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

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0answers
29 views

Possible Complications When Windows Domain Name is the Same as a Web Domain [duplicate]

Are there going to be complications if a new Windows Domain Controller creates a new domain with the same name as an active domain online? Will this cause significant problems when trying to access ...
1
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0answers
32 views

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

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
40 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
28 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
22 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 ...
0
votes
0answers
13 views

AD and exchange 2010 issues on domain name [closed]

I seriously need help concerning a problem I have on my domain name. I searched but can't find a solution. I have domain name in @eb4g.com in AD with smtp and x.400 standard. A technician created an ...
2
votes
2answers
46 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 ...
-2
votes
0answers
46 views

Should Port 25 be open? [closed]

I am new to server management and I am learning a bit on CentOS (may one day attempt to get a RH cert). Right now I am doing some firewall configuration and I was wondering if I should keep port 25 ...
3
votes
1answer
57 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 ...
0
votes
0answers
4 views

How come the machine name shows up in the email header? [migrated]

All of the mails I send out arrive with the following header: Received: from My-iMac (12.12.12.12 [12.12.12.12]) by smtp.mail.com How come my machine name My-iMac shows up? Is it because of my mail ...
2
votes
1answer
29 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
48 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 ...
6
votes
1answer
62 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
28 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
19 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 ...
11
votes
4answers
903 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
20 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
52 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
42 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
19 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 ...
-1
votes
1answer
26 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
27 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
36 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
19 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
63 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
44 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 ...
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votes
0answers
14 views

contact form not passing emails through on virtualmin server

I am running a virtualmin server to host a few websites. One in particular has a contact form which is sending emails to the same domain as the website. The issue is, I think the emails are trying to ...
0
votes
1answer
45 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 ...
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votes
0answers
5 views

Outlook emails From field do not display user's info from Contacts Address Book [migrated]

I am currently using Outlook 2013 as my email client. Here's my issue: I have contacts stored in my own Contacts Address Book, not the GAL; When an email is received from someone, what I see in the ...
2
votes
2answers
34 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
0answers
19 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
22 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
63 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 ...
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votes
2answers
52 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 ...
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votes
1answer
30 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
25 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 ...
15
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' ...
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votes
1answer
31 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
36 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
29 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, ...
0
votes
1answer
52 views

Prevent Email Going to Spam [duplicate]

I've set up my own server and I'm really struggling to stop any outgoing email go to spam. I've used allaboutspam and mail-tester.com to test it and they both come back with perfect results. No ...
1
vote
1answer
16 views

Exchange 2003 Multi Server Administrative Group

I recently installed an additional Exchange 2003 server into my Exchange Organisation. The server is in the same Administrative Group as the original server but mail flow doesn't seem to be working ...
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votes
0answers
23 views

Mail sent from my subdomain being marked as spam? [duplicate]

Okay, I recently rented a droplet from Digitalocean and wanted to do some testing before I start my site. Am using Ubuntu 14.04 + Vesta CP which comes with EXIM. So one thing I'm grappling with is ...
0
votes
0answers
14 views

Can't connect to any SMTP server from neither of the Macs in the network

For a few days now we have been unable to send out any E-mails from various Macs in the network to various SMTP servers. No changes to any hardware or software have been done in the recent time that ...
0
votes
1answer
58 views

How to configure SPF and DKIM to prevent mail going to spam folder

x-store-info:4r51+eLowCe79NzwdU2kR0zqpsRfiBoycNOl1Rdc4Wf7430jtHWQcYIrKJBAYArutl6yTQ5VQNWAmHikfoeKC6OfxZYs5RQXt5EONp5Fb+tgLbPo7J+jhd2D/FrCdQyzXUlVTtfPnBo= Authentication-Results: hotmail.com; ...
0
votes
1answer
23 views

Forward only email containing attachments [closed]

Is it possible to create rules on an exchange server so that if an email with an attachment is sent to *@*.com the email will then be redirected to **@**.com and ***@***.com ?? Google hasn't helped ...
2
votes
1answer
45 views

Different postfix relayhost based on system user?

How do I configure Postfix to send email through a different relayhost based the system user? The current setup has relayhost= set so all mail goes through that smtp server but I would like Postfix ...
2
votes
1answer
34 views

Submin password reset without e-mail sending

I have installed Submin. Manual says that I should recover my password at the first login. It should be ok, submin will send my new password by e-amil, but e-mail sending is disabled on server. How ...
0
votes
0answers
67 views

cPanel/EXIM re-routing mails through Mandrill to circumvent Gmail rate-limit

I have two cPanel domain (lets assume abc.com and xyz.com) where we have 300+ mailboxes. Users email themselves and outside the company. Most of the emails sent outside the company are to GMAIL. ...