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

learn more… | top users | synonyms (2)

0
votes
0answers
13 views

“Reverse” traffic routing with Google Apps + web host?

I'm a very experienced web designer with only minimal experience with web traffic routing. I'm also a hosting reseller who got bitten by the Great HostGator Crash of 2014, and for one of my hosting ...
2
votes
1answer
90 views

cannot find postfix/mailx email in maildir, why not?

In a CentOS 7 development machine, I have configured postfix to allow emails to be traded between localhost addresses. Mailx is also installed. I am able to send email, and the log files indicate ...
0
votes
0answers
17 views

Exim4 using Gmail as SmartHost can't show own e-mail address

I'm using one gmail account as the Smart Host, and it is successful to send email from my own email address to another address. But when the email is received, the sender is the gmail account, not my ...
-1
votes
1answer
50 views

Secure cloud to internal Mail setup using UUCP or something more modern

Some of our Linux servers are going to be moved out into a cloud. But the servers need to be able to email our users internally and are required to use our domain name as sender. The server cannot ...
1
vote
1answer
44 views

Block sender after sending to n non-existent email addresses

I have a domain that I use for my email. There are a couple of actual email addresses there, and everything else goes to a catchall. I use the catchall so I can create email addresses on-the-fly, like ...
1
vote
2answers
86 views

Postfix - Dovecot - Can Send Emails But Wont Receive - NOQUEUE - Relay Access Denied

I have set up a mail server on ubuntu. Ive checked ports are open and I've double checked all config files, checking with every google search result I could find. Most of the similar posts have more ...
1
vote
1answer
14 views

Add an alias in postfixadmin with smtp access

I want to create a second identity support@mydomain which I want to send emails from. My mailbox is info@mydomain, so receiving emails should still go into this same info@mydomain mailbox. In my ...
0
votes
3answers
33 views

Exim usage getting higher and I have nothing that sends emails

This is my exim usage What makes it odd is that exim4 mail server service is STOPPED Also none of my sites is actually sending any emails. (This is on a VPS) How I can find what is sending emails ...
0
votes
1answer
52 views

Asterisk - Send voicemail to email as client SMTP address

I'm able to setup Elastix (Asterisk) to send email voicemail attachments without any issue. But I'm trying to email them to a particular external address and it seems to be rejecting the emails as ...
2
votes
2answers
49 views

Bizarre behavior of e-mailed reports (text files) via Task Scheduler

I’m still pretty new to powershell and practical implementations of it… but I created a script to monitor disk health and have some very bizarre results on 2012 R2. Wondering if anyone has seen the ...
4
votes
1answer
114 views

Load multiple email accounts to mobiles from IT desk

My organisation has many users (in the hundreds) with many email addresses that they can read (often as many as 10 per user) and can send from (for arguments sake, lets say half of those that they can ...
-2
votes
2answers
50 views

I can't recive emails and all outgoing emails go to spam folder

I recently bought a VPS server at OVH.com to host the web of one of our business and I'm having problems to correctly configure the DNS to be able to send and recive emails. Right now i can't send ...
7
votes
1answer
183 views

GMail bouncing mail sent over IPv6, IPv4 working

I have trouble sending email to GMail addresses using IPv6 from my domain camgirltools.net If IPv4 is used, everything works as intended, the mail is delivered. When using IPv6 to send mail to GMail ...
-1
votes
1answer
64 views

Server is trying to send out spam [duplicate]

My email server is attempting to send out a great deal of spam. I'm using Postfix & Dovecot. I'm trying to diagnose the problem and figure out how this is being sent. My guess right now is that ...
2
votes
1answer
29 views

Postfix with Dovecot: local and virtual users

I just finished setting up a Postfix SMTP and Dovecot IMAP/POP3 server. It works perfectly fine for virtual users both sending and receiving, but I need to do the following: Besides virtual users ...
1
vote
0answers
62 views

mail command no longer reads from /var/spool/mail/root [closed]

Until half an hour ago mail command worked as expected. Now it says no mail for root. But I can still see and read my mail in /var/spool/mail/root. I don't believe I've changed any settings. I'm ...
0
votes
2answers
56 views

Emails never arrive at recipient but spam tests show no problems

I am running a WHMCS hosting system for a small number of private clients. For a few of them they never seem to receive the invoice emails I send out. I have ran the emails through a number of tests ...
1
vote
1answer
182 views

450 4.7.1 Client host rejected: cannot find your hostname

I have a Postfix/Dovecot email server which fails to deliver emails to some addresses. Here's an example of what is says: <xxxxx@board.com.ua>: host mail.da.net.ua[91.213.154.4] said: 450 4.7.1 ...
1
vote
1answer
44 views

Postfix DSN code explanation

Since few days ago I was unable to receive automatic emals sent from my PHP application. When I use Terminal to send an email to my @gmail address, everything works. When I try to send it to my ...
2
votes
2answers
54 views

Order emails from online shop not delivered due to SPF errors

I have my domain served by two servers with different IP addresses: one for main website and another for online shop. When a customer places an order, among other things, an email is being sent to an ...
3
votes
1answer
104 views

Postfix SMTP relay server

I use gmail to receive e-mails both from my gmail address and my own domain, but gmail no longer allows you to send e-mails from your own domain name unless you provide your own SMTP server to send ...
2
votes
1answer
43 views

Multiple MX records pointing to multiple servers for a single domain

Is it possible to have multiple MX records pointing to multiple mail servers for a single domain? Must all mail accounts be identical on each of those servers, or is it possible to have ...
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 ...
9
votes
2answers
106 views

How widely supported is forced TLS on inbound SMTP connections?

I run an MTA consisting of the standard Postfix, SpamAssassin, ClamAV, SPF/DKIM checks etc. This MTA is used for inbound email only, doesn't host any accounts and forwards any mail that passes said ...
0
votes
0answers
40 views

GNU-Mailman, MS Exchange, and SPF

We are currently in the process of setting up GNU-Mailman to handle our customer mailing list. We have remote hosting (Hostgator Business Plan) for our website and for the GNU-Mailman install and we ...
1
vote
0answers
48 views

PHP mail() function - “from” name overwritten by Exchange Server

I originally posted this on stack overflow but was told it might be better placed here on Serverfault. I am trying to send a very simple email from a php script ...
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 ...
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 ...
2
votes
1answer
64 views

SPF issue with SpamAssassin

I have an internal management app for a small company, written in Python and running on a Linode VPS, with which users can send occasional emails to their customers. The emails are quite ...
-1
votes
1answer
60 views

Can't login to dovecot using gmail as an email client

I've used this installation configure-email-server-using-postfix-dovecot When I try to use gmail as the email client (connecting to my server through port 993) I get this error Unable to establish ...
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
52 views

Postfix 'Too many hops' bounce back

When trying to send test mail my server gives me a 'too many hops' bounce back Error 554 5.4.0 Error: too many hops (in reply to end of DATA command) main.cf # See ...
-3
votes
1answer
45 views

Postfix Refused on 587

Postfix is refusing connection on port 587 when delivering mail. Here are my config files: main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: ...
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 ...
1
vote
1answer
48 views

Incoming Mail MS Exchange On Dynamic DNS

I have managed to setup exchange server in my office. I am going to use sample.com as the domain here. I am using dynamic dns wich works fine for the web server. But i am getting no emails. Lets say ...
1
vote
1answer
37 views

Dont allow to override php.ini values for certain headers as a root

We are having this issues in shared hosting environment. FYI: Under shared hosting environment each user can have a php.ini in their folder to override the global settings. There will be many users ...
3
votes
1answer
80 views

SMTP errors with iOS devices

I'm trying to diagnose why when an iOS device like an iPhone or iPad is set up to use email with our server for the first time, these errors occur. We choose "Other" from the initial set of choices ...
1
vote
1answer
53 views

Exchange 2013 server not receiving mail from the internet [duplicate]

My organization is having trouble with our Server 2008 R2 server running Exchange 2013. Our email client we are using is Outlook 2007. The issue is that Exchange isn't receiving external email. Our ...
0
votes
1answer
67 views

Postfix: sendmail (php-cgi) with different IP as authenticated SMTP Users

my Postfix-Mail Server is delivering two main types of mails Mail recieved from php-cgi (sendmail), localhost relay Mail recieved from authenticated SASL SMTP Users Is it possible to define a ...
2
votes
2answers
47 views

RHEL sends mail as myhost.localdomain but I don't want the localdomain suffix/FQDN

I have several machines that used to run Ubuntu 10.04. The OS were changed to RHEL7. After the change, programs like cron and mail send mail as myuser@myhost.localdomain whereas on Ubuntu it was ...
0
votes
1answer
31 views

Use Powershell to add items to Access Protection in McAfee Enterprise

I'm guessing this won't work for security reasons, but I thought I'd ask anyway. I'm trying to use powershell to send email notifications for maintenance. I've got the actual notifications and ...
0
votes
0answers
23 views

IPv6 upgrade broke my SPF? [duplicate]

I run a small custom ecommerce website for a client. I've recently migrated from Ubuntu 12.x to Ubuntu 14.x at a major cloud provider. This came with the benefit of a free/mandatory upgrade to IPv6. ...
1
vote
2answers
81 views

How do I configure Postfix to accept SMTP for local users with “@” (at sign) in logins?

I have an Ubuntu 14.04 server at mydomain.com with a bunch of users with @domain in login, like us.er@mydomain.com. Each of them has an "pseudo" account us.er-mydomain.com with the same uid, passwd ...
-1
votes
2answers
59 views

HowTo Track an E-Mail on it's voyage [closed]

Is there any way to track an E-Mail during it's "journey"? A friend of mine believes, that People the sports club he is involved with and where he has an E-Mail adress, is reading the E-Mails of all ...
0
votes
1answer
35 views

Check how much time has elapsed for Cron job and send email

There is a cron job that is set which runs throughout most of the day, sometimes the job gets stuck and I would like to set a time or check on it which let's me know if it has been stuck for more than ...
2
votes
2answers
28 views

Setting up wildcard mail accounts for forwarding on Debian 7

Using Debian 7 I need to setup a mail server configuration for testing purposes. This setup is not intended to "go into production" mode but we need something like this during our development process ...
16
votes
3answers
1k views

Is my new gTLD causing it to get filtered as spam?

I have a domain called "*******.international". I decided to go with the new gTLD because it fits the name of the company pretty well. I have an automated emailer setup to send emails to our clients' ...
-4
votes
1answer
48 views

Email for openshift application [closed]

As far as I know,OpenShift (free) don't have email server (That's right?). Can I add a mx record to domain (have Cname record to openshift application) and use another server to send and receive ...
0
votes
0answers
71 views

Gitlab does not generate emails

I have just updated our Gitlab instance and wanted to finally configure everything so that notification mails can get sent out. Unfortunately, Gitlab seems to not even generate any notification mails. ...
-3
votes
1answer
30 views

Email system for generic adresses: alias, mailing-list or other? [closed]

As I am not very familiar with the email system, I'll try to describe my needs rather than ask how to do it with a specific feature. I'd like to define a few generic addresses under my own domain, ...