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

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1k views

Setting 'From' header for cron email using msmtp

I've got msmtp setup on Ubuntu 10.10 so that cron can send me emails. That works like a champ, for the most part. However, emails coming to my gmail account show up as coming from (unknown sender), ...
7
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3answers
6k views

How to redirect all outgoing email from postfix to a single address for testing

I am setting up a testing server for a web based application that sends some email notifications. Sometimes testing is performed with real customer data, and for that reason I need to guarantee that ...
-2
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0answers
34 views

Setting up reverse DNS correctly and testing it

I have a mail server which I setup reverse DNS on an Azure service. The IP of the server points back to email.example.com which is what I set it to. I also set my local host name and welcome message ...
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0answers
52 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 ...
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1answer
3k views

How to reduce the Sendmail DNS timeout period

I have a problem with the sendmail DNS timeout period when trying to sent to a email address which has a DNS issue. Let's say the problematic email address is test@example.com I can see there is a ...
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0answers
27 views

Can't send emails to @live domain

I can't for the love of god make my server work with sending emails to a @live.com account (and probably the whole @live,@outlook domains). The server reports that messages have been send , on my ...
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2answers
1k views

What is the email SPF entry for sending from Yahoo!?

I have a client that is sending email from a Yahoo! Plus account as if from her own domain. Is there a way to set up the SPF record so that it covers all of Yahoo!'s outgoing servers? i.e., what do I ...
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1answer
24 views

SMTP doesn't work on distinct machine [on hold]

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 ...
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2answers
35 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 ...
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1answer
54 views

***UNCHECKED*** in Subject of all incoming emails [on hold]

I'm looking for an answer to help me figure out why the phrase ****UNCHECKED**** Appears before any of my received mail from any address (there's only 3 *'s, but it made it bold with only ...
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1answer
26 views

A proper email server setup tutorial [on hold]

I know that there are plenty of tutorials floating around online on how to properly setup a mail server on Linux. The only problem is that most are severely outdated and the information isn't clear. ...
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3answers
56 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 ...
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3answers
11 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 ...
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votes
4answers
189 views

Remove blacklist from spamRATS

I have checked my IP in SpamRATS and the result is the following: Standards Compliance: Does IP Address resolve to a reverse hostname... Passed! Does IP Address comply with reverse hostname ...
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1answer
20 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 ...
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0answers
12 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 ...
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1answer
99 views

How to prevent emails from my domain through mailing lists to be rejected due to DMARC

I operate my own mail server at speedofsoundgaming.com and mwtd.net. I recently added a DMARC record to my domain to help prevent spam, and once seeing that things seemed to be working, upped the ...
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7answers
13k views

My email server is being blocked by Yahoo: TS03 Message permanently deferred

My mail server has been getting the following error from Yahoo's mail servers since about a month: postfix/smtp[23791]: host g.mx.mail.yahoo.com[98.137.54.238] refused to talk to me: 421 4.7.1 [TS03] ...
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0answers
14 views

Monitoring with email templating [on hold]

I'm looking for a server monitoring service who allows customized notification email templates. I'm currently using Pingdom and they don't offer email templating. I've read about StatusCake, but I'm ...
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votes
1answer
66 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, ...
2
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3answers
3k views

Outlook 2007 login prompt repeat prompt and exchange 2010

It seems when I first setup a new user in Outlook 2007, a login prompt comes up and asks for credentials. After the account is setup, the login prompt will repeatedly prompt throughout the day and is ...
0
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1answer
382 views

How can I move mail from one server to another? [closed]

I currently host mail accounts on a VPS, which I want to move to a hosted CPanel account. Mail is handled by Postfix and Dovecot, but I don't know much about the server I want to move the mail to. ...
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1answer
167 views

DMARC 'sampled out' policy override effect in GMail server

Anyone know what actually a sampled out override reason mean in DMARC aggregated daily reports? I only get those from GMail and recently I've got some complains of undelivered messages from recipients ...
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2answers
58 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 ...
2
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1answer
22 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 ...
0
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1answer
2k views

CentOS Dovecot Permission Denied

I have a dovecot mail server setup with Virtualmin, and for some reason, out of the blue, yesterday, the mail server stopped working. I found that in the /var/log/maillog file, I have the following ...
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1answer
548 views

Archiving Emails: Multiple Transports in Postfix?

I'm trying to archive incoming mail by routing it to a PHP script (which inserts it into a database) before sending the email to the destination server. If I configure my /etc/postfix/transport as ...
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2answers
502 views

How to write a good abuse email?

I work for a service provider, and we've suffered an attack. We've learned from it, but nonetheless it has cost us. The good thing is we have pcap traces of the event, and IP addresses. Now my ...
0
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2answers
715 views

Zabbix Not Triggering Events and Not Sending Notification Emails

I am new to Zabbix administration. Running it to monitor server resources on a linux machine. Setting up Email notifications against trigger's expression if System RAM goes below 40GB. Using Amazon ...
0
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1answer
120 views

Directadmin default php mail from (exim) [closed]

We use a server under NAT and it hosts a domain with unvalid tld as "MI" and when we try to send a mail with phpmail at most cases we got this error in /var/log/exim/mainlog 2014-11-02 04:00:06 ...
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0answers
22 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
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1answer
64 views

Exchange 2010 - Auto-forwarded email not arriving at destination (20/40% missing)

Good morning, we have a weird issue with Auto Forwarding emails from Exchange 2010. Little background information first, I work for a daughter-company, lets say @bla-daughter.com. Our head office is ...
0
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1answer
39 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. ...
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2answers
3k views

Munin email notification

I am trying to get munin to notify me via email. I have configured munin and it reports critical and warning values but no alerts are being sent neither is any script being called. Can you please help ...
0
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3answers
427 views

How to use the original sender date instead of the fetch date in OTRS

When OTRS fetches emails from an IMAP account it forgets the original send date and replaces this with the fetch (!) date. Normally this is not a problem, but when you're importing an existing IMAP ...
1
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1answer
88 views

Configuring E-mail server to allow review of each outbound email

I want to have a separate person reviewing the style of outbound e-mail correspondence sent by new employees. We have an MS Exchange in our organization, but I can look into any e-mail server system ...
2
votes
2answers
1k views

how to include error messages into backup reports for SQL Server 2008 R2?

Right now I have daily (differential) and weekly (full) backups set on my SQL Server 2008 R2 as jobs for SQL Server Agent with email notifications if job fails. I do get emails like this: JOB RUN: ...
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2answers
593 views

Postfix: can't send mail from remote client

I'm having issues sending mail from postfix. I believe my conf. is very standard, at the end it was put together from various guides. I'm trying to send mail from remote client (iOS Mail, and Mac OS X ...
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0answers
48 views

Restrict email accounts that can send email

I want to restrict email accounts that can send emails - I've had an issue with a spambot sending emails from a malware script that was placed on my server (I'm trying to figure out where the ...
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2answers
35 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?
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0answers
13 views

Setup an email server separate from HostGator [closed]

I have a website and email server that is with HostGator, I want to keep my website on HostGator but set the email server to one that is running elsewhere. What do I have to do to get this ...
2
votes
1answer
157 views

maildrop and quota exceeded

I implemented warning maildrop when quota exceeded. This worked correctly except for one detail. The drawback is that sending mail notice is sent only time... I mean for example if the mailbox has ...
1
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1answer
163 views

Postfix, schedule batches of email to be sent

Is it possible to have postfix limit the amount of emails it sends at once and when there is larger than x email, send them out in timed batches (wait 5 minutes, send another 50, something like that)? ...
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votes
1answer
47 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 ...
0
votes
1answer
63 views

Relay Denied SMTP error from remote mail server after RCPT TO: <email@example.com>

Hi I have a problem when I want to send mail using smarthost method in exim and usage Mailgun as SMTP server for relay. this is my configuration dc_eximconfig_configtype='smarthost' ...
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votes
2answers
54 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: ...
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1answer
58 views

How to send a custom reject notification in Qmail (badmailfrom File)?

i´m using QMail and i want to reject various emailadresses (domains). I found the following way: Block Email Senders in QMail: /var/qmail/control/badmailfrom When i block a sender he will get the ...
7
votes
5answers
3k views

Minimal setup for sendmail to send outgoing email only?

I run a simple server that I administrate remotely, and I need it to be able to send an email to my personal email address every time an error occurs. With the default setup on Ubuntu, sendmail just ...
0
votes
0answers
48 views

postfix/mail: where can I find configuration of SMTP server?

I'm working on an older, pre-configured Linux server (openSUSE 12.1) on which some programs send email via /usr/bin/mail: echo "text" | /usr/bin/mail -s "subject" -r recipient_email recipient_email ...
0
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1answer
29 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 = ...