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

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2answers
1k views

SBS 2008 Email Distrubition Groups - Permissions

is it possible to limit the email addresses that use an Email Distribution Email group? For example: Person A - Send emails to Group B saying the office is closed due to bad weather. Group B: ...
0
votes
3answers
129 views

Shared Email and Storage Across Multiple Companies

My company is setting up a partner company. Some work may be subcontracted from one company to another. In these cases it would be useful to be able to share email domains, disk storage and so on. ...
0
votes
3answers
2k views

SMTP server for Linux with simple configuration

I'm looking to replace our aging mail server and I've decided that I want to change the SMTP server software we use. We currently run exim. Over the years I've worked with a number of other MTAs ...
-1
votes
1answer
452 views

Hotmail blocks company emails, when hyperlink is inserted in the message body [closed]

I received the following results: ========================================================== Summary of Results ========================================================== SPF check: pass ...
-1
votes
1answer
861 views

Ubuntu: How to change Dovecot POP3 default port to 110?

I was trying to log in to my email from Gmail POP3 feature and I had to try every single port to connect to my mail server. What's the command on terminal or what file I have to change the Dovecot ...
-1
votes
2answers
374 views

Fedora Email Forwarding (Postfix)

I would like to forward all email sent to non-existant users on my fedora server to my gmail account. Is there a simple way to do this? How would I forward all email?
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votes
1answer
44 views

Email forwarding by domain

Can sense.com ( domain) receive all email and then forward to newtest.com(another domain)? For example, sent email to abc@sense.com , by the DNS, email will transfer to @sense.com first. And then ...
27
votes
7answers
3k views

Why is it a bad idea to use a customer email as the from address

I've got an application that emails users once they have filled in a form. It uses a no-reply@customerdomain.com as a from address. The customer wants it to use the email from the form as the from ...
13
votes
3answers
9k views

How can I make Amazon SES the default method of sending mail from my server?

I'd like to start using Amazon SES for all emails from our server. We have a few freelance designers with PHP hosting, some Django/Python web apps and also some system utilities which send emails. So ...
6
votes
1answer
24k views

How to configure sendmail to send email via GMail (smtp.gmail.com), using port 465 or 587?

I have configures sendmail to send email via my GMail (Google Mail) account, i.e. via smtp.gmail.com, by editing /etc/mail/sendmail.mc and regenerating sendmail.cf: -dnl ...
13
votes
2answers
8k views

Hotmail marking messages as junk

I was having problems with emails sent from my server being blocked completely by Hotmail, but I found out Hotmail had blocked my IP and by contacting Hotmail I had the block removed. See this ...
7
votes
5answers
6k views

Find the php script thats sending mails

Is there any way for me to find the php script that is sending emails. I have apache+php ( no mod_suphp neither suexec ) in a "standard" install, and i want to find out witch php script is sending ...
6
votes
1answer
2k views

Amazon SES e-mails ending in Yahoo & Hotmail Spam folders, even though SPF and SenderID and DKIM are set correctly

This is incredibly frustrating. My Amazon SES e-mails are ending in Yahoo & Hotmail Spam folders, even though my SPF, SenderID, and DKIM are setup correctly. Since this particular site requires ...
3
votes
6answers
9k views

Send email alert on log file entry?

Under Linux, what's a simple way to automatically watch a logfile, and email me if a certain string appears? I have an application that will log certain failures to a logfile, but has no built-in way ...
17
votes
9answers
2k views

Gmail and Live are making all messages from my server as spam

I'm getting very weird results here. When my server sends an email to my @hotmail or @gmail account, it's marked as spam. When I send email through my server from Outlook to @hotmail, it doesn't get ...
14
votes
7answers
13k 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] ...
11
votes
2answers
9k views

How to redirect all postfix emails to one external email address?

To create a test email server, I have a similar requirement as: http://serverfault.com/questions/94640/how-to-redirect-all-outgoing-email-from-postfix-to-a-single-address-for-testing But I need to ...
8
votes
3answers
25k 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 ...
6
votes
5answers
2k views

Getting stats about deliverability from postfix

At work, our CEO is working on a plan to move away from a service provider who do our Spam filtering, etc. Currently, all our mail gets relayed out through this service, and all incoming email gets ...
5
votes
6answers
8k views

Emails going to Junk for Hotmail recipients

We send daily mass emails to our customers (~30,000+ emails per day). We have problems with Hotmail users receiving our emails. Sometimes the email goes to the Junk folder, but often it will got to ...
4
votes
3answers
2k views

Postfix 'load balance' sending IPs

I got a server with 8 IP addresses to use as a mail server (With PostFix). I want PostFix to rotate the IP and hostname for each message. I found the config parameter smtp_bind_address = 1.2.3.4 ...
3
votes
3answers
4k views

Ec2: Setup mail to send emails

Can someone teach me how to configure a centos instance to send mails. My intention is to send mails from a bash script based on some signals and alerts to a build user. I don’t intend to use it ...
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4answers
2k views

Prevent spamming [duplicate]

How to prevent spamming in Cpanel / Linux server ?
12
votes
2answers
3k views

Is using SOFTFAIL over FAIL in the SPF record considered best practice?

Or put another way, is using v=spf1 a mx ~all recommended over using v=spf1 a mx -all? The RFC does not appear to make any recommendations. My preference has always been to use FAIL, which causes ...
8
votes
7answers
7k views

Simple Mail System for Ubuntu?

What I'm looking for should be relatively easy. All I want to do is setup something VERY small for Ubuntu that will allow me to use the mail() function in PHP from my web server (/var/www/). I don't ...
7
votes
4answers
4k views

SMTP message rate control on Ubuntu 8.04, preferably with postfix

Maybe I am chasing a bug but I am trying to set up a smtp proxy of sorts. I have a postfix server which receives all the email for a collection of servers/clients. It them uses a smarthost ...
6
votes
1answer
6k views

Exchange 2010 Out of office doesn't show original senders email address

When one of our users is on holiday they will set their Out of office message and change the Out of office rule to forward all emails received to a colleague. This has always worked very well for us ...
6
votes
3answers
20k 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 ...
6
votes
1answer
8k views

Can postfix be set up to forward mail to multiple recipients

I have the following postfix virtual file: test@domain.com bob@me.com This correctly forwards all emails to test@domain.com to bob@me.com However I would like to forward these emails to ...
5
votes
3answers
10k 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 ...
4
votes
3answers
2k views

How can i send /var/mail/root again?

Through some missconfiguration i've a lot of emails in /var/mail/root and /var/mail/www-data How can i "loop" over these files and send each mail another time? Thanks in advance!
4
votes
3answers
961 views

What's the difference between POP3 and IMAP for e-mail?

How does IMAP differ from POP3 and what are the pros/cons of each and why choose one over another?
4
votes
5answers
33k views

How do I configure reverse DNS for a SMTP server [duplicate]

We use iis 6 to send out emails for our website but some email addresses bouce backs. It only appears to be 2 addresses. There is at least 100 different email addresses sent to at the same time as ...
3
votes
2answers
3k views

How can I route some emails to a script in Postfix?

How do I route all emails directed to user-*@example.com (i.e. user-1234@example.com) to a pipe command in Postfix? The idea is to create craigslist-style anonymization by assigning dynamic email ...
3
votes
2answers
4k 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 ...
20
votes
3answers
1k views

What are the best methods for catching snowshoe spam?

I'm using Smartermail for my small mailserver. We've been having a problem lately of getting waves of snowshoe spam that follow the same pattern. They come in batches of 3 or 4 at a time. The ...
14
votes
6answers
968 views

How do you monitor a monitoring server?

So we run Groundworks (with Nagios) on CentOS to monitor our various servers and processes. I have it setup to automatically send emails and SMS texts when things reach a WARNING or CRITICAL state. ...
6
votes
5answers
5k 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
5answers
2k views

Email notification about each SSH connection to Linux server

I would like to be notified about each SSH connection to the Linux (Debian) server. Already saw some methods, which proposed to add mail command into own .bashrc, but this approach seems not to cover ...
5
votes
4answers
2k 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 ...
3
votes
3answers
969 views

How do I prevent mail from my Exchange server from being blocked?

Recently one of our client machines was infected with a virus and I believe was spamming addresses in the user's contact list. Since then our server has been appearing on blacklists and it has been ...
2
votes
4answers
17k views

CNAME lookup failed temporarily. (#4.4.3)

A friend of mine just told me that he can't send mails to accounts on one of my servers via the SMTP server provided by his ISP. The error message in the bounce he gets reads: Hi. This is the ...
2
votes
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 ...
2
votes
4answers
5k 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 ...
1
vote
2answers
224 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
7answers
531 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
2answers
2k 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
6answers
587 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
601 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 ...
9
votes
2answers
18k 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 ...