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.

learn more… | top users | synonyms (2)

2
votes
1answer
231 views

How to prevent your mail gateways from being blocked due to spam being sent via mail forwarding

We allow users to forward their e-mail to external addresses. From time to time, our mail gateway appliances' anti-spam engine computes a large spam campaign targeted to our users as a ...
1
vote
1answer
714 views

postfix logs missing (freebsd)

I'm trying to debug an unfamiliar mail server and I can't find any logs for postfix. In the documentation it says: Postfix logs all failed and successful deliveries to a logfile. The file is usually ...
3
votes
2answers
206 views

How common are encrypted connections between email servers?

alice@a.com --> smtp.a.com --?--> Internet --?--> pop.b.com --> bob@b.com On the route from sender to server, and server to receiver, encrypted connections (STARTTLS, etc) seem to get ...
1
vote
1answer
110 views

postfix not transporting mail

I am setting up a mail server using postfix and dovecot. I am using virtual users that are stored in a sql database. I've checked the mail queue is empty and the logs show that the mail is received ...
0
votes
1answer
926 views

Dovecot not respecting log file?

I'm installing Dovecot 2.0 and I am running into problems with it checking for new messages. Postfix is getting the messages but dovecot is not finding them. In my dovecot.conf I am using a static ...
2
votes
1answer
87 views

ClamAV or commerical product for mail server on CentOS 5

I have a centos5 mail server with over 500 email accounts on it currently running ClamAV for antivirus. It works well but I was wondering if there is anything that would work better?
2
votes
1answer
45 views

Select emails being sent

I have recently been approached by an employee who claimed he was not getting all of his email sent from our server. Therefore I opened up exchange system manager and navigated through message ...
0
votes
1answer
1k views

Exchange 2007: E-Mails not showing up, but have been delivered by E-Mail Security (SonicWall)

I've a very strange problem: SOME mails (I can't see a pattern) are not shown in our Outlook Exchange Accounts, but when I check the E-Mail Security Logs (we use a SonicWall), they seem to be ...
3
votes
2answers
2k views

Can't get SmarterMail to work on fresh Windows 2008 server

Really having trouble with this, I've been through all the guides I can find and get stuck, using latest version of Smartermail 8 on Windows 2008 with IIS7.5. I have it setup so I can SEND emails ...
1
vote
1answer
2k views

Mailserver Recommendation [closed]

I've been running Postfix / Dovecot for about 9 months on a CentOS system I maintain and use for shared hosting, and have been happy with it. However, there are two "features" that I'd really like to ...
0
votes
2answers
2k views

Mailenable - Outbound Queues - 451ESMTP

Mailenable Version: 3.x Problem: Outbound SMTP emails Queued Occurrence: Random We are using Mailenable version 3.x on a Windows 2003 Server with 4GB RAM. The server is good on resources and we have ...
2
votes
2answers
4k views

CBL This IP address is HELO'ing as “localhost.localdomain”

I am pretty lost here, my server somehow got into a blacklist. And I don't know why and how to solve it. Please take a look at the link below. CBL List - click here Anyone knows what is going on ...
2
votes
2answers
7k views

How to setup a email address for a domain on Amazon EC2?

I am not used to cloud hosting. Previously I would just setup an email account through cPanel, but since this is not available how would I go about doing this on a Amazon EC2 account? I am assuming I ...
0
votes
2answers
438 views

Migrating from one mail server software to hMailServer

I have one 'old' server which uses Kerio MailServer 6 and I am planning on migrating the mail accounts( around 50-60 accounts ) to my new one which is using hMailServer. I have not as of yet found a ...
0
votes
1answer
185 views

My email server is classed as a spammer by hotmail

I created an email server hosted at IP 65.75.241.26 with domain www.softmail.me using which I can send and receive emails from all users and I don't have problem with any other except hotmail. That my ...
0
votes
1answer
159 views

Xmail shows error at Gmail

Hello I am using Xmail server at IP 65.75.241.26 hosted at www.softmail.me using which I can send and receive email to/from all email service providers but unable to receive back from Gmail. This ...
1
vote
1answer
73 views

email service on websites

I tried sending an email with my gmail account and it worked: $config = Array( 'protocol' => 'smtp', 'smtp_host' => 'ssl://smtp.googlemail.com', ...
1
vote
1answer
50 views

Email server - Sending problem

Recently i set up a M Daemon email server on a windows 2003 standard server. everything seems right. But when i configure the email client with the email server host name to send out emails, the email ...
0
votes
1answer
156 views

RHEL (CentOS, SL) process performance statistics

Is there any way to find out sometimes when the server load is high, what process and what activity cause that ? I have a shared webserver and mailserver (HTTP, DNS, SMTP, IMAP, POP, FTP,...) and ...
1
vote
1answer
208 views

Postfix not accepting mail to virtual users

I've setup some virtual users for certain domains. I've got a local domain (and plan to add some virtual mailboxes but I'll save that for later). localhost postfix/smtpd[23466]: NOQUEUE: reject: RCPT ...
3
votes
2answers
2k views

Delete from mailq where subject matches

I have a mailq which is getting backed up with multiple emails with the same subject line. I would like to delete all emails in the mailq that match a particular subject line so they don't get sent. ...
2
votes
1answer
659 views

Mail classified as spam, but passes SPF and DKIM

I have configured Postfix to be responsible for subdomain.example.com (google apps is responsible for example.com so I didn't want to mix the two). As I mentioned in question title, SPF and DKIM ...
3
votes
2answers
312 views

Has anyone setup a temporary webmail server to catch emails during an outage?

I've recently been in a situation where an Exchange email server went down and we weren't able to bring it back online after 48hrs, so some incoming emails bounced. Also, users weren't able to send or ...
2
votes
1answer
76 views

exchange 2010 - all employees group

Since the beginning of our exchange - we have a group called all employees. everyone is included in it and it sends email to everyone. I can't edited the settings of it using the management console ...
1
vote
1answer
351 views

PGP Encryption Proxy for Mail Server [closed]

I have a friend who is located in a part of the world that makes email encryption prudent for them. While I recommended OpenPGP, my friend thinks that it would have too high of a setup requirement for ...
1
vote
1answer
342 views

Exchange 2010 - How could a mailbox be forwarding to users despite in mail-flow settings, delivery options, mail forwarding is not set?

The mailbox that is forwarding and the mailboxes it's forwarding to were migrated from Exchange 2003 to 2010. Maybe the attributes are actually set but are not showing correctly in EMC for some ...
0
votes
1answer
239 views

Best way to test a postfix mail server for a production domain?

I have one postfix+cyrusIMAP mail server in the production environment, now I need to migrate it to a new hardware platform. I've got the new server set up (ubuntu 10.04.2 LTS, postfix+cyrusIMAP), but ...
0
votes
2answers
547 views

Any dovecot gotchas I should be aware of? Any alternatives to dovecot mailserver apart from qmail?

we are currently thinking about running a medium size mail service. Currently, dovecot seems to be the a good fit and we are about to setup a small test environment to check out some integration ...
1
vote
3answers
78 views

add email account to postfix for user not existent on machine

Postfix seems that uses the system users to define email accounts, i'm wondering if there is an alternate method to create accounts? i want to add email users that do not belong to the system and ...
1
vote
1answer
3k views

How do I setup a SENT and TRASH folder with Dovecot?

The IMAP mailbox that Dovecot sets up has no SENT folder or TRASH folder. How do I set those up? Is there a way to place them outside of the INBOX hiearchy? I want to make sure that these folders work ...
1
vote
2answers
136 views

SBS Email Outbreak

I have a client that is running SBS 2003 Std. and they have some sort of mass mailer that is spamming mail. We are running the most current defs. of Vipre anti-virus, we are not a setup as a relay, ...
3
votes
2answers
999 views

Reinitialize a single Exchange 2010 mailbox?

I'm running PST import tests on a new Exchange 2010 SP1 server. I'm interested in seeing if there's a quick way to restore the account to default and clear its contents. Kind of a reset or ...
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 ...
-2
votes
1answer
136 views

Need a good guide for setting up postfix

I will be sending mail from my machine (just sending, not receiving any) I'm looking for a good guide that will help me configure it with all the things that are required so that receiveing servers ...
1
vote
2answers
128 views

How can I receive mails from otherwise blacklisted servers?

On the mail servers I set up in our company, I use several blacklists in postfix. These really help take care of the spam we get send our way. But every once in a while one of our (potential) ...
1
vote
1answer
294 views

Linux-based mailing list manager that uses POP3/IMAP/SMTP for incoming messages

Okay, the CEO of the company had just asked me to set up a 'proper mailing' list. For reasons too long to describe here, we've been running with hMailServer on Windows Server 2003. Unfortunately the ...
1
vote
1answer
819 views

Mail Queue Fatal Error

I cannot send or receive any emails from my server. I have checked the mailq and it has over 1100 emails. I have tried to run the following to flush the queue: /usr/sbin/sendmail -q But I get this ...
2
votes
4answers
1k views

Efficient Send Only Newsletter Mail Server

I'm working on setting up a mail server to send the company I work for's newsletter. The idea is to give us more options and not have to pay another company hundreds of dollars a month to send all our ...
0
votes
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
3answers
496 views

Kerio Connect: Backup in progress in queue for a long time

In the web interface I have messages queuing up, and it tells me that Backup is in progress. This is not my main server, but I am attempting to help with this queue issue. Apparently this is a long ...
2
votes
2answers
818 views

What is the best method for mirroring two email accounts on disparate platforms?

We have enterprise users that want to try out an online mail provider (such as GMail or MS Exchange Online) for a trial period, but would also like their local mail (Lotus Notes) to remain synched ...
3
votes
1answer
427 views

Ideal server specs/software for mail, file, and database storage

I'm trying to figure out what the ideal set up would for a few servers. 1) Website 1) Mail server 1) Database server 1) file server In this given scenario, say there is a site that will offer each ...
0
votes
1answer
237 views

POSTFIX and DOVECOT, receving OK sending KO

I have installed postfix and dovecot(1.2.12) with ubuntu. This is my main.cf alias_maps = append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix ...
1
vote
1answer
743 views

DOVECOT not allowed to log in using too low UNIX UID

I found this error on mail.log May 13 22:11:37 vmi2115 dovecot: dovecot: User admin@example.net not allowed to log in using too low UNIX UID 103(postfix) (see first_valid_uid in config file) How ...
0
votes
1answer
428 views

slapcat doesn't dump the full iredmail database

i installed iredmail http://www.iredmail.org/ with the ldap backend and entered some userdata afterwards i tried to add some data via phpldapadmin, which does not worked (tired to export a user, add ...
0
votes
2answers
140 views

Sending eMails in a external subnet in vmware ESXi

This might be a bit hard for me to explain - and it is a pretty individual situation. I got a native server at Hetzner (www.hetzner.de). The public IP is 88.[...].12. I got ESXi running on this ...
1
vote
1answer
1k views

Messages stuck in qmail queue forever

I have this problem with outgoing emails on one server. When the queue is clean, it sends emails pretty good, but in a few days, it happens that queue gets filled up with a few MAILER-DAEMON messages ...
2
votes
2answers
144 views

How to migrate DNS correctly

Client has DNS at a telephone company which provide emails for his domain (sudamerica.cl). I need to switch DNS in order to get control over them so I can properly set the A records for the new ...
3
votes
5answers
834 views

DNS, PTR, Mail Server HELP!

I am not really sure which route to take. Here is my current setup. We host our web server on RackSpace Cloud (moved from EC2) Previously we hosted our own name servers, now we use RS (RackSpace) ...
0
votes
1answer
1k views

Problem setting up SPF

So SPF seems to be the backscatter-saviour, the only problem is setting it up is a real pain. I've got a VPS and use GoDaddy as my domain manager. I set up this SPF record: v=spf1 mx ...