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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2
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1answer
60 views

Move email hosting with no bounces?

Our web site and email is currently hosted by a shared hosting service. We'll be moving both of those to a VPS soon, and I'd like to make sure that we experience as few delays as possible, and no lost ...
1
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2answers
63 views

Should I put my email server in a public subnet or put in a private subnet and use load balancing / routing to route traffic from the internet?

I have 3 subnets setup in a Amazon VPC: public, private application, private database. My web servers are currently in the private application subnet and use a NAT Instance to see the internet. I ...
0
votes
1answer
37 views

Access email from check email from backup mail exchanger

I have hosted my website on godaddy. I have mx record (priority 0) to the mail server in the office. I have another mx record (priority 20, belonging to godaddy) as a backup to hold emails when the ...
1
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1answer
39 views

Second email “domain” on Server 2003

Pulled over from super user, due to lack of response. Currently small company setup on a sbs server 2003. We are set up with our domain 'sample.ca' In this setup all email is handles by exchange and ...
1
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2answers
347 views

Postfix virtual setup not delivering root-mails locally

I've got a postfix virtual setup with MySQL and dovecot. Everything is working fine, the only problem currently is that mails to root are not delivered locally as it should be. Instead, postfix ...
0
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0answers
14 views

MailEnable Forgoes Authentication for Local Recipients

I am running MailEnable 2.x on a rather active production server. I blocked any ability to send unauthenticated email through the server, and (in theory) turned off all domain spoofing abilities. ...
0
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0answers
450 views

CentOS 6.4 x64 iRedMail SMTP Error: (451): Failed to add recipient

been managing my own servers for a bit now, but new to mailservers in general. I have gotten iRedMail installed on my box (CentOS 6.4 x64), but I'm getting an error when it comes to actually sending ...
0
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1answer
194 views

how to configure Exim4 on Debian 7 so that email *from* foo.com VPS to anyone@foo.com goes to anyone@foo.com at bar.com?

So. There's two servers---foo.com which is a VPS, and bar.com which is a shared host running cPanel and has been configured to accept mail for foo.com. foo.com has a fresh install of Debian 7 and ...
1
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1answer
107 views

Email server can send internal, but messages never arrive at external recipients

I'm running MailEnable on my server, and have been for many years. Recently we had an attack on our server, and I was able to close the hole. Since then, our mail server doesn't seem to be sending ...
0
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0answers
29 views

Spammers sending out from an inactive domain

We have a shared hosting service running QMail and Plesk. One of our inactive clients was left active in the system by mistake, and spammers found their very weak passwords and sent out a massive ...
0
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0answers
40 views

Postfix mailserver 550 bogus response

So I have a mail server setup on my Amazon EC2 Debian instance and it's been fine for months however recently I received this response from a customer: <user@customer.co.uk>: host ...
0
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1answer
62 views

Setting up mail forwarding on Debian 7

Does any one know of any good guides/tutorials on setting up mail on Debian 7 so the system can send emails but doesn't accept mail locally? I've played with Postfix a little but I don't really know ...
0
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0answers
82 views

Use gssapi with Microsoft office outlook.

Currently in windows computer I have installed Kerberos for Windows. This allowed me to use sso with Thunderbird against a Cyrus IMAP. Thunderbird has the option of using GSSAPI. Is possible to ...
0
votes
0answers
54 views

Steps to make sure network is not blacklisted…Again

I have an interesting issue. I have a client that just got blacklisted due to spam being sent out over the last 2 days. I have my firewall configured to only allow mail to go outbound on port 25 ...
0
votes
1answer
378 views

CLAMAV on Centos Mail Server: Can't connect to UNIX socket clamd.sock

In my Centos 6.4 server, I am using Postfix and Dovecot with Amavis/ClamAV filter. Lately I have been trying to solve my spam problem(only occurs in Gmail and Hotmail) so I've been tailing logs. ...
0
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2answers
62 views

Which steps are required to avoid my server being considered as spam sender?

I'm looking to set up a webmail server that will be used by a lots of users that will receive and send emails. They will also have the possibility to forward emails they receive. I'd like to know ...
-1
votes
1answer
74 views

Mountain Lion Server reject spam

On Snow Leopard and Lion server there was a filter option to reject (bounce) unwanted spam. With Mountain Lion Server the filtering still works, but it only gets flagged as spam with *** JUNK MAIL ...
1
vote
1answer
323 views

Failure notice with my mail server, what to do?

I've build a simple Mail server for my personal use, but Google reject my emails whatever I do. I worked hard finding the initials problems (wrong SPF entries in the DNS), but now, everything seems ...
0
votes
1answer
138 views

No sasl auth mechanism available

I'm trying to use Dovecot+Postfix+Mysql so far everything worked fine. Since upgrading from Debian 6 to 7 I'm unable to send mails. Receiving is still possible. /var/log/mail.log Oct 22 15:21:24 ...
2
votes
1answer
90 views

Installing and maintaining an email server [closed]

I need to move hosting providers for four or five domains and for several reasons I'm considering a Linux VPS rather than staying with my current shared, managed hosting provider. The only thing ...
2
votes
1answer
32 views

Translating return receipts and postmaster messages

I was wondering if it is possible to translate postmaster message (return receipts, notifications, etc), or at least customize them. I ask this because my users (too) often call me in order to know ...
0
votes
1answer
42 views

How to block mails from a server in gmail

I am getting mails daily from different mail address like ry8029@fastmail.fm ry1532@outlook.com etc. Since , the mail Id is changing daily , I can't filter those mails. I checked that ...
0
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2answers
113 views

Same domain SMTP unauthenticated message relay [closed]

While I was doing some testing on an SMTP server I was able to successfully send mail from knownid@myserver.com to knownid@myserver.com through telnet without any authentication. From a risk ...
-1
votes
1answer
99 views

Migrating to postfix from qmail/vpopmail

Looking at moving to a new server shortly and thought I'd make the jump from a qmail/vpopmail setup to a Postfix one. Once I setup Postfix to use Maildir and create the virtual users for my domain, ...
-1
votes
1answer
196 views

Can't connect mercury mail smtp server outside local network

I'm using Windows Server 2008 R2, and Xampp with mercury mail. My problem is that I can't send mails via my server outside the server network. My SMTP server is using port 25, which is open and ...
0
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1answer
74 views

Should I put SPF checks before or after RBL checks in Postfix SMTP server?

I am setting up a Postfix SMTP server (pre v2.10) and was thinking to put the smtpd_recipient_restrictions as follows. smtpd_recipient_restrictions= permit_mynetworks, ...
0
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2answers
101 views

EXIM - Send local mail to Gateway First

My mail server is protected from spam by our Barracuda appliance. I'm trying to configure EXIM to forward ALL outbound messages to the Barracuda server first, including mail for local domains. Once ...
1
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0answers
77 views

Configure postfix to limit total number of connections from any and all SMTP clients in a given time period?

I am trying to figure how to configure Postfix to operate within the requirements given by Spamhaus for free usage of their DNSBLs (http://www.spamhaus.org/organization/dnsblusage/). They specify that ...
0
votes
1answer
233 views

OS X 10.4 Server SMTP Server timeout [duplicate]

I just set up my server today with one of my new static IP addresses to act as a mail and web server. The web server is working fine, and the mail server is working fine to receive mail, but I am ...
1
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1answer
96 views

Making sure Postfix MDA and Dovecot IMAP understand mailbox location?

I want to setup Postfix and Dovecot with Postfix as the SMTP MTA (mail transfer agent) and the MDA (mail delivery agent) and Dovecot just as the IMAP server, but I want to make sure that they each ...
1
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1answer
67 views

What are the effects of having the TLS certificate and private key in same file?

I have noticed that a number of different web and mail server software allow or require you to provide the TLS certificate (including server certificate, CA intermediate certificate, and CA root ...
1
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1answer
427 views

PHPMailer script stopped working with cryptic SMTP error messages

I am trying to send mail in a PHP script via the PHPMailer library. The following code has successfully sent emails in the past without warnings: function mail_attachment($filename, $path, $mailto, ...
0
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0answers
22 views

I can receive emails but not send in one of the frontend. - Cyrus Murder - lmtp_passwd.db: No such file or directory

I am using Cyrus Murder, I have: 1 frontend which is also mupdate. 1 frontend. 1 backend. From the frontend which is also mupdate I can send and receive. From the other frontend I can only ...
0
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0answers
326 views

lmtp: connect(backend) failed: Connection refused

A long time ago I'm trying to fix this error but I'm still locked, I appreciate any help :). I detail all that I have and what I am trying to do. I am using Cyrus Murder and apparently everything ...
-1
votes
1answer
24 views

Qmail mail queue behaviour

hello I am on ubuntu linux distribution I am using qmail. I have some mails blocked in queue. how can I check why those are not forwarding correctly ? root@server:~# /var/qmail/bin/qmail-qread 18 ...
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0answers
31 views

cannot find executable for service 'mupdate'

I have installed from the repository cyrus imap (cyrus-imapd-2.2) and cyrus sasl in Debian. I want to use cyrus murder. In /var/log/mail.log I have the following message: cyrus/master[4283]: ...
1
vote
1answer
482 views

Turn of amavisd notifications about UNCHECKED content to postmaster

How do I turn off "UNCHECKED contents in mail FROM" mails send by amavis to the postmaster of the domain every time a user sends an encrypted mail. The setup is a Debian 7 with postfix and amavisd.
0
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0answers
26 views

mupdatetest and lmtptest command not found.

I have installed cyrus imap (cyrus-imapd-2.2) and cyrus sasl in Debian. When I try to use the commands mupdatetest and lmtptest get: command not found. lsb_release -a: No LSB modules are ...
0
votes
2answers
38 views

Google Apps versus web hosting emails [closed]

Our organization is running on Google Apps with 180 users at 5USD/user/month. Only 30 are active users while the rest are teachers who don't use much email, hence it gets very expensive. We are ...
0
votes
0answers
256 views

Exim4 throws error: Unrouteable address

I have installed Exim4 on debian Release: 7.0 Codename: wheezy using steps in this manual: http://blog.edseek.com/~jasonb/articles/exim4_courier/exim4.html But during running of ...
0
votes
0answers
125 views

POSTFIX send Random Message?

I have problem When I am check my Mail.log , my postfix seem send random mail to random users, and I don't understand why like this, I assumsed this is spam. I am never create some script to send ...
-1
votes
2answers
45 views

Database based Mail Server [closed]

I have a single case problem, it relates to selecting the correct mail server. A group wants to create their own business PHP website, where the public can read articles, news etc. and the staff can ...
1
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0answers
161 views

Benefits of using a subdomain for sending email?

Assume I own the domain name, example.org. I am creating a setup where I receive email sent to me@example.org using Google Apps. The MX records for example.org already point to Google's servers and it ...
0
votes
1answer
46 views

SPF record configuration [duplicate]

I am a bit confused about the creation of SPF records. I have my hosting domain: hosting.mydomain.com, this is the hostname of the actual server running postfix etc. I have configured my DNS like ...
0
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0answers
111 views

Procmail (permission related) - delivery fails: “process exited returning 77”

Procmail fails to deliver any mail to local users. Bounce message I receive is following: Diagnostic-Code: x-pmta;Error running "/usr/bin/procmail -t -Y -d james": process exited returning 77 ...
0
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0answers
61 views

config postfix and dovecot cent os 6

I am trying to configure my virtual server for Postfix and Dovecot on CentOS 6. Here is some of my work: For Postfix myhostname = mail.rivasystems.net mydomain = rivasystems.net myorigin = ...
0
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0answers
77 views

automatically send mail after restart postfix

HI I have problem when I want to restart Postfix, my postfix server has send email to another mail address without permission, actually I give permission for postfix send mail using virtual Mailbox. ...
0
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0answers
139 views

Sending on behalf of with authorized email as envelope but from email to be client email

We would like to use configuration as mailchimp and constant contact use. We would like all the envelopes to be signed with our DKIM but to show that from email is from our clients email address. How ...
0
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0answers
292 views

The mail server for account responded mailbox does not exist

When I try to access the inbox with Thunderbird (17.0.8) displays the following error: The current operation on 'inbox' did not succeed. The mail server for account responded mailbox does not exist. ...
0
votes
1answer
1k views

Can message go to spam because of X-AUTH and X-SID fail on hotmail [duplicate]

When email with header as below comes to hotmail, it is put into spam folder. May be this is because of X-AUTH-Result: FAIL or X-SID-Result: FAIL? Or maybe the reason is different?How can I fix this? ...