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

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0
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0answers
8 views

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

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 ...
2
votes
1answer
355 views

Is it possible to modify a single email account's maximum attachment size in cPanel? [on hold]

In cPanel, how can I adjust the maximum attachment size for a users email account?
0
votes
2answers
19 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, ...
3
votes
3answers
2k views

Exim on Centos - Configuring gmail smtp

I want to set up Exim to send the mails through my gmail (actually my domains google apps). I have added the router, transport and authenticator. Specifically: gmail_route: driver = manualroute ...
5
votes
3answers
74 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 ...
-2
votes
1answer
31 views

Alternative solution when Port 25 is blocked [on hold]

I'm running a web server on my VPS (debian & webmin) for hosting my wordpress website along with others too, i've also tried to setup a mail server (postfix+dovecot) but unfortunately my VPS host ...
-5
votes
0answers
31 views

Mail issues on server/website [on hold]

A website on a VPS is sending emails using a @example.example.org (note the extra example) and getting stuck in spam/trash even though we have and the correct filters in our domain manager. I'm ...
2
votes
1answer
268 views

Fetch all Mail from an IMAP server with Postfix to distribute on local IMAP server

The situation: The constellation: We have a managed, dedicated server from a professional provider. We currently have Tobit David.fx server in use within our local network which fetches all E-Mails ...
4
votes
7answers
754 views

Good tool for searching E-Mail in Outlook? [on hold]

As a System Administrator, I tend to accumulate a lot of E-Mail. And, unfortunately, my current employer requires Windows on the desktop and Outlook for e-mail. My question is, are there any good ...
6
votes
2answers
5k views

Get postfix to forward root's mail

I have an Ubuntu server running postfix. It is not the mail server for my domain. Whenever a cron job runs for root, the output mail is not delivered locally, instead it gets sent to ...
6
votes
2answers
298 views

How to use two mail servers in parallel, if possible?

I basically want to have two separate email servers. The first one is the GoogleApps GMail service, which is for humans to use. The second server would be for sending messages from my application (so, ...
2
votes
1answer
4k views

Distribution list with external email sent from outside

I have Exchange Server 2010 in my environment and I have the following problem with Distribution Lists. I have created one Distribution List which includes email addresses from our company and ...
5
votes
1answer
369 views

Disable Outlook Web Access Junk filtering in Exchange 2013

By default, Outlook Web Access (OWA) in Exchange 2013 seems to move suspected junk mail to the Junk Email folder. This is undesirable behavior in most of my environments because we have Barracuda Spam ...
2
votes
2answers
449 views

In Exchange 2010, if transaction logs fill a partition so no more logs can be created, are any emails received during that time lost?

Title basically says it all. Performing some work on a client environment where their backups stopped running and their Exchange transaction logs filled up the partition they resided on. I'm just ...
5
votes
6answers
1k views

Prevent outgoing spam

What are some ways to prevent spam from leaving your servers should a hosting account get compromised? Have a bunch of clients on a server with cpanel but wondering if there was a way to just ...
1
vote
3answers
177 views

Exchange email eavesdropping issue

Is there a way for someone (like admin) to see, forward or delete user's emails? We are using exchange and outlook client, and suspect that someone with in the company might be eavesdropping into ...
0
votes
1answer
10 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 ...
-2
votes
1answer
24 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
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0answers
6 views

Migrated IMail to Smartermail using migration tool and emails not showing up [closed]

Recently migrated domains from Ipswitch Imail to Smartermail using the migration tool provided by Smartermail. After migration I can see that all files have been generated and everything appears to be ...
32
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9answers
50k views

How do I get apt-get to ignore some dependencies?

How do I make apt-get ignore some dependencies? For example, I wanted to install mailx so I can use it to send email from cron scripts/report-generating tools. However, installing mailx also installs ...
0
votes
2answers
123 views

Access mails on server after moving mail DNS

I've just moved mail for a domain over to Google Apps, from my web host. All is well, except for some mails in one account left on my host. I don't want to reverse all my dns changes just to ...
-1
votes
2answers
245 views

Hostname appearing in email header

I use Postfix as SMTP Server and I don't want my server hostname to appear in the email header, what changes should I do? As you can see in the code bellow, here is the hostname: server1.example.com ...
0
votes
3answers
844 views

Domino always server fails to send SMTP email at first attempt

In our logs, we find the below: Router: No messages transferred to fakedomain.com (host mx.fakedomain.com) via SMTP: The server is not responding. The server may be down or you may be experiencing ...
3
votes
1answer
890 views

Can “Automatically update e-mail addresses based on e-mail address policy” delete e-mail addresses?

When editing a mailbox's e-mail addresses in the Exchange 2010 Management Console I see the checkbox: My only e-mail address policy defines email addresses like username@mydomain.com. If I edit a ...
3
votes
6answers
4k views

Hotmail and Live.com rejecting all emails [duplicate]

I have been having problems sending emails from my server to hotmail.com and live.com email addresses. I have read other posts on serverfault but they have not been helpful. Here is the error message. ...
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votes
1answer
23 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
32 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 ...
15
votes
8answers
62k views

How to send email with my CentOS server?

I just built a modest home server using CentOS 5.5. I want the server to be able to send emails to my Gmail account or other email accounts for various things like cron jobs. Also it would be nice to ...
-2
votes
1answer
25 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: ...
4
votes
2answers
1k views

Is the 10-DNS-lookup limit in the SPF spec typically enforced?

My understanding is that the SPF spec specifies an email receiver shouldn't have to do more than 10 DNS lookups in order to gather all the allowed IPs for a sender. So if an SPF record has ...
1
vote
1answer
34 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 ...
-2
votes
0answers
26 views

How to use multiple domains on mail server? Linux Debian [closed]

Hi guys I am running mail server on linux debian but I want to use more domains how should I setup these configs and records? /etc/hostname, /etc/hosts, postfix and DNS A and MX records? thank you for ...
0
votes
1answer
872 views

cyrus-imap SSL error

We have recently launched a site and a few days ago the mail.log file started to grow incredibly quickly (2gb per day). I've just had a look at log file and the lines below below are repeated ...
1
vote
2answers
65 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
15 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
0answers
67 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 ...
-4
votes
1answer
34 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 ...
0
votes
1answer
944 views

MailEnable error on windows server 2008 r2 : Reason: Remote SMTP Server Returned: 550 5.7.1 Unable to relay for info@example.com

I am going crazy about this error message. for some of the domains, I am receiving this error message; Reason: Remote SMTP Server Returned: 550 5.7.1 Unable to relay for info@example.com I am ...
2
votes
2answers
57 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" & ...
1
vote
1answer
2k views

Exchange server 2010 stopped receiving incoming emails

We have an Exchange Server 2010 V 14.01.438 running on Window Server 2008 R2 Enterprise, which stopped receiving incoming emails about three hours ago, however everything we checked appears to be in ...
0
votes
0answers
6 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 ...
-1
votes
2answers
18 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 ...
1
vote
3answers
1k views

forward all mail on a specified domain to script

I run a disposable e-mail service that accepts all incoming mail and forwards it to a PHP script that stores it in a database for people to view. Before now, I have been on shared hosting with cPanel, ...
2
votes
1answer
38 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
24 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 ...
0
votes
1answer
897 views

Exchange 2010 530 5.7.1 Client was not authenticated from some MTAs

I have a strange issue on an Exchange 2010 Version: 14.03.0158.001 (latest to date). The receive connector is set up correctly, with anonymous users checked, but still, I can receive mail from some ...
3
votes
2answers
3k views

Sendmail Configuration for Exchange Server

i need help for sendmail configuration in our linux machine. Here the things: I want to send email to outside by using our exchange server as the mail relay.But when sending the email through the ...
1
vote
1answer
87 views

Postfix - relay locally generated mail but accept mail incoming from GApps for the same domain

I know the way to disable all local delivery is to remove the domain from "mydestination", which will cause all mail to be relayed through whatever relay I setup. But I want postfix to accept all mail ...
1
vote
1answer
528 views

Forcing a sender name on outgoing mail

I'm attempting to implement a consistent standard across my company's email accounts as the business grows and we also become involved with other market sectors (for which we have alternative accounts ...
7
votes
4answers
4k views

SMTP message rate control on Ubuntu 8.04, preferably with postfix

Maybe I am chasing a bug but I am trying to set up a smtp proxy of sorts. I have a postfix server which receives all the email for a collection of servers/clients. It them uses a smarthost ...