Refers to the hardware or software that make up a server dedicated to sending and receiving emails. Many popular modern email servers bundle other functionality for contacts and calendaring along email delivery.

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0
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3answers
288 views

Emailing hundreds of thousands of users for a newletter, company server or service? [closed]

My company has a website with a lot of visitors per day. We are planning to email hundreds of thousands of users. I read somewhere that your email reputation is build on your domain, we have very good ...
2
votes
1answer
231 views

How do I configure my domain and web application so the emails send from the latter are not blocked as spam?

I have a WordPress site that needs to send notifications to an email address. I would like the from field from this emails to be an address on my client's domain. I dont know much about email ...
2
votes
1answer
132 views

Outgoing emails from China based VPS rejected or marked as spam

I just switched email service provider from Google apps to a VPS with a Hong Kong host. Now I find a huge part of all outgoing emails ending up in spam boxes and in some cases getting totally rejected ...
1
vote
2answers
110 views

How can i test if postfix really uses secondary mailserver if first one is not available?

when i query for the mailservers of domainx with "dig domainx.com MX" the result is: ... ;; ANSWER SECTION: domainx.com. 55188 IN MX 120 mail2.domainx.com. domainx.com. 55188 ...
2
votes
2answers
3k views

Does Exchange 2010 impose a maximum length for individual headers? If so, what is it?

Does Exchange 2010 impose a maximum length for individual headers? If so, what is it? Let's say a user sends an email to 200 recipients, resulting in a TO: field having 200 email addresses (very bad ...
1
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2answers
1k views

Postfix tuning for high amount

I have do some benchmarks with postfix, where we send out 6 KB HTML Mails. We followed all tuning instructions published by Postfix and used Ramdisk for the queue. We was not able to send above 50 ...
0
votes
1answer
188 views

sendmail access table

I've block a domain abc.com in sendmail access table. i.e: abc.com REJECT Now i want to allow above domain for xyz.com. I've tried this as below, xyz.com RELAY abc.com REJECT But it did ...
1
vote
1answer
1k views

Error 550 Mail Relay Message Could Not Be Sent

I'm not sure if this is the right area to ask, but here we go. I have a client who has a couple websites on a Windows server with MailEnable as the mail manager. Any emails being sent from the server ...
0
votes
1answer
833 views

exim “temporarily rejected after DATA”

for two days now I always get the following message when receiving or trying to send mails in /exim4/mainlog 2011-12-09 15:05:41 1RZ153-00028W-AS DKIM: d=gmail.com s=gamma c=relaxed/relaxed ...
1
vote
2answers
2k views

A good Mail Server tutorial? [closed]

I recently got a VPS and is in the process of making it into a web server. I got everything setup but mail. I've been working on this mail server for a bit, but I haven't had much time to work on it. ...
0
votes
1answer
53 views

Moving spam from filter to mail server

I was wondering if its possible to take messages quarantined by a Spamassassin box and move it to the users spam folder residing on an email server. In my case I would want to move mail from an ...
0
votes
1answer
32 views

IMAP email not received but it is in the logs

Our server has apparently lost some email. The company's client says that 2 emails were supposed to have been received and I looked through /var/log/mail.log* files by using zgrep and the two emails ...
2
votes
4answers
239 views

Is SASL not supported in Postfix on FreeBSD?

I'm managing a mail server that was set up on FreeBSD that runs Postfix and Dovecot. When I type postconf -a, nothing is returned. As I understand it, this command should tell me if SASL is supported ...
0
votes
2answers
341 views

Cannot Receive Email - Troubleshoot DNS

I'm somewhat green when it comes to network administration, and I'm having some trouble configuring my DNS records so that I can receive e-mail to an e-mail server that I've recently set up. I'm able ...
2
votes
2answers
10k views

How to start dovecot?

I'm building a web server to host multiple websites. I got everything working except the mail server. I'm using linode to host my vps and I've been following their tutorials. FYI, I'm using Ubuntu ...
1
vote
1answer
339 views

Using policyd on CentOS to throttle each account's maximum emails on a per-hour basis

I want to apply per-hour mail limits using policyd in CentOS. I want to restrict each email account on the server to only be able to send out a maximum of 50 mails per hour. How can I do that?
0
votes
3answers
393 views

Catch-all subdomains email

I want to catch all emails sent to * @ *.domain.com to a single account, how do I do that? I've already set up a wildcard MX record, and it resolves correctly. But I'm having trouble finding any ...
0
votes
1answer
171 views

Mailman for lists with an external mail server for mailboxes

I learned how to setup Mailman with Postfix for a domain like "@lists.domain.com But for regular mailboxes for this domain, I'd like to use the free email hosting solution of the hosting company ...
2
votes
1answer
86 views

Rejecting bad attachments best practice?

When configuring a mail server, what is the best practice for rejecting an inbound internet email with an executable type I'd like to disallow? Easiest option is an NDR/DSN, but I'd think that could ...
0
votes
2answers
371 views

How to show users the reason for a message being bounced or rejected by Postfix? [closed]

A user would like to be able to view a web page showing any emails that a Postfix server has either been unable to send, or unable to receive. For example if the user was supposed to receive an email ...
0
votes
1answer
183 views

Debian 6 home server [closed]

I need some help to get started. I've been trying and trying to get everything working for my home server. What I want is a guide to install all this: LAMP (and the additions to this like ...
2
votes
4answers
2k views

Mail server compromised. Yahoo refusing mails

I think our mail server has been compromised. Today morning when I checked, there were 1298 refused mails from yahoo. with this message Messages from x.x.x.x.x(our ip) temporarily deferred due to user ...
0
votes
1answer
172 views

Spaces get replace with plus signs in subject and body of email

We have a emailing list we send out to set of subscribers which have the option of unsubscribing. The method used for unsubscribing involves a reply from the unsubscriber where mailing program looks ...
2
votes
1answer
163 views

Auto email from IP is bouncing back

I'm working on an e-commerce website based on ASP Vb. which has auto email(HTML) after people placing order, requesting forgotten password, etc. MY problem is after email has sent, basically I get ...
1
vote
4answers
415 views

How can I easily set up an email server for development purposes?

I'm developing a webmail UI, but I can't use Mailgun or my Gmail account, as I need public and shared namespaces. I tried to install Dovecot, but it required tons of configuration. Is there a server ...
0
votes
1answer
773 views

PostFix Blacklist Configuration

I have setup up a basic email server using PostFix with Dovecot/IMAP. But i face some issue with the blacklist setup. below is my postfix main.cf smtpd_recipient_restrictions = check_sender_access ...
0
votes
1answer
154 views

Spamassassin does not work with virtual emails

I have a mailserver running with postfix/spamassassin/amavis/dovecot/mysql... under debian squeeze and all seems to work fine, except one thing: Email forwarder (virtual aliases) never gets scanned by ...
0
votes
2answers
284 views

No outbound mail on SBS 2008

I have an SBS 2008 server that is using ATT DSL with a dynamic ip address. (please no lectures :p) I can receive mail all day long, but I cannot send mail at all. I assume this is because ATT has ...
1
vote
1answer
257 views

In exim's queue, how can I see when each message will be retried?

I don't want to force a retry just yet, I want to see when I should check the queue again. (Without having to mentally evaluate the retry configuration.) mailq only shows how long each message has ...
3
votes
1answer
116 views

set up another email server(@demo.local) within a large company(@example.com)

I want to set up an email server in a large company, and actually they already have their mail server, and I wonder if I want to set up another internal email server (specific for our solution, no ...
0
votes
3answers
142 views

How to determine the best location (country) for an email server?

Is there any advantage to have an email server in the same country as the email account holders? Example: All emails are from people of country A. They send and receive emails mainly from/to ...
0
votes
1answer
64 views

email problems with directing to local ip [closed]

I am trying to direct emails to a local ip address and using another ip for website. The local guy told me to set it up like this but it is not working . It is still going to the local webmail on my ...
6
votes
2answers
4k views

Forward incoming mail on Linux server?

I am trying to set up mail forwarding on a new server of mine. For example, I want emailaddress@mydomain.com to forward all email sent to it to, say, otheremail@gmail.com. I do not need/want to be ...
2
votes
2answers
1k views

fetchmail/sendmail/procmail alternative

is there a program out there that can download mail from an imap account to a local machine for local reading with a program like mutt? I'm finding the whole fetchmail/sendmail/procmail pipeline setup ...
-1
votes
2answers
279 views

Overview of multiple mx server set up

Would someone please show me the overview of how multiple mx for a single domain is set up to communicate with each other? I am not talking about how to configure the postfix or DNS mx entries, I am ...
0
votes
2answers
1k views

Pipe all incoming mail to a command (exim4)

How can I setup Exim to pipe all incoming mail to a command (PHP)? and never reject an email? I'm using Debain squeeze, and Exim4
0
votes
2answers
145 views

Fix error on postfix (Build to smtp server)

I setup postfix as command_directory = /usr/local/sbin config_directory = /usr/local/etc/postfix daemon_directory = /usr/local/libexec/postfix data_directory = /var/db/postfix debug_peer_level = 2 ...
0
votes
1answer
594 views

Postfix not sending emails when sent from PHP

I have a PHP script that sends emails using PEAR mail. However on my new server it is not sending the majority of emails. Postfix is the mail server and opensuse 11.4 is the os. My Postfix does not ...
1
vote
1answer
211 views

Is it possible to use one wildcard subdomain for both Web and Incoming Email?

Is it possible to use one wildcard subdomain for both web and incoming email? So, for instance: random01.example.com => handled by web server user01@random01.example.com => handled by email server ...
1
vote
1answer
214 views

Catchall email server in amazon AWS [duplicate]

Possible Duplicate: How to catchall email to a single user mailbox in postfix I want to set up a Catchall email address for a system we are developing. We're thinking on using amazon AWS, ...
12
votes
5answers
9k views

Do SPF Records For Primary Domain apply to subdomains?

I have a quick question regarding SPF records: Do they need to be present for all subdomains? Lets say that I have a TXT record with SPF info for domain.com Let's also say that I have a seperate ...
0
votes
4answers
4k views

Google Apps as SMTP relay?

We have linked the domain of our company to Google Apps and we also have a Kerio Connect (mail server) installed in our company which uses Google as SMTP relay. As google requires SMTP authentication ...
1
vote
2answers
2k views

Changing qmail's outgoing IP

QMail uses the server's default IP as its outgoing IP. How do I change the IP to something else? I tried the instructions in the following links but they don't work in my case. ...
2
votes
3answers
150 views

Simple Windows mail server recommendation [closed]

We want to migrate from MDaemon to another simple mail server. Our main requirements are: simplicity antivirus support we need to be able to import emails from MDaemon (I think it will be simply ...
-3
votes
1answer
68 views

how to add a domain to receive email from without restarting mta [closed]

So i've been wondering that google apps adds a domain name to accept mail for that domain, but i am sure they would not go about restarting the mta to reload the settings every time. how do they ...
1
vote
1answer
175 views

Access violations on Windows 2008 VPS

I'm running a Windows 2008 VPS with 2GB RAM. I'm trying to install hMailServer on the VPS but when I get to the "choose installation directory" dialog I get error messages that keep popping up and ...
0
votes
3answers
211 views

Mediatemple: One dedicated virtual server, multiple mailservers

I want to set up multiple mail servers within one dedicated virtual server in Mediatemple. For example, my server's primary ip address is 203.156.0.xx. My server has another IP address 203.156.0.yy. ...
0
votes
4answers
1k views

How to host email for multiple domains?

I'm building a multi-tenant CMS application that will be hosted on Heroku (which uses Amazon EC2, etc). I will also be adding the ability to register/transfer a domain through the application. I would ...
3
votes
2answers
374 views

Postfix & client IP reverse DNS

I explicitly added reject_unknown_client_hostname and several other reject rules to slow down SPAM in our server. So far that's working nicely. However, there is an important client that keeps ...
-2
votes
3answers
135 views

Antivirus for a mail server to scan emails for virus

I have a requirement as follows "I have a site in which the end user is asked to upload a file which is directly sent to the client. Those files are not stored on my server. Now the issue is I don't ...