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

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2
votes
3answers
124 views

Exchange 2013 OWA: Always download remote content from domain/sender

We are using Exchange 2013 for multi-tenant email hosting and I am trying to create a policy that will always show remote content from a specific sender domain (or single sender is fine too) in OWA. ...
1
vote
0answers
25 views

How to troubleshoot marketing e-mail inbox rate / deliverability? [duplicate]

After previously using managed ESP's, we've recently switched over to our own server (CentOS 6) that's set up to send bulk e-mails with 12 IPs/SPF/DKIM. Campaigns are processed and sent via ...
0
votes
2answers
22 views

Syncing with deleted IMAP account

Due to server data loss, I will have to recreate IMAP e-mail accounts for a client. He still have copies of old e-mails locally in Outlook. My question is: when Outlook syncs again with the new, ...
-2
votes
1answer
27 views

Keep receiving abuse messages from my service provider, but cannot find anything in maillog

I keep receiving from my provider abuse messages, that spam is being sent out from my server, but I cannot find anything in the /var/log/maillog files. No information is being logged there about ...
0
votes
1answer
33 views

Microsoft Exchange / E-mail / Restore from Journaling Mailbox

Would any Microsoft Exchange (2013) admins know the best way to parse a journaling mailbox to re-create a user's mailbox? (this isn't my exact requirement, but is simpler to explain and accomplishes ...
-1
votes
1answer
99 views

My server mail going junk in hotmail and yahoo [duplicate]

All my server mails going to spam in hotmail and yahoo. Here is my full mail source. Can any one please help me to sort out this issue ? ...
3
votes
1answer
73 views

How can one configure exim still to reject invalid recipients after an earlier ACL returned “discard”?

For the reasons set out in my earlier question Originating (non-critical) emails from a "less-trusted" host, it unfortunately seems that we must run an SMTP server for the sole purpose of accepting ...
1
vote
2answers
80 views

How to send a large number of emails to a dated list of receipients

One of my clients was to send an email to ~100,000 recipients. The client is a state organization, the emails are not promotional, the recipients are all members of the organization and they are sure ...
-2
votes
1answer
24 views

Configure postfix to run filter only with selected mail else all other mail pass without being filtered

I am running postfix and I'm using ubuntu 14.04. I created php script and i injected it into postfix to filter incoming mail. All run as I wish. But Now I want my postfix to run filter only with ...
1
vote
1answer
40 views

Originating (non-critical) emails from a “less-trusted” host

Background We have a webapp running on webapp.example.com that (amongst other things) sends messages by email from time to time. These messages are non-critical: whilst we would like to make a best ...
-4
votes
1answer
44 views

DNS MX Record resolves fine from my servers, but is not cached/returned? [closed]

So, my DNS server is returning the MX records just fine: DNS: avuna.org for type# 15 returned 0000046D61696C056176756E61036F7267 Has the proper records: mail.avuna.org A 198.167.143.175 ...
5
votes
3answers
84 views

What to do if one doesn't want to receive email bounces?

Background—the standards RFC 5321 §4.5.5 states: All other types of messages (i.e., any message which is not required by a Standards-Track RFC to have a null reverse-path) SHOULD be sent with ...
0
votes
0answers
12 views

outlook calendar send email on update

We have a shared mailbox that is used as a holiday/meetings calendar in outlook for all employees (this was set up before I joined, else wise I would have set up just a shared calendar). All Users ...
-2
votes
1answer
29 views

Postfix Email Server Manipulation

I have one postfix mail server (postfix-2.10.1-6.el7.x86_64) under CentOS7. Now, our App Department is using it to send sms'es via email. To: 123456789@domain.tld To: 987654321@domain.tld To: ...
2
votes
1answer
146 views

What I have to modify to have SELinux allow nginx to act as an IMAP/POP3 proxy?

By default nginx under CentOS 7 will fail to start if used as an IMAP/POP proxy. This is because of SELinux. How can SELinux's configuration be altered, without disabling its protections, to allow ...
2
votes
1answer
28 views

Benign Email Headers

On our server, we have two separate email systems: if it's a long queue of recipients, then we store it in a queue to be sent in a cron. If it's less than X number of recipients, then it sends ...
-1
votes
2answers
32 views

Forward non-hosted .de email addresses to hosted .com

I have a domain with associated web and email hosting package ( let me call it mydomain.com ). I also have a second domain ( mydomain.de ), this one doesn't have email hosting. I would like to make ...
2
votes
2answers
116 views

Fail to trigger my php script when mail received by my Postfix

I am running Postfix mail on ubuntu 14.04.1. I want to "trigger a PHP script when Postfix server receives a mail" After investigation and the help of many tuto, . I have configured "postfix" & ...
0
votes
1answer
25 views

Change OSSEC alert emails “From” header

I'd like to know how to change the name in the "From" header for emails sent by OSSEC. I couldn't find any information about that. Alerts I receive from my server are quite well organized. And OSSEC ...
1
vote
1answer
49 views

Configure postfix to send email only from authenticated and receive from anywhere

I`m having problem configuring postfix to receive emails from any domain but block senders for only authenticated users in localhost My main.cf is like : mydomain = domainname myhostname = ...
0
votes
1answer
33 views

Possible to setup a secondary email server with unique addresses?

It is possible to setup two email gateways such that if a record doesn't match the first server then it attempts a second server before failing to deliver? Background: Client recently switched from ...
1
vote
1answer
185 views

Forwarding email with postfix via AWS SES

I have a server with postfix MTA installed that accepts mail for my domain, hereinafter @example.com. I need to setup forwarding for certain emails@example.com to other emails . e.g. @gmail.com and ...
1
vote
0answers
31 views

How to Route google apps gmail based on subject line?

I set up a bunch of routes in my new google apps system (migrating from doing inbound email with mailgun forwarding). In one case we need to forward all email with a particular subject to another ...
0
votes
2answers
46 views

sendmail/exim4 two servers one is send-only

We have the following setup: One web-server on Debian with PHP on the main domain, that can send emails, but must not receive. It has exim4 installed. Let's call it example.com One mail server on ...
0
votes
1answer
61 views

How would get an email server reputation via cli or script?

I am trying to monitor email server reputation via cli or script i.e. https://www.senderbase.org/ I found a way supposedly to do it via dig, but the output appears to be very incorrect. It indicates ...
0
votes
0answers
79 views

Major Mail Issue - SMTP Local Server Not Working

My database (MySQL), web server (IIS 8 ) AND SMTP server (IIS 6) are all on the same dedicated server (Windows Server 2012) that I'm honestly renting for a bit of system admin practice. I followed a ...
0
votes
0answers
24 views

Setting up mail server that can handle multiple users for side project

I want to set up a mail server that can handle multiple users. Basically, the end application will assign each user an address, say example1@testdomain.com. The users can send emails to this address, ...
5
votes
1answer
113 views

Postfix: selecting relay host based on From: mail header rather than envelope sender

I've successfully set Postfix to relay emails via Mandrill using SASL and sender_dependent_relayhost_maps with a MySQL table so that different senders connect to Mandrill using their own Mandrill ...
0
votes
1answer
33 views

giving AD users shared email account

I have a microsoft platform, with active directory and exchange. Normally, all AD users are assigned mailboxes associated to that userid. Our organization employs many transient personnel, who come ...
1
vote
0answers
93 views

Allow Powershell script executed on Exchange server to send mail - best practice?

I've got a single multi-role Exchange 2010 server and a need to execute a Powershell script on monthly schedule. And i really would like to send a report via email to some local company's mailbox by ...
0
votes
1answer
62 views

Change From name when sending emails

I have setup exim4 on Debian 7 to send emails for alerts and stuff on my server to my Gmail account. I edited /etc/email-addresses and added a line: sysadmin: sysadmin@example.com When I receive ...
0
votes
0answers
23 views

How to set up email transparency on an exchange server

Stripe is famous for its email transparency. I want to replicate this, and specifically I want to have email be stored in an archived manner that anyone can search. I'm not really sure how to do this ...
7
votes
3answers
120 views

Does “~all” in the middle of an SPF record signal the end of the record when it is parsed?

Our company's SPF record format is as follows: "v=spf1 include:_spf.google.com ~all a mx ip4:X.X.0.0/23 include:spf.example.com ?all" So we have an "~all" in the middle of our SPF record. On the ...
1
vote
0answers
68 views

Emails keep going to Gmail spam folder - DKIM, SPF, are set up - Very perplexing [duplicate]

Note: This is NOT a duplicate question, there are no questions that address the very specific details of headers as far as whether the inclusion of multiple DKIM entries will result in landing in the ...
0
votes
2answers
97 views

Postfix Failed to Receive Email

I am trying to set up a mailing server with postfix and dovecot in ubuntu 12.04 following this guide. All seems to have worked out correctly and when I try this echo test | mail email1@example.org ...
0
votes
0answers
28 views

Disable mailboxes on Exchange 2007 while emails are being redirected to Gmail

I am trying to uninstall Exchange 2007 for a client as they have decided to use Gmail from now on. I have been going through some errors like the transport connector and the watermark and now I am ...
2
votes
1answer
86 views

Hotmail/Outlook dumping apparently valid emails

I've written some software that operates a non-commerical contact list for clubs, where the server sends out admin mails to the entire club. The emails are received Ok on Yahoo, gmail, and AOL, but ...
2
votes
3answers
12 views

Where, in Exchange, can rules from other sources be removed?

I have one user, out of almost 500, who has connected his Android phone to Microsoft Exchange; I've ensured that this has been done correctly, but he, at one time, set up some inbox rules from the ...
0
votes
1answer
34 views

SMTP doesn't work on distinct machine [closed]

I'm trying to setup TLS e-mail on remote machine, but it doesn't work. Trying to send e-mail on my local machine (Windows 7 x64 locale ru-ru): 16:33:18 CONNECT : Looking up host name ...
2
votes
1answer
33 views

Stop (most) local delivery in Postfix

I'm trying to setup a Postfix (2.11.4) configuration so that it does this: Sends out mail originating from the local server Accepts incoming mail for a single alias, which actually points to a ...
2
votes
0answers
101 views

nullmailer swaps sender and recipient

I want to send emails from my server through external mail server. So I installed nullmailer as one of simpliest MTA in Debian 7 x32. My /etc/nullmailer/remotes: smtp.example.com smtp ...
0
votes
2answers
77 views

Relay Access Denied - Postfix/Dovecot

Edit: Please, please read the answer before this whole thing, as it'll save you tons of time. Answering my issue was as simple as changing a setting with Outlook, it might be for you, as well. It had ...
0
votes
1answer
274 views

Temporary Lookup Failure - Postfix/Dovecot

Alrighty... So here's what's going on. I can sign in with Outlook to my Mail Server, but when I go to send an email, I get this error. Using SquirrelMail, I don't get any errors, sending works fine. ...
-1
votes
2answers
38 views

Is it possibe to do an exclusion in an MX record? [closed]

Is it possible to exclude certain addresses or wild card addresses using an MX record?
-4
votes
1answer
129 views

Ignore MX record and send mail directly to an Office365 address [closed]

I'm a bit of an amateur at this so bear with me, here's the problem: The current email provider for the company only allows a single Office365 exchange account per subscription. They do not allow ...
-2
votes
2answers
71 views

Ubuntu mail command - where does it store sent mail?

I am very new to Ubuntu and have an issue where sent mail from our Ubuntu Server has been failing for a number of weeks. We are using the mail command (invoked from PHP) like so: ...
-3
votes
1answer
82 views

No longer able to send e-mails from Ubuntu server to Gmail group [closed]

I have an issue where sending e-mail from our Ubuntu server to a Google Group account no longer works and results in the Google group rejecting the e-mail. (Please note that when I say Google Groups, ...
0
votes
1answer
609 views

Getting a [550 5.1.1 Recipient not found] (Can't receive email) with CloudFlare

I'm having troubles with my email account. I'm using GoDaddy's Email service and the domains that are not connected to CloudFlare are operating just fine. The problem comes in with the domains that I ...
0
votes
1answer
551 views

Postfix milter-reject: END-OF-MESSAGE from 4.7.1 Service unavailable - try again later

I am running postfix-2.11 version and recently i have added dkim-milter-2.8 Postfix configuration: # DKIM milter_default_action = accept smtpd_milters = inet:localhost:8892 non_smtpd_milters = ...
0
votes
1answer
67 views

DKIM syntax, DNS Server rejected [closed]

I really need help on why my DNS host keeps on rejecting this entry: default._domainkey.myschool.edu.sg IN TXT "v=DKIM1; k=rsa; p=MIGfM...hZwIDAQAB;" I added our domain based on what I have read so ...