SMTP is the Simple Mail Transfer Protocol, the most recent standard of which is defined in RFC 5321. It's the Internet standard for sending and receiving email.

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Win Server 2003 VPS - MailEnable?

I've got a 64bit Windows 2003 VPS server. I need SMTP and POP for a low traffic website. Essentially there will be 1 POP user (admin@mywebsite.com). I want to do everything possible to make sure ...
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2answers
912 views

Ubuntu Based SMTP Server?

We are currently using this SMTP server by Argosoft for sending emails from various web applications running on different servers throughout our network. This thing runs great but I would like to ...
4
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1answer
15k views

Postfix: How to make aliases work for virtual domains?

I'm trying to set up a local mailserver. I run Mac OS X Server 10.6 Snow Leopard, and it uses Postfix as server. I set the server up using the GUI and I'm doing all virtual settings via the terminal. ...
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1answer
467 views

How do I view headers, and message source in Hotmail [closed]

Hotmail changed their interface, and now I can't right click on the message (in list view) and view headers. Also I can't see the page source, besides the clutter within the regular HTML markup. Can ...
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1answer
214 views

Can sendmail be used as an SMTP server?

I'm trying to setup debugging in my Pylons website and it allows for emails to be sent when an error occurs. The configuration asks for an SMTP server. It's running on Linux and I've always thought ...
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1answer
117 views

Inbound SMTP Access Problem

I setup an e-mail server(smarter mail) in my vps. Everything works fine except the inbound SMTP server. I can send email but cannot receive. All the required ports and programs are allowed on firewall....
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4answers
291 views

Exchange Antivirus - On Box or in the Cloud?

Our Exchange aware antivirus product is due to be renewed in a little over a month. These days it's reduced to doing little more than antispam and attachment blocking. Part of me is tempted by a ...
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2answers
551 views

using a commercial mail server to route emails to aviod black listing [closed]

We currently have 6+ web application servers all doing direct delivery from IIS ( SMTP service ). Every couple of months we have to clear ourselves from block lists and having no visibility of emails ...
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2answers
2k views

Postfix restrict which users can send out without authentication

Possibly a simple question but I'm trying to lockdown which users can send email from the local machine. I've locked down which ones can receive by running newaliases on an /etc/postfix/...
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3answers
6k views

Postfix & TLS is configured correctly, but Thunderbird throws cryptic errors when trying to send email via SMTP & STARTTLS?

I've just recently installed CentOS 5.5 and Postfix for the first time ever. I've followed 2 different tutorials which are supposed to enable TLS on the SMTP server. Both of which told me to create a ...
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1answer
560 views

Sendmail - use custom port for specific domains

CentOS 5.x | SendMail Hi, I need to route email for specific domains to a custom port on a downstream server. Is there an easy way of doing this? I came across various instructions describing how ...
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2answers
2k views

554 Transaction Failed message on some messages only

One of our users has been sending emails to a particular client with no problem for the last year. Suddenly, today, he started receiving Undeliverable - 554 Transaction Failed messages for some of the ...
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1answer
292 views

problem with sending the full email body by smtp with javamail

i want to send emails to an address with a java program (using javamail) via smtp. it actually send the emails to the destination. the problem is the body of the email isn't send fully each time. ...
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1answer
308 views

Configure SMTP Service to deliver mails to SMTP Server

I've been having an issue configuring two servers for sending mails, the escenario is the following: We have a SERVER A, it is a Windows Server 2003, it has installed SMTP Services, but it is not the ...
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4answers
2k views

Send emails from Linux via Google SMTP

I've gone as far as I can go on my own, but I'm not a Linux guru and am now stuck. I've got an Oracle database running Oracle Enterprise Linux 5.1 on an Amazon EC2 instance. I migrated it from a box ...
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1answer
587 views

Disabling SMTP verbs on Windows 2008 & IIS

I am running the SMTP service from IIS 7 and would like to disable the SMTP "turn" verb. The SMTP service is configured through the IIS 6.0 Manager (if this helps) Google has not been too much help ...
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1answer
661 views

Unable To Relay

I have a 2003 Windows SBS that I have just setup users POP Connectors to get their mail into the Exchange 2003 Server (on the same box). I am able to receive email fine, but can't send email out with ...
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2answers
3k views

Recommended MTA for Windows Server

I need an mail server running on my web server that will just route email through other email servers. Exchange requires Active Directories which just complicates an otherwise simple setup. What are ...
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1answer
470 views

Configure mail server to relay through another mail server

I'm a developer and I'm currently building a hosted ecommerce solution. One thing the software must do is email customers on behalf of the vendor. However, one of the business requirements is that ...
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2answers
1k views

Use of Blat with gmail or yahoo without stunnel

I am trying to use Blat for the distribution of a report from a machine that is not on the corporate network. The ISP connection is residential Fios and blocks port 80 and I believe local smtp ...
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6answers
3k views

What is causing email sent from my Google Apps account to bounce?

I have started to get Delivery Status Notification (Failure) messages in response to emails sent from my Google Apps domain account (at offby1.net): Delivery to the following recipient failed ...
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4answers
2k views

SMTP Port Redirection

As you know most ISP's block port 25 on outgoing mail. Some of my clients wish to use our mail server as an outgoing mail server. However, we do not have TLS or SSL. Is there a way to accept incoming ...
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2answers
2k views

Getting the error “SMTP server cannot create a file in the queue directory C:\Inetpub\mailroot\Queue\”

We're using the default SMTP server for our websites to send mail with, but in the last day sending messages started getting this error: Insufficient system storage. The server response was: 4.3.1 ...
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3answers
4k views

Anyone have a Powershell script to look up the MX record for a domain?

I want to check to see if the email addresses in my contact management system are valid and the best way I can think to do this is to get the MX record for their domain, then open an SMTP connection ...
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4answers
2k views

Exchange 2007 server send out spam

Our exchange server is sending out spam, as it has been listed on various spam blacklist and not to sure know how to stop it. I've started with verify SMTP with a site like http://www.pagasa.net/test-...
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2answers
5k views

Posfix smtpd_sasl_path seems does not work for me

I have such configuration: /etc/postfix/main.cf smtpd_sasl_type = cyrus smtpd_sasl_auth_enable = yes smtpd_sasl_path = /usr/lib/sasl2/smtpd /usr/lib/sasl2/smtpd.conf pwcheck_method: auxprop ...
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1answer
288 views

SMTP blacklisted email response code

I am implementing a blacklist filter for a SMTP relay, which allows the user to define rules based on sender email, receiver email, sender ip or a combination of these. What SMTP status code should it ...
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2answers
689 views

Set up an SMTP server that catches & stores all mail

I need to set up a SMTP server in a dev environment that will accept all mail sent to it (for any domain) and simply store it so we can later see what it has caught. What is the easiest way to set ...
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2answers
498 views

Can I have Postfix relay for everyone on a second port?

I have a Postfix instance on an EC2 server which will need to accept mail from the outside world (e.g. port 25 will be mapped to it from a virtual IP.) I also want to use this server to send mail ...
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5answers
640 views

Why is my port 25 so active?

Using netstat -na I notice that I have a lot of connections like tcp 0 0 XXX.XXX.XXX.XXX:25 YYY.YYY.YYY.YYY:13933 ESTABLISHED tcp 0 0 XXX.XXX.XXX.XXX:25 ZZZ....
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1answer
341 views

Send E-mail to SharePoint? Exchange is installed on same server

If this is even possible, what I need to do... My organization has a single sharepoint installation. On this same box, Exchange 2k10 is installed and running with all of the roles for that instance (...
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1answer
115 views

IIS SMTP setup and Received From?

When I telnet from my hosted server and start an SMTP session the Received from address is my IP address of the server. When I send mail from my smtp servcie in IIS I see my hosting company's mx ...
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1answer
71 views

Email Proxy Loop

I have an exchange server 2003 running in Windows 2003. I have an unnamed program that listened for incoming mail, signs it with DKIM and then should relay it back to the Exchange server. I am a ...
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3answers
2k views

How is LinkedIn able to send emails from my email address without getting flagged as spam?

When linkedIn sends and email to you about adding someone to your network, the email appears to come from this person's individual email address (not something@linkedin.com). To me it doesn't seem ...
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8answers
1k views

Linux iptables not working

I updated my iptables in Ubuntu 10.04, but it doesn't seem to be having any affect on the opened ports. When I run iptables --list, the following line shows up Chain INPUT (policy DROP) target ...
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2answers
3k views

Optimizing IIS 6 SMTP to send out large ammounts of email

Im currently working on a system that sends out a large number of monthly newsletters to subscribed users and customers (please note, this is not spam). We send these emails using IIS 6 virtual SMTP ...
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2answers
254 views

Is it ok that reverse DNS for my mail server resolves to www2.domain.com and not domain.com?

I am trying to make sure my mail server is set up correctly. One of the steps is to ensure that reverse DNS works. We email from ...@domain.com. When I test rDNS using nslookup i get: $ nslookup yast....
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1answer
5k views

Create a blackhole mailbox in exchange 2010 and relay

Hey everyone. I am trying to create a blackhole (noreply) mailbox in exchange 2010. I want a legitimate email address that will evaporate any email that gets sent to it. I have been googling and ...
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1answer
285 views

Free Email Server with Pickup Directory Like IIS SMTP server?

Is there a free email server that will run on Windows 2003 server with a Pickup direcotry like the built in SMTP server for IIS? I have an application that dumps mail into a pickup direcotry and the ...
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2answers
111 views

501 Multiple parameters to HELO not allowed

I'm sending out automated emails to some users and I get this error message back on undeliverable emails. The strange thing is that it's for only one domain (*@t-online.de). What multiple parameters ...
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2answers
380 views

need help setting up smtp from localhost

I'm running XP Pro, and I have a XAMPP setup. I'm learning Zend Framework, and I'm trying to use Zend_Mail. I guess I need to setup or configure my SMTP on my machine for this to work? Can anyone ...
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votes
2answers
3k views

Running several SMTP servers in EC2 behind one load balancer and single Elastic IP - will it work?

We have web application hosted on EC2. We use two Ubuntu servers: one is web server, second is database server. Web server has public Elastic IP assigned. Now we want to send notification mails from ...
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1answer
331 views

Can anyone explain what are the inbound and outbound relay in the mail server?

Can anyone explain what are the inbound and outbound relay in the mail server?
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2answers
4k views

Database mail won't send emails

I am trying to setup database mail in ms sql 2005. I setup but everytime I try to send a msg through their email tester it fails and I get this msg. Date 7/7/2010 10:54:12 AM Log ...
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1answer
5k views

SMTP Server for IIS 7.0 and Windows 7 - the main question is how to configure it?

Firstly I know that there were a lot of similar topics. What is more the most of them are advising to use hMailServer. Ok, ok cool! But the main question is how to configure this or that sh*t to work ...
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4answers
253 views

SMTP server requirements

Could someone help answer a few questions regarding the networking / DNS requirements for an SMTP server? Assume the server is setup already. Is a MX record required for SMTP? TCP port 25 open to the ...
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3answers
3k views

Is It Possible To Configure Team Foundation Server With Smarsh Exchange?

Our company recently migrated to an externally hosted Exchange server provided by Smarsh. Is there any documentation on how to setup Team Foundation Server (TFS) 2008 and 2010 with an external ...
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6answers
10k views

How to send Bulk email with SMTP server

How do email marketers get success while sending mails? Though their emails volume is very high, they can deliver mails with out any problem like spam or bounce. If we try to send bulk mails with our ...
4
votes
2answers
97 views

Spam addressed to a sender but received by everyone else

Spam's been getting through Postini lately that's addressed to a recipient (bob@example.com) in the To: field and in the headers. While this isn't that strange -- we've had spam get through before -- ...
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2answers
3k views

How to check SSL cert a mail server using SMTP commands

Anyone know how open a SMTP conversation with a mail server (over the SSL port, and not 25/110) and view info for the SSL cert is it, using SMTP commands?