The server configuration of email, including POP3, SMTP, IMAP, and popular server software packages that control email.

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5answers
4k views

Email sent from server with rDNS & SPF being blocked by Hotmail

I have been unable to send email to users on hotmail or other Microsoft email servers for some time. Its been a major headache trying to find out why and how to fix the issue. The emails being sent ...
5
votes
3answers
14k views

How do I Forward root's email to an external email address?

I have a small server (Ubuntu 10.04) at my house and I would like to forward root's email to my gmail hosted domain to get security notifications and what not. I ripped everything out and started ...
5
votes
4answers
1k views

How do you test a new email filtering system?

What method do you use to test or evaluate potential new email filtering systems before you set it up on your production network? I am particularly interested in methods that are appropriate for ...
4
votes
3answers
7k views

How do I temporarily suspend mail delivery to a specific domain (non-local) with Postfix?

Using Postfix and custom transports I can manage delivery speeds depending on the recipient's domain. (For example, I send max one message per second to *@hotmail.com) I also use similar rules to ...
2
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2answers
177 views

Recommendations for an external email marketing service [closed]

First off, let me say that the small number of emails we send out are not spam. We include removal links and the emails are generally centered around free webinars that our marketing department hosts. ...
2
votes
2answers
482 views

What's your suggested mail server configuration for a FreeBSD server?

What would be your suggestion if installing a FreeBSD 7 (7.2, actually) email server? I am interested in: SMTP agent Imap/Pop backend Authentication (OS users, OpenLDAP) Anti-Spam server side tools ...
1
vote
2answers
174 views

SMTP Relay to capture attachments

Does anyone know of FOSS solutions (or general information) on setting up a Linux-bases SMTP mail relay that can do the following: Detect if a message has an attachment if so, save the attachment to ...
1
vote
4answers
3k views

What's the best way to send bulk email?

I have been using the sendmail function in PHP with Exim 4 so far when I had to send my mailing lists, I would like to know if there is a clean solution for that. I'm quite sure that Facebook isn't ...
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4answers
4k views

How do I setup a SSL mail server?

For a beginner, can anyone recommend a good method of setting up a encrypted IMAP server (on port 993) or at least TLS POP3 email ? There are plenty of examples of opportunistic client side email ...
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7answers
520 views

Looking for mass email delivery service [closed]

I'm looking for a solutions to deliver newsletters through a reliable service provider. Currently, I'm using Lyris List Manager software on my dedicated server to send out newsletters to opted in ...
0
votes
6answers
556 views

Redirect all incoming mail to another user

Preferably this could be done with a virtual instance of a mail server on an existing Linux machine but I'm willing to run a whole other install (Linux or Windows) to get this to work. Basically a ...
10
votes
1answer
560 views

How do I audit user's mailbox actions performed via IMAP in Exchange 2010?

I read through the Technet article on Mailbox auditing but it seems to only be working for MAPI access. I perform the following cmdlet to enable auditing of the owner: > Set-Mailbox -Identity ...
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6answers
9k views

My email server is being blocked by Yahoo: TS03 Message permanently deferred

My mail server has been getting the following error from Yahoo's mail servers since about a month: postfix/smtp[23791]: host g.mx.mail.yahoo.com[98.137.54.238] refused to talk to me: 421 4.7.1 [TS03] ...
8
votes
3answers
976 views

What good Active Directory + Exchange competition is there?

Based on this question regarding enhanced permission support in filesystems, what is the best permissions + directory and mail stack to compare against Active Directory on NTFS with Exchange? I'm ...
7
votes
2answers
7k views

How do I check a reverse PTR record?

I need to check a reverse PTR record to make sure that a script I have is sending emails which will actually received by my users and not incorrectly marked as spam. I understand that the ISP which ...
5
votes
3answers
16k views

how to disable remote wipe for Exchange 2010 ActiveSync?

When connecting android mobile devices to Exchange ActiveSync some require granting device administrator privileges which permit an exchange administrator to remotely wipe the phone. The warning ...
5
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2answers
3k views

How to redirect all mail from one domain to another in Postfix?

I have two forms of the same domain name, one being a common misspelling of the other, let's say tedswidgets.com and tedswigets.com. I'd like to redirect all mail for <someone>@tedswigets.com to ...
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votes
7answers
1k views

Receive email alerts from Linux file server

GOAL: Get a text file on my file server into my gmail inbox. The file server is running Ubuntu Server 8.04 I currently SSH into it from time to time and to check logs, SMART stats for hard drives, ...
3
votes
1answer
590 views

Why is SPF being validated against my mail server's IP instead of sender's IP?

I have a mail server "example.com" which forwards all emails with recipient "me@example.com" to "me@gmail.com". My mail server runs Postfix and it uses the virtual_alias_maps mechanism to perform the ...
3
votes
4answers
4k views

Create Exchange 2003 server side rule without logging in as user

I need to set up server side rules (auto-replies for users who have left etc), and having to login as each user and open Outlook is a serious PITA. Also any time that I have to create any rules for ...
3
votes
9answers
5k views

Reducing the Exchange 2003 database size

Our company is running Exchange 2003 on Server 2003. Our primary exchange store file (priv1.edb) keeps growing and is now at over 45GB. If I add up the size of the mailboxes in that store I get less ...
3
votes
2answers
2k views

Sendmail Configuration to not deliver mail to local machine

I have sendmail up and running on an Ubuntu 8.04 machine. It can send mail correctly to all but the domain to which it is a part. How do I configure it to not send to itself for email addresses on ...
2
votes
4answers
497 views

How can I route a SMTP message by FROM domain (not To, CC, or BCC)

I'm handling email for many different companies. Each company needs me to route all outbound email through a specific SMTP relay based on From address. What software configuration or technology ...
2
votes
1answer
205 views

2 separate postfix instances and confusion with IP's in received field of mail message

i have a problem with my 2 postfix instances. 2 separate IP's and coressponding domain names are setup on networking, they are working fine. I want second mail message (below) to have Received: from ...
2
votes
2answers
3k views

Processing incoming emails with Python

I'm developing a web application that requires that a registered username be able to receive emails to: <some-username>@<my-web-app>.com I need a way to be able to process the email ...
2
votes
4answers
202 views

Does sending e-mail in the name of customers increase the risk of being marked as spammer?

We are developing a SaaS website application that lets users send invoices to their clients. Ideally, these e-mails should appear to be originating from our customers, so the sender e-mail address ...
2
votes
3answers
894 views

Bulk email advice

I need to send email campaigns for my site. There are services like mailchimp but I want to send my own. Do you know any good VPS providers for sending bulk emails?. What are the issues (such as ...
2
votes
6answers
5k views

Cannot send email to Hotmail or MSN addresses

I am running into a problem at work where end users are unable to email Hotmail or MSN email addresses. We are running an Exchange 2007 server and the message itself is in HTML and contains no ...
2
votes
3answers
2k views

What is a good sendmail log analyzer?

We had a recent event where one of two servers running sendmail stopped sending mail, and built up a 7000 message queue before we noticed / fixed it. It's fixed now, but we don't know why it failed, ...
1
vote
1answer
1k views

Remove exim local username

How can i remove the local username in the mail headers with exim4 running on debian 6? Received: from root by host.domain.com with local (Exim 4.72) (envelope-from <reply@domain.com>) id ...
1
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1answer
2k views

how can i disable outbound mail in postfix?

i want to be able to send mail to someuser@localhost but not allow any mail to go out to the outside world from anyone to anyone. i've seen multiple entries about how to filter or restrict outgoing ...
1
vote
1answer
2k views

Mailman cannot relay e-mails to non-local domains

My e-mail server runs Debian with postfix, dovecot, amavis, mailman, with postfixadmin in a virtual domain setup. All works fine, except for mailman which is not able to relay e-mails to non-local ...
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3answers
2k views

How can I forward to a specific MTA based on email address?

How can I forward incoming messages to a specific MTA based on the username portion of the recipient's email address? I would prefer linux-based software, but Windows would work too. Background: Our ...
1
vote
2answers
1k views

E-Mail Bounce Management

we want to improve our mailing lists by handling all the bounces we get. As I saw there are different approaches. One checks the badmail folder in IIS mailroot folder. Others check a email account ...
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3answers
14k views

How do I set up SMTP on Windows Server 2003 to forward all emails to a given address?

I'm setting up an internal SMTP server to handle software tests which involve the sending of emails. I want to configure the server so that any emails sent to myinternaldoamin.com get relayed (is ...
1
vote
6answers
331 views

E-mail hosting [closed]

Does anyone have any company recommendations for E-mail hosting? We have around 80-90 e-mail accounts. The problem I'm having is finding a decent priced host that has a decent amount of space. So far, ...
0
votes
1answer
2k views

Postfix unable to create lock file, permission denied

I thought I had my postfix configuration all set up on my Amazon Ubuntu server but I guess not. I'm trying to set up an admin email account for 3 virtually hosted Apache websites. Here's my postfix ...
0
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3answers
2k views

postfix: catch outgoing mail and redirect

I'm trying to configure my postfix so all mail that goes through that has tld dev would be redirected to a root user, here is my config files: [alexus@wcmisdlin02 postfix]$ tail -1 main.cf ...
0
votes
2answers
1k views

Send emails from shell script without local mailserver

How can I send email from a shellscript (usually cronjob) without running a mailserver on the same host. Using a smtp server. Running Ubuntu. I looked a t various tutorials, but couldnt find a ...
0
votes
1answer
4k views

Postfix: virtual_alias_maps delivering everything to one user despite new domain

I have a postfix installation handling mail for a couple of domains, for which all mail goes to one real local user (cmb), and I want to add a new domain (let's call it example.org) for a second user, ...
6
votes
1answer
288 views

Should SPF records provided by ISPs contain “all” at the end?

This seems obvious or something I just don't understand. I want to build SPF records for my clients. Most of the email providers provide an SPF record that I can "include" in mine, but they all ...
5
votes
2answers
409 views

Why do I get search.com instead of “host not found”?

On my VPSs with LeaseWeb, whenever I reach an non-existent host, I get search.com domain name, and if I ping a non-existent domain from SSH, I don't get "host not found" but replies from IPs like ...
4
votes
3answers
4k views

uuencoded mail attachments display as binary code

I have run into a attachment display issue at a client who has recently switched from Exchange 2003 to Exchange 2010. The issue was initially perceived as affecting only Mac OS X email clients ...
4
votes
2answers
202 views

Running a mail forwarding service, what are some steps I should take to prevent my IPs being blacklisted

Background: I'm about to launch a service which offers email forwarding for a large number of domains. Say you want people to be able to contact you using you@somesite.com, all emails sent to that ...
4
votes
2answers
3k views

How to Specify outgoing HELO with sendmail?

How do you specify the FQDN (Host and Domain Name) that a mail server presents itself as in HELO/EHLO when sending outgoing email with sendmail?
4
votes
5answers
2k views

Why are emails sent from my applications being marked as spam?

I have 2 web apps running on the same server. The first is www.nimikri.com and the other is www.hourjar.com. Both apps share the same IP address (75.127.100.175). My server is through a shared ...
4
votes
5answers
5k views

Migrate IMAP account between providers - client access only

I have an IMAP E-Mail account with my old provider. I have a new, empty IMAP account with the new provider. Is there a tool or Thunderbird to migrate the E-Mail data from one account to another? I'm ...
4
votes
3answers
6k views

Send As Distribution Group Email Address?

We have a Small Business Server 2003, with a support distribution group. Is it possible to allow members of a distribution group, send emails from the group email address?
3
votes
1answer
281 views

Office 365 routing of internal domain messages

Our office uses both office 365 and Google apps. We were on Google apps first, and decided to give office 365 a try. Some folks liked it, some did not, and want to revert back to Google apps for mail. ...
3
votes
2answers
135 views

Alternatives to avoid domain from being blacklisted

We outsource our web and email hosting to a web hosting company and occasionally I get complaints from our clients or internal staff that mail from our domain does not reach the intended recipient or ...