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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1answer
13 views

Postfix conditionally forward email

How do you set up automatic email forwarding based on conditions like: forward if from emailaccount@domain.tld forward if from domain is domain.tld forward if subject contains word 'Urgent' and ...
0
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0answers
11 views

Postfix+dovecot+pgsql: Relay access denied [duplicate]

I just set up my first mail server and have one problem with sending email through it. I created an account in thunderbird and I'm able to receive mails sent to my mail-server but I cant send any ...
1
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1answer
19 views

How to get exim4's smtp and pop3/imap server name and settings?

I'm missing exim4 configuration file in /etc/exim/exim4.conf. dpkg-reconfigure exim4-config runs OK and sending/receiving emails is also OK. I just don't know where is the configuration saved. The ...
-1
votes
0answers
14 views

dedicated SMTP server for multiple web apps [closed]

I'm a web developer/designer and I'm familiar with basic server setup (centOS LAMP of which i have two machines with 4 apps). The issue that I'm facing is sending mail from my apps. It seems extremely ...
0
votes
0answers
16 views

Mail to localhost user doesn't work after installing sendmail

I want to send emails to other domains from my virtual Debian server, so I've installed sendmail-bin and sendmail. Since then mailing to gmail adresses works, but mailing to users in localhost mail -s ...
0
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1answer
31 views

E-mail always send to spam folder [duplicate]

I have an VPS that has a pre-installed DirectAdmin and exim mailservice. But i've got a complainment from my client. When he tries and send an e-mail from his account to someone it gets flagged as ...
0
votes
0answers
18 views

Mac OS X mail server - automatically routing spam to junk folder

I am running Mac OS X Server (10.9) with the built-in Mail Server. We have SpamAssassin configured to identify junk mail. I've been asked to configure Mail to route mail which SpamAssassin identifies ...
0
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1answer
18 views

PostFix Config and PHP

I'm trying use the PHP mail function to send email on a server (the server is only suppose to send emails and not receive any emails) The PHP mail function returns that email has been sent, however ...
-1
votes
1answer
56 views

Solution for a Mail Server (Quality / Price) for 5000 accounts [closed]

I'm looking for a new solution for 5000 accounts. Right now, I'm with atmail, but it is failing a lot, and it is very expensive. I was seeing that with InmotionHosting, I could rent a dedicated server ...
0
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0answers
18 views

one email server per domain in a shared hosting environment or one global server?

I'm about to setup a shared hosting server for a few projects and domains. I will separate each project from each other with openvz. However I don't know yet,how to handle emails. Is it better to ...
1
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2answers
18 views

Will a mail relay be blacklisted if it accepts a mail relay request then later sends NDR?

Got a question about blacklisting behaviour. Internet MX records for "mydomain.com" point to my anti-spam gateways. The anti-spam gateways then relay the email to my mail server. If someone sends an ...
0
votes
0answers
19 views

Connection refused while sending or receiving email

04 TLS server with iRedMail installed. When just installed it worked okay but after 4 emails I get a error message Sep 9 12:24:18 hostname postfix/smtp[9907]: connect to ...
1
vote
2answers
65 views

Two mx records for two different mail servers in the same domain?

I have a domain named example.com. I want to set two mail servers on this domain. The main purpose to set these mail servers is to have two different mail server, as if we have two different domains ...
0
votes
1answer
24 views

Windows 2012 Essentials DNS problems querying certain RBLs

I'm running a mail server, Smartermail (SM) on Windows 2012 Essentials. The server is also doing DNS, but has no other roles. The DNS server is using the root hints and has no forwarders configured. ...
3
votes
4answers
123 views

Microsoft Exchange 2013 is not receiving internet email

We are having issues with our exchange 2013 server. The server is running Windows Server 2008 R2 Standard. The issue we're having is that our Exchange server isn't receiving internet emails. It can ...
0
votes
1answer
46 views

Mail is not sent to specific domain

We are using php mail function to send emails to our customers. Few days ago, we've found that email are not delivered to only hotmail.com domain. I've checked email log to see if there are any error ...
0
votes
3answers
50 views

Dovecot: deliver reply into same folder as replied-to message

UPDATE (2 sept 2014 13:01): Just to clarify, I'm interested in handling an incoming reply from someone else, so coming in via SMTP. If it is a reply to an email that is already in some mail folder, it ...
1
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0answers
26 views

Connecting Dovecot2 to ldap

I'm currently trying to connect dovecot 2 with postfix to an ldap directory. Currently I'm having an issue in the communication itself. Dovecot starts, but does not authorize the users. I'm using the ...
0
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0answers
10 views

Cyrus Deleting mailbox with @ Mailbox does not exist

After finally being able to log on with cyradm I noticed a mailbox was created: localhost> lm info*miniheli*org info@miniheli/org (\HasNoChildren) When trying to remove the mailbox I get an ...
0
votes
1answer
23 views

Why does m4 error “linux-gnu.m4 - No such file or directory” appear the first time after updating sendmail.mc?

SendMail 8.14.x | CentOS 5.x I've noticed that if I manually update /etc/mail/sendmail.mc (for example, enable TLS support), and then bounce sendmail, I get the following error: Shutting down ...
0
votes
1answer
47 views

How to get reverse DNS to work for multiple IPs and domains on Windows Server EC2 instance?

I have a EC2 instance setup running hMailServer. I have a primary IP on the system that I am using for example1.com email. I would like to also add a second domain example2.com using a different IP ...
1
vote
1answer
53 views

The correct PTR record in DNS

I'm confused with my DNS records. I own a domain (e.g. example.com).I've set A record for my SMTP server (e.g. smtp.example.com) for outgoing emails. The email address is (e.g. ...
1
vote
1answer
66 views

What happens inbetween SMTP and POP3?

I understand SMTP, and to a lesser degree POP3, but I feel like I'm missing a large chunk inbetween. I see this image on a Microsoft page: and I feel like what I'm missing is the "Internet" part. ...
1
vote
1answer
27 views

Using Google Business Email simultaneously with other mail server for one domain

My partner is having some problems with delivering and receiving emails. They asked me to check Google Business Email, if it can provide a solution. My question is: Is it possible to split users into ...
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votes
1answer
53 views

Rainloop: arbitrary sender address? [closed]

I just set up my mailserver (Postfix as SMTP and Dovecot for IMAP) and as web frontend I use Rainloop - which also works very well! My setup is that I have only very few real users (actualy at the ...
0
votes
1answer
21 views

Using virtualmin to manage account address books

I have configured several email accounts with Virtualmin and they're all working really well via IMAP and the web interface. In case it matters, they are configured using dovecot and postfix. ...
0
votes
1answer
71 views

On debian, how to set up a MTA like exim that allows per user smarthost configuration?

I have a problem setting up something that I think would be cool. I have a server (Debian Wheezy) and I would like to let my users send email from their smarthosts. From what I have read, exim allow ...
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votes
1answer
44 views

How do I recieve incoming mail on an email address in Linux [closed]

Background: My department does a lot of communication using email to ask and answer questions. We have an internal StackOverflow type board set up but it's a headache for them to log in to the VPN and ...
0
votes
1answer
56 views

Hotmail not accepting my emails from my email server. [dyn dns] [duplicate]

I am using DynDNS to do name resolution and would like to send emails to Hotmail and Gmail. Gmail marks them as spam, while Hotmail just blocks everything. How do I make Gmail and Hotmail know that ...
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votes
2answers
98 views

Replying to an email from a domain email alias

We have a multi-store set up in nopCommerce 3.20 with SSL enabled. Our environment info as follows, Windows 2012 R2 VPS Server. .Net 4.5, SQL Server 2012 Express Multi SSL in Same IP using ...
0
votes
1answer
70 views

Ubuntu 14.04 Postfix Access denied

Sorry to write here I'm really using it as a last resort. I have recently got my hands on a dedicated server. I'm not good with linux (not at all), but I wanted to set up a full server (Web, mail, ...
0
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1answer
38 views

Can A Single Shared Mailbox Have Multiple ProxyAddress Entries/Aliases?

Exchange 2010 We have a shared mailbox in our environment (foo@subdomain.example.com) that was renamed to foo2@example.com. This ended up causing issues for applications that relied on the old SMTP ...
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votes
1answer
139 views

How to setup SMTP server to allow mailing to any recipient? [closed]

I have a windows server, acting as a web server and mail server. For the mailserver I use hmailserver and works fine recieving emails but not so good sending emails because I cannot setup reverse DNS ...
0
votes
1answer
70 views

Postfix virtual mailbox base, uid, gid — good user and group choice?

I often see tutorials for setting up Postfix with the virtual mailbox delivery agent on Linux that instruct to create a new disabled-login user and group to own virtual mailboxes in ...
0
votes
1answer
55 views

what're the proper DNS record settings for google apps so that my site hosted on another company can send email that won't consider spam [closed]

I'm using Google apps email and I have a website that's hosted on shared hosting company. How should I configure the DNS records so that incoming mail will get to Google but at the same time email ...
0
votes
1answer
70 views

How to setup Postfix with Opendkim to automatically sign PHP emails?

I've found that: submitted emails are signed properly (ie those sent with MUA's like Outlook and Thunderbird) command-line sent emails are signed properly emails sent with PHP, in particular case ...
1
vote
1answer
56 views

Does sendmail send everything to downstream smarthost in “single file”?

CentOS 5.x / SendMail 8.14.x I have a SendMail server that delivers all outbound mail to a downstream smarthost in the cloud: define(`SMART_HOST',`relay:[example.blah.com]')dnl example.blah.com ...
0
votes
1answer
49 views

Remove X-SA-Exim Headers from out going emails

I am using EXIM4 on Ubuntu 12.04 with Spamassassin for sending emails. Any emails will be relayed through Amazon SES service. But I want to hide the bellow headers in outgoing emails. ...
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votes
1answer
64 views

Unexpected failure, please try later (in reply to end of DATA command)

while trying to send emails to the following address some_user@f-gs.jazztel.es i always get the following error message. Could any one tell where can i look in order to find what's going wrong? This ...
2
votes
2answers
240 views

(Postfix + Dovecot) All emails to @aol.com being deferred

I'm running a dovecot/postfix mail server on debian and am having some issues. Everything is working fine except all emails to @aol.com are being deferred. The error code gave me: "The Reverse DNS ...
1
vote
1answer
153 views

Postfix 5.7.1 Unable to relay [deliver internal mail directly]

I have the following scenario: serverA = RHEL5 using Sendmail serverB = RHEL6 using Postfix serverC = RHEL6 using Postfix gwsmtp = relayhost example.com = domain name As we are migrating from ...
0
votes
0answers
74 views

Server sometimes doesn't receives e-mail, with error 451

One of my customers tried to send me an e-mail with his e-mail address that I didn't received. He received a Delivery Status Notification (Delay). I only received the message 2 days later In the ...
1
vote
2answers
407 views

How to rate limit outgoing SMTP connections for Postfix

I have a postfix instance running on a VM. The VM provider shuts us down if we exceed a threshold of SMTP connections per minute - something like 10. In a typical day we might send 1000 messages, so ...
1
vote
2answers
144 views

Spammer spoofed localhost? Or server fail? How do I secure against this?

I noticed a spammer got through postgrey AND SpamAssassin, which was very strange. I examined /var/log/mail.log and saw some suspect lines: Log below, or on Pastebin: http://pastebin.com/k7sKnvGE ...
0
votes
1answer
32 views

Dovecot login with username and no @domain.com extension

I have dovecot setup and working, but i can only login as a linux user without the @domain.com extension. e.g joe.bloggs is a user on the linux system. i can login using this as the imap username and ...
1
vote
0answers
86 views

Nagios 3.5 can't send notification email despite nagios logs ok / centos6

I spent hours trying to make nagios send email notification. my contact configuration is quite simple : I juste have one : nagiosadmin, and he is the default contact. In /var/log/nagios.log, nagios ...
1
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0answers
236 views

send email from ubuntu: msmtp VS esmtp VS ssmtp (and nullmailer)

What are the main differences between these 3 packages that have a very similar name? msmtp VS esmtp VS ssmtp (and eventually nullmailer) Thanks
0
votes
1answer
38 views

DNS and mail server actions for restoring web access to mails

A domain name, say example.com, is registered to company ONE. The Address record of the DNS for that domain has been changed, to map example.com with an IP of a server of company TWO. Consequently, ...
1
vote
2answers
146 views

exim4 reveals a mail alias when remote server rejects spam

I'm running exim4 (4.76) on Ubuntu 12.0.4.4. exim4 is set up to handle mail for mydomain.com. I have aliases set up that forward a@mydomain.com to b@gmail.com. I have SpamAssassin set up to work in ...
0
votes
1answer
55 views

Daily block report from assp for each mail user

I want to automatically send daily block report from assp to each mail user. I've set the BlockReportFile parameter as: file:files/blockreportlist.txt My blockreportlist.txt has the following ...