Server :: Sendmail Relay Messages To Ext. SMTP Server?

Jan 31, 2010

I've got a server set up with Debian. The problem is that my ISP doesn't allow usage of port 25 (as I understand a lot of ISP's don't).I have PHP scripts hat use the mail() function to send e-mails through the Sendmail application.So, my question is: How can I relay messages sent to sendmail to an external SMTP server (like Google Mail, for example)? Would this be easier to do in the PHP configuration, or on the Sendmail side of things?I've used PEAR extensions in PHP to achieve this before, but scripts downloaded from the Internet generally just use the basic mail() function, and it would be a real pain to modify them all.

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Software :: How To Setup Sendmail As SMTP Relay?

May 15, 2011

I 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.

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Server :: Setting Up Sendmail To Relay To Exchange Server

Oct 27, 2010

Have 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.

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Server :: Postfix As SMTP Relay To Exchange Help

Jul 27, 2009

I have a linux box on my DMZ with postfix on it. I have exchange on our internal LAN on 10.152.0.104.

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Run DMZ Postifx Smtp - Relay Each Domain To Different Server?

Jan 19, 2010

I want to run a DMZ postifx smtp relay that will collect and relay several domains, this I can do. But is it possible to then relay each domain to a different server?If so how ? and what set up is needed.

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Server :: Slackware Based SMTP Server Running Sendmail Is Having These Errors ?

Apr 7, 2011

Im not able to find good response on this from google, urgent help required.

While im looking at my smtp server log at /var/log/maillog, im having these two errors for which im unable to find the reason.

1)Could not open inline file /etc/MailScanner/reports/en/inline.sig.txt, No such file or directory

2)did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA

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Software :: Configuring Sendmail To Relay Messages To An Email Gateway?

Jun 15, 2011

We have a sendmail server located in a DMZ that has normally been able to send SMTP traffic to whatever destination is listed in the address of any given e-mail message. A recent change in network configuration has introduced an e-mail gateway that all servers need to send smtp traffic to in order for the messages to go out to the Internet.

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Server :: How To Set Sendmail To Allow Authenticated Relay?

Aug 11, 2010

I 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.

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Software :: Sendmail As Relay Server

Apr 15, 2011

I'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.

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Server :: Postfix Not Relay Mail Via Gmail Account SMTP

Feb 11, 2011

I'm trying to set up my postfix server to relay mail (via a php cms) using Gmail's smtp on my account, but for some reason, Gmail returns an error code that StartTLS must be sent first, my postfix main.cnf file can be found at pastebin, because of this forum's text length I cannot paste my postfix main.cnf file as can be seen I have everything set and configured for Gmail, but postfix (for some unseen reason) can not send StartTLS. [URL].

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Server :: Instruct Local Copy Of Sendmail To Use As A Relay?

Oct 28, 2010

In my network I only have one machine that is configured to send email outside the network. How do I instruct my local copy of sendmail to use that server as a relay?

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CentOS 5 Server :: Setup Sendmail As Mail Relay?

Mar 18, 2009

Is 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

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Red Hat :: Use Sendmail As Smtp Server Instead Of Isp Smtp Server?

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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CentOS 5 Server :: Setup Sendmail (5.2) As Mail Relay For Microsoft Exchange?

Aug 5, 2010

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.

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General :: How To Set Up Sendmail To Use Exchange Server With Auth NTLM As Smart Relay?

Mar 7, 2011

I 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:

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Server :: Sendmail SMTP AUTH Errors?

Aug 3, 2011

I am a bit of a linux newbie, but have been gradually teaching myself how to set up Sendmail 8.13.8 on a CentOS system to handle our MX mail for various domains we own on our local server. Configuration has gone well so far, except I cannot seem to get Outlook to authenticate with the SMTP server and I must readily admit to some large gaps in my knowledge. For testing purposes, I have tried to authenticate using Telnet with the following results:

Code:
220 my.domain.com ESMTP Sendmail 8.13.8/8.13.8; Wed, 3 Aug 2011 14:27:00 GMT
ehlo my.domain.com
250-my.domain.com Hello mytelnethost.btcentralplus.com [109.xxx.xxx.xx], pleased to meet you
250-ENHANCEDSTATUSCODES

[Code]...

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Server :: Sendmail Not Forwarding Email To Domain's SMTP?

Apr 9, 2010

I have a server "test1" in domain [URL]. I installed sendmail on it. I have another mail server "mailsrv" installed in [URL] which is my primary mail server and contains all accounts and mailboxes. Now when I send email to [URL] from [URL] it sends successfully. But when I try to mail to user1@abc.com it tries to search user1 in [URL] but I want it to forward this mail to mailsrv.abc.com over SMTP port. Delivery will then be taken care by [URL]

My log shows following

Code:
Apr 9 18:37:06 test1 sendmail[7512]: o39Db6Hs007512: to=user1@abc.com, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30047, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (o39Db6Il007513 Message accepted for delivery) It should not go to relay=[127.0.0.1], it should go to relay=[10.10.10.1]

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Slackware :: Configure Sendmail To Use Gmail As SMTP Server?

Apr 19, 2010

It seems my sendmail (running in slackware 13.0) cannot send out emails correctly. I guess I need to tell it what is the smtp server to use. And, I heard, gmail's smtp server is available to use for this purpose. How to configure my sendmail this way?

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General :: SMTP AUTH, Sendmail Client To Postfix Server?

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

[Code]....

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Server :: Sendmail To Verify Sender Enveloppe Even Though SMTP AUTH?

Aug 1, 2010

I got one last stop until I've fully configured my Sendmail server. I want the server to verify which address the sender is using when sending mail. Even though authenticated via SMTP AUTH or mailing from an IP listed as RELAY in access.db, the user should not be able to use whichever address he likes.

Ideally, I would like Sendmail to use a file that looks something like this: Username sername@Server.org

where, if logged in with Username, the only accepted sender address is Username@Server.org. As of now, Sendmail just verifies that the sender domain exists and then relays which I don't like. This also applies to a lot of other servers as well... for example in the cases where ISPs have blocked outgoing port 25 and let all their users use their SMTP server. I assume, if they don't use SMTP AUTH which is not the case where I am, that they have their entire IP range listed as RELAY and therefore, using my ISPs SMTP when in their net, I can send mail as whomever I like as long as the sender domain exists.

I've had a look at filters but haven't found any suitable and I assume that this might be realised through a Ruleset or something. What do you think? Have I missed something making this a really stupid suggestion or am I on to something? It would make my day

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Server :: RHEL - Sendmail Delay In Connecting To SMTP For Some Addresses Only

Jun 4, 2010

Sendmail on the RHEL server is set up to forward email to company internal mail server (via SMART_HOST). This has worked fine for years.

From the server, doing a sendmail dave@company.com, the message is sent immediately. No problems - and no change here.

From the server, doing a sendmail roberto@compania.com (compania is the part of the company in Mexico) causes a 2m40s delay before sendmail does anything.

No packets are sent until after 2m40s wait. Message is always sent after the delay. It is not clear what the server is waiting for.

For *each* user in the @compania domain specified in sendmail command, an additional 2:40 is imposed before email is sent. Email is always sent after the n*2:40 sec delay.

Sending email to some_name@AnUnusedDomainNameThatDoesntExist.com is processed immediately - with a bounce email received in a couple of seconds.

Q: How do I determine where this 2m 40s delay is introduced?

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Networking :: CentOS Mail Setup - Sendmail Via External SMTP Server

Jul 30, 2011

I 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.

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Server :: Sendmail SMTP Send Doesn't Work With OS X 10.6 Mail.app Clients

Aug 3, 2010

I've been having this problem since 10.6 released, but have until now been successful with the "just use Thunderbird" response. My sendmail server hasn't been changed, but as clients upgrade from OSX 10.5 to 10.6 suddenly mail.app will no longer connects to send SMTP messages through the server. (IMAP connections to the same server using the same user/pass combinations work perfectly) When I look at the logs, things basically stop right after the STARTTLS command.

Google indicates alot of people are having similar problems, but I'm not seeing any solutions. Do any of you administrate sendmail servers where some of your clients are using Apple's Mail.app on Snow Leopard, and if so what settings are you using? At this point, I'm happy to make changes to the server to accommodate Apple's issue, I have too many Mac users connecting to my server. I just can't figure out what to change. I've enabled virtually every possible login authentication combination, and none of them work.

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Ubuntu :: Send Messages, With 20+ Accounts ( Different Emails, But One Domain / SMTP Server )?

Jul 21, 2011

Has thunderbird (recent version) have a "TEST" function ? basically, i'm trying to send messages, with 20+ accounts (different emails, but one domain / SMTP server). one account works fine - the other one doesn't. i go to my "outgoing server" & everything is fine - usernames / ports etc..) The settings for each account do show the right outgoing server. If i 'send later' & close down thunderbird, 7 re-open - it asks me for my password again (which it saves), & then it is able to send the email.

QUESTION :- is there a TESt option that will test each & EVERY account in one timeslot ? Ie, will go through each email address - sends an email to itself (the same address), & sends it. it will then try the server again, to see if the email was received. & then give me a single report, of all the incorrect settings.(I've tried this 1 email account half a dozen times tonight & i dont know *WHY* its not sending on the 1st go.. )

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Server :: Configure Sendmail To Send Only Messages?

Mar 19, 2010

I have to configure sendmail to send messages only and not receiving any mails on a linux server when the mail server is on another server.how to configure sendmail?

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OpenSUSE Network :: Use Gmail Smtp Relay / Send Emails Form Server Using Gmail Account?

Oct 28, 2010

I would like to send emails form my server using my gmail account.Does anybody know how to do it?

OS = OPENSUSE 11.3 server installation - NO GUI....

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Server :: Messages Stuck In Sendmail Queue Beyond ConfTO_QUEUERETURN Lifetime?

Sep 2, 2010

Messages are stuck in my server's /var/spool/mqueue/ folder beyond the lifetime I have specified in confTO_QUEUERETURN (5d). Any idea why this could be? The file permissions appear fine; files in the mqueue folder show rights of: Code:-rw------- 1 root smmspThis is causing an issue because the queues are slowly getting larger and larger. I'm seeing the queue size consistently growing. maillog shows entries like: Code:grew WorkList for /var/spool/mqueue to 28000Just thinking outloud -- could the queue runner not be completing it's job in time? Maybe I could check with time sendmail -q

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Networking :: Local Smtp Server And Smtp Server Of Domain Registrar Simultaniosly?

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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Server :: Server Configuration For Small Office Server, Which Smtp, Pop Imap Server And Backup?

Apr 2, 2010

I have installed a linux server in my office to run 16 machines. Its main use will be a internal mail server but will be also running websites.

I have installed Ubuntu 9.10 server x64 and have got apache running.

I am looking for the simplest more robust solution for smtp, pop3 and imap. I have only ever used qmail before and found it a pain to configure and its getting old so I though I should probably try something new. I have not much experience with running pop3 or imap on linux so would love a suggestion on that.

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Server :: Server Status Command Output Getting Dumped To Smtp Server Instead Of A File?

May 24, 2010

I am working on linux server with below specifications.Linux EDT 2008 i686 i686 i386 GNU/LinuxWhile checking the status of the server using the command 'opmnctl status' and when server is down the output is not getting redirected to file.I m using the command as,opmnctl status > abc.txt.

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