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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1
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0answers
8 views

Mailserver stop receiving email dovecot log is missing suddenly

i have problem with my mailserver. in some randomly time my email in roundcube cannot receive email and i check in the log file /var/log/maillog Feb 1 10:00:51 ns1 postfix/pipe[20605]: 37CA81848A7: ...
3
votes
0answers
29 views

How to synchronize downloaded emails from clients back to the IMAP server [duplicate]

I have an iRedMail server running (postfix + dovecot as an IMAP server) on a Debian Xen guest machine. By a mistake the iscsi disk, where users emails are stored, was deleted. There is another copy of ...
-5
votes
0answers
22 views

which email software do I need to install [on hold]

I am in the process of building an event management system. Part of the system is going to be sending emails. What should I use to send emails and would give me proper control and monitoring ...
0
votes
1answer
35 views

Can't receive emails to my mail server

I created a mail server, following this tutorial: https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql , I configured the email on my email client, SMTP and IMAP and both ...
0
votes
1answer
26 views

Incorrect FQDN on Exim4 send-only SMTP mail server

I am pretty new to Linux systems and I am trying to send e-mail to my gmail ID using exim4. I found many tutorials for exim4 online and I am doing exactly that, however I never receive any email. The ...
48
votes
6answers
3k views

Why can't MX records point to an IP address?

I understand you should not point a MX record at an IP address directly, but should instead point it to an A record, which, in turns, points to the IP address of your mail server. But, in principle, ...
2
votes
2answers
56 views

invoke filtering manually in dovecot+sieve

I've configured dovecot with a sieve filtering (also I've configured roundcube, but this does not matter I think). It's working fine, I've set up some filters. But now I've got a huge unfiltered ...
-1
votes
0answers
29 views

Postfix + Dovecot I can't receive e-mail from other domains

I have a setup with Postfix and Dovecot on Ubuntu VPS. Lets say I have an user called "me". From command line I can send mails via "mail me" and it works. I can connect with Thunderbird to ...
-2
votes
0answers
43 views

Can't connect to my email server [migrated]

Recently I transferred my domain to NoIP, and I had to create a mail server. (I had to transfer to noip because I can't setup a static/fixed ip as I am particular not a business, and I don't have a ...
0
votes
1answer
25 views

SPF Softfail when Txt Record Exists

I am getting softfail for SPF and Sender-ID and I tested it by sending an email to check-auth@verifier.port25.com. My Set-up: 1 VPS hosting 1 website Postfix for Send only emails No incoming ...
-3
votes
2answers
29 views

Exchange server accepts email without authentication. Is this a misconfiguration?

I am a user on a network with an exchange server and there is an HP scanner/email machine that can send emails with scanned docs as an attachment from any email address without authentication so I ...
0
votes
1answer
39 views

Emails sent from my server to Hotmail never arrive

I have the following problem. Some Hotmail/Live.com users who register @ my website don't get verification emails. Exim logfile shows the following: 2015-01-22 19:45:04 1YELoT-0006U2-Su => ...
1
vote
2answers
37 views

How to enable RBL checking in postfix?

How to enable RBL filters in postfix? My current configuration: submission inet n - n - - smtpd -o syslog_name=postfix/submission -o ...
0
votes
1answer
37 views

Email Sending over Distributed System?

Guys I am wondering if it is possible to setup "Mail Server" (like MailEnable) over different servers so that the load is distributed equally on all servers ? For example : I am sending 100 emails ...
-2
votes
1answer
32 views

The mail server logs will indicate time out when some customer sent the email to us

We are using the Icewarp mail server with version: 11.1.2 Recently the mail server will indicate time out in the logs when some customers sent the email to us. It is the same even thought I added the ...
0
votes
2answers
55 views

Amavis to Postfix forwarding

I have a postfix mail-server and want to use amavis for spam and virus detection. I followed this tutorial to add amavis to my running mail-server. I added to /etc/postfix/main.cf: content_filter = ...
-1
votes
0answers
65 views

can't login to roundcube

I installed dovecot, postfix, vimbadmin and roundcube every thing was fine but suddenly roundcube login don't work! checked log error for email and show me : server dovecot: imap-login: ...
1
vote
1answer
75 views

Postfix TLS Error

I'm working with a Postfix/Dovecot/Roundcube setup, aiming for a virtual user mail system that can send mail through the internet, as documented here. Everything seems to work well; Dovecote shows no ...
-1
votes
0answers
27 views

Prevent some users from sending and receiving internet mail on Zimbra

Have anyone try and succeed on this task, I have tried and didn't get any result. I cant do much tests since is a production environment. I have seen some method making changes on POSTFIX and conf ...
0
votes
1answer
23 views

amavis log email hash

I want to log a hash value of all emails handled by my mail-server. I found in amavis README.customize.gz the following line: The substitution text for the following simple macros is built-in: [...] ...
-5
votes
2answers
38 views

Is it possible to use Gmail for transaction email?

We currently use Gmail for our support email. For transactional email (reset password, etc) we just use default Linux Postfix server on our Amazon Web Serivce EC2 instance. My question is would it ...
0
votes
1answer
27 views

Exim4 on DebianWheezy: Rejected by RCPT Unrouteable address

Recently I updated the MX records on a domain1.com to point to domain2.com. Domain two is currently running exim4 and I would like it to relay mail for domain1. The problem is every time I send an ...
-1
votes
0answers
27 views

postfix multi instance saslauthd error

I have CentOS6 and want to create postfix multi instance but getting SASL auth error: I am having same issue here, I have created /etc/sasl2-second/ directory and following are the options in ...
-1
votes
1answer
24 views

Outbound mail queue lifetime standard

Description: I am trying to setup an email server with qmail and postfix as a MTAs. I am using postfix to handle my outbound mail flow traffic. Problem: I have set postfix maximal_queue_lifetime ...
0
votes
0answers
36 views

`<domain> has no MX record` even though it's configured

I'm trying to set up a mailserver, but I'm stuck with configuring bind. I set the forwarders in /etc/bind/named.conf.options options { directory "/var/cache/bind"; forwarders { ...
0
votes
0answers
48 views

Zentyal :- Two different virtual domain email addresses for same user

I am trying to set up an email server using Zentyal 3.2. My aim is to create two virtual domains and create users that have separate email address for each virtual domain. for example:- The domain ...
0
votes
1answer
24 views

configuring .mailrc for multiple Maildir users

In a CentOS 7 server with postfix and mailx, my ~/.mailrc file contains: set MAIL=/root/Maildir set folder=mail This enables mail from the root user's Maildir to be reviewed when the root user ...
3
votes
3answers
112 views

Sendmail and nslookup resolution problems

On my Ubuntu server I've been trying to get the PHP mail() function to work by installing sendmail (I also have postfix installed but I gave up on it). However, when I try to send mail it gets queued ...
-3
votes
3answers
40 views

Ubuntu Mail Server: create default mail folders [closed]

Now I have the mail server working IMAP mode. I'm interested in configure the mail server in order to set default mail folders (like Inbox, Trash and Sent folders) per mail account. Is there a way or ...
1
vote
1answer
29 views

Set inet_interfaces for each postfix service

I have a complex postfix setup with dovecot authentication, amavis and spamassassin. The inet_interfaces are set to my IPv4 address, IPv6 address and IPv4 and IPv6 loopback. But I want that the ...
0
votes
0answers
27 views

Local Xeams standalone server not sending emails?

I want to setup a Ruby On Rails development environment where I can develop an application that can send emails. I can use the smtp.gmail.com free server but I do not want to use it, but rather I want ...
0
votes
1answer
51 views

Sending mail from AWS

I was hosting my domain on another server and also using the email of a 3rd party service. I just moved my domain to AWS and it works well now (DNS propogation etc.) I also changed the MX Records ...
1
vote
1answer
52 views

Maildir “new” has messages but Inbox is empty

I'm installing a new mail server (Postfix/Dovecot+Maildir) in a fresh OS. Using Thunderbird (or Squirrelmail) I can send mails but my inbox is empty even when I can see them in ...
1
vote
1answer
111 views

Installation of Postfix and Dovecot Mail Server on Ubuntu and Postfix will not start

Information on the Mail Server Installation Process Followed... Hello I have a server with DigitalOcean that I am trying to install an email server on so I can add and manage email accounts. This is ...
0
votes
0answers
40 views

Hosted exchange 2010 email in office 365

A few of our employees (Org A) work for Org B. Org A (we) have Office 365 and Org B has hosted MS Exchange 2010. Our employees would like to access and also SEND emails from OWA with alias of Org B. ...
2
votes
1answer
50 views

Expired SSL certificate on mailserver

As daft as it sounds, I've let an SSL certificate expire -- or it will within the next 12 hours. My only real concern with this is a mailserver, which is configured to listen for encrypted (port ...
-2
votes
1answer
43 views

Determining the old MX record [duplicate]

Our sysadmin created our mailserver years ago before he left. We recently decided to use gmail as our mail app and they required us to change the MX record to point to them on amazon route 53 app. I ...
5
votes
2answers
72 views

Perfect Forward Secrecy (PFS) for mail servers

Perfect Forward Secrecy is an important enhancement to SSL/TLS communications, helping prevent captured SSL traffic from being decrypted even if the attacker has the private key. It's easy enough to ...
0
votes
1answer
48 views

Postfix - Need to log email and then redirect to same user different domain

My goal is to add emails to a DB and then send them on to the user at a different domain. My mail server is hosted elsewhere using my domain, (me@example.com). TO get this working, I set up postfix ...
0
votes
1answer
84 views

Postfix forward incoming emails to mailin

I've setup the smtp server using postfix with dovecot on mail.example.com server running on port 25. And then I've also setup another smtp server using mailin (http://mailin.io) on mail.example.com ...
1
vote
1answer
27 views

How to scan mails with amavis from other mailserver

I have two postfix mail servers mailserver1 is running amavis to scan spam and virus mails mailserver2 is running without amavis. My question is how is the smartest way to use mailserver1 ...
12
votes
4answers
959 views

Is there any way to see if the mail sent by my server was received by the recipient server?

I've sent an important email that the recipient claims it wasn't received by them. They say that they asked their IT team to see if the email was received in their server. According to them the email ...
1
vote
1answer
45 views

Smarthost with two email server backend [closed]

I have a smarthost (sendmail on linux installation) which is serving my lan email server, and it is - obviously - in DMZ. I'm planning to change my lan server in order to migrate to exchange. I would ...
0
votes
0answers
36 views

Exim mail not signing DKIM. Don't find whats wrong. (detailed description of steps taken)

I'd like to setup my fresh server (ubuntu) for hosting my www.bolleboos.be website and enable sending of email from my php scripts. So... I installed apache, php, mysql, ... and for the mail exim4 ...
0
votes
0answers
22 views

POP and IMAP proxy merging multiple backends

Is there any IMAP+IMAPS + POP3+POP3S proxy available for Linux which can merge multiple backend servers for a single incoming request ? I'm wanting to set up a mail system distributed between 2 ...
0
votes
1answer
21 views

Sending bulk / single emails from a single domain [duplicate]

Let me explain our situation: We have a web application that uses subdomains for each customer instance: customer1.example.com customer2.example.com Every instance can have over 500 users, which ...
0
votes
1answer
72 views

Does PHP mail function need a mail server? [duplicate]

We recently moved our Drupal sites to a Linode server. One of those sites has a lot of users filling forms. The previous server sent, with no problem, all form registrations to an email address, this ...
1
vote
1answer
38 views

forward an exact copy of all mail to second archive mail server

I am setting up an mail server with postfix at the moment, and I am almost done with it. But I need to archive all incoming mails. My first setup was to set the sender_bcc_maps parameter and the ...
-3
votes
1answer
91 views

My server is no longer able to send emails after upgrade [closed]

I am no longer able to send emails since I updated my server from Ubuntu 13.04 to 14.04. I have several websites installed in my server, and none of them is able to send emails any more. Before the ...
1
vote
1answer
131 views

postfix multiple IP SMTP banner

I've installed postfix 2.11.3 and we have multiple IP addresses on our server which we want to host two domains, isolated and running on their own IPs. domain1 unix - - n - - ...