out setting up Sendmail Relay Box.I have 3 Machines:sender.sap.com,relay.sap.com and receiver.sap.com.All I need a user fred in sender.sap.com able to send mail to a user tom in receiver.sap.com through relay.sap.com machine.I guess that is all about relaying Correct?How can I achieve that?
View 7 Replies View RelatedGeneral :: How To Setup Mail Server,sendmail
Apr 7, 2010I have sendmail running in system,i want to send mail to other accounts like gmail,yahoo using this sendmail.What should i do ?
View 1 Replies View RelatedSoftware :: How To Setup Sendmail As SMTP Relay?
May 15, 2011I want to setup sendmail using my username and password on my ISP to be able to send out messages.This is actually true as the mylocaldomain is not a public Internet domain. Just a localdomain for our local network. However, I was expecting that to change to the username in my authinfo "myusername@myispdomain" since this account is authorized to send out email with my ISP.
View 1 Replies View RelatedCentOS 5 Server :: Postfix Save Mail Before Relying It To Exchange?
Jan 29, 2010I have postfix setup right now and it's relying mail to our Exchange server fine. What i would like to do though is have postfix save the email that gets passed through so that if a manager deletes an email, it's easy to look through by date and find the email he's looking for. Well, I'm thinking it would be a lot easier then having to need to pull out the backup tape and try to recover one email. Does anyone know whether I would be able to accomplish this?
View 3 Replies View RelatedServer :: Postfix As SMTP Relay To Exchange Help
Jul 27, 2009I have a linux box on my DMZ with postfix on it. I have exchange on our internal LAN on 10.152.0.104.
View 6 Replies View RelatedServer :: Application Equivalent To Microsoft Exchange
Jun 26, 2011I am looking for an equivalent software of Microsoft Exchange server. Right now we are using MS Exchange Server with 40 users. Can I transfer this setup to any equivalent RHEL programs? Is There A Linux Equivalent To Microsoft Exchange?
View 4 Replies View RelatedSoftware :: Having An Alternative For Microsoft Exchange Server?
Mar 8, 2010do I have an alternative for Microsoft exchange server under linux ?
View 3 Replies View RelatedServer :: Mail Disclaimer On A CentOS Sendmail
Mar 16, 2011I run a CentOS server and would like to put a disclaimer message on every email that is send through that sendmail server.
View 1 Replies View RelatedServer :: Sendmail Bad Mail Location CentOS 5.5
Nov 18, 2010We have moved from a Windows based SMTP server to Sendmail on Cent 5.5. We have a special application that was written to look at the "BadMail" folder on the Windows box. I am told by my developers that it is capable of monitor remote locations and they just need to know the format or extension of the badmail files.
My question is what is the default location of the badmail folder in Sendmail? This is a default install from CentOS.
CentOS 5 Server :: Sendmail Is Very Slow For Php Mail()
Dec 23, 2009I am using CentOS and sending mail through php mail function. It is taking too much time to send a mail.
View 3 Replies View RelatedSoftware :: Nokia And Microsoft Exchange Server Sync?
Apr 17, 2010My client has seen an article about Nokia integrating with microsoft exchange to sync his emails between the office PC, his laptop and his Nokia E90.Naturally enough, I'm not keen to install and setup Microsoft Windows Server with Microsoft Exchange and I'd like to present him with a linux based alternative.
View 2 Replies View RelatedUbuntu Servers :: Migrate Postfix Mail Server To Exchange 2010 Mail Server
Nov 3, 2010I have a problem relate to posttfix.I want to mirgare postfix mail server to exchange 2010 mail server but I can't do it,u can help me.You can show me have to do configure postfix and exchange how to?
View 1 Replies View RelatedCentOS 5 Server :: Sendmail To Postfix - Transfer All The Mail And Settings From The Old To The New?
Jul 31, 2009i currently installed centos 5.3 with postfix. My old server is centos 4.5 final / new 5.3 final. Old server has sendmail / new has postfix. how can i transfer all the mail and settings from the old to the new? also, the old mail server is mail.xxx.xxx and for testing purposes i named the new mail server mail2.xxx.xxx.
when i an ready to put it into production, the new server will need to be mail.xxx.xxx and the old removed from the system. How do i go about changing the name and making sure everything comes out correct?
Ubuntu Servers :: Secondary Mail Server And A Mail Gateway/relay?
Aug 3, 2011Our primary mail server is Exchange 2003 Standard on Windows Server 2003 Standard - don't shout at me; I inherited it already set up this way.I have a couple of hardware identical redundant servers (HP ML350 boxes), all with very fast 2 or 4 disk arrays, multiple core CPUs and plenty of memory, and I am looking at two potential new additions to the infrastructure.
A secondary mail server is high on my list of priories. I've been well and truly bitten by Exchange in the past and given that this particular box has been running four years straight and that it's mail store is dangerously large, having a secondary mail server in place suddenly makes a lot of sense.
A new Exchange 2010 box is currently being set up, but the secondary mail server will remain in place even when the new Exchange server is brought online, so this won't be a wasted exercise.... I also want a gateway box in place to filter and relay mail to the primary server, or to the secondary server if the primary is unavailable. Currently our outer perimeter is:
ISP supplied CISCO router
Draytek VigorPro 5510 UTM
Untangle running in bridged mode (primarily used for SPAM filtering, URL blacklisting, and very little else) Exchange 2003 sits behind the Untangle box. This is how I want to end up:
CISCO >> Draytek >> Ubuntu gateway >> Exchange/secondary mail server
I know I could replace/remove the Draytek but I want it to remain for several reasons, including lots of VPN dial-in users already configured and that it offers us an additional layer of email antivirus scanning before things hit the Exchange box. No point switching all of our remote workers over to new tunnels unnecessarily...
I have done some research and have started testing a pilot secondary mail server using Ubuntu/postfix DNS is properly set up and MX records and reverse PTR records are all present and correct, and things are looking encouraging so far. Before I go out over deep waters and start to flounder, has anyone who has done something like this got any obvious howlers I should be looking to avoid ?
Server :: Configure Postfix To Relay Mail To Multiple Internal Mail Servers With Different Domains?
Aug 6, 2010Two exchange servers internally. One is setup for example.com (192.168.1.10) and the other is setup for example2.com (192.168.1.20) Both are behind a single public IP.
I want to use postfix to sit in front of the two exchange servers. Postfix will accept mail for both domains and relay to the appropriate server. I have postfix installed with only defaults at this point.
Server :: How To Set Sendmail To Allow Authenticated Relay?
Aug 11, 2010I have a CentOS server, and am using Sendmail to relay for various domains. However, I also need to have users send their outgoing mail via this server. I want to have them enter a username and password in Outlook, Thunderbird, etc in their smtp server settings. I currently have this set up via an Exchange server, but I cannot get it to work with Sendmail. I know little about Sendmail, and have done all the config via Webmin, which has worked fine as far as relaying domains. But even though I have added the CentOS user account for the smtp relaying, the clients mail apps give an error saying relaying denied.
View 14 Replies View RelatedSoftware :: Sendmail As Relay Server
Apr 15, 2011I'm trying to build a sendmail relay server.I am in an enclave off a large domain with a FW between us and the main domain.The FW will only allow mail communication between 1 server in our enclave and the mail server of the domain.I can send mail from our 1 server to the domain mail server, but I can't get our 1 server to accept mail from our other servers.
View 2 Replies View RelatedCentOS 5 Server :: Setup DKIM With Sendmail?
Jun 23, 2009I am trying to make my webserver a well respected email sender and it appears to me that using DKIM is something I need to do.
I have no experience with this and would like to know if anyone thinks there are issues that I should be aware of before going down this path.
Also, I have not been able to find any good, STEP BY STEP, documentation on how to set up DKIM with Sendmail.
I am also not sure if you need a certain network configuration for DKIM to work...this is what I am working with:
My webserver (centos 5.3, sendmail 8.13.8) sends outgoing mail and has a valid reverse DNS that matches a forward DNS. The MX records for my webserver's domain point to a third party email provider who handles the incoming mail for that domain. I added an spf record that signifies it that my webserver is authorized to send mail for mydomain.
CentOS 5 Server :: Email Server Setup Using Sendmail And Dovecot?
Apr 24, 2009I am trying to set up a mail server on centos5 using sendmail and dovecot, and eventually spamassassin and some antivirus filter as well. I'd also like to get the proper secure auth mechanism set up at some point too. But for starters, I've been having a lot of difficulty trying to even connect to the mail server from a client computer in the local network. I installed Eudora on the client and after some tweaking in dovecot I was able to connect to the mail server, but then when I try to send an email I get a "connection refused" error, with nothing being logged on the server that I can see.
The last time I set up a mail server was Fedora Core 2, so the configuration files have changed a bit to say the least, and I can't really refer back to those to set up this new server. Does anybody know of a good step-by-step doc on getting the mail server going? I've read the man pages and other various readme's, but these really only list out the available options with no really good explanation of what needs to be done to get the mail server going. If there isn't a full write-up on how to do this, I'll put something together when I'm finished so others can use it in the future.