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

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14
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4answers
3k views

Does Exchange support plussed users (e.g. myname+spam@example.com) or a similar mechanism?

Sendmail supports a feature called 'plussed users'. Once enabled, emails sent to myname+spam@example.com, myname+sometopic@example.com and myname+anything@example.com are automatically delivered ...
40
votes
6answers
71k views

How to send emails and avoid them being classified as spam?

This is a canonical question about how to handle email sent from your server being misclassified as spam. For additional information you may find these similar questions helpful: Best ...
-2
votes
1answer
28 views

Another private/auth not found thread in postfix-dovecot combo

If I try to send mails through my relay I get: warning: SASL: Connect to private/auth_dovecot failed: No such file or directory fatal: no SASL authentication mechanisms The auth part in main.cf: ...
0
votes
0answers
15 views

rbldnsd does not dump statistics with -s option

I am trying to get rbldnsd to dump statistics using the -s option, but it does not create any statistics file. Same goes with log as well. I am running it in a chrooted environment. Searched the ...
1
vote
3answers
849 views

SSMTP to forward root@localhost mail

I would like to forward mail that gets sent root@localhost on multiple servers to our company admin account (e-mail is hosted on gmail) I have installed ssmtp on centos 5.5 via yum and configured ...
0
votes
1answer
451 views

RAID Card Event Notifications Email to Gmail

I need to get email for event notifications from our RocketRaid 2782. The problem is I don't see a way to get it to send mail to our google apps gmail account. I don't think the card offers ...
4
votes
1answer
8k views

How to resolve problems with spf / softfail?

I'm having problems with Google rejecting mail because of SPF problems. I thought I had this fixed, but evidently not... The mail is being sent from a Drupal site running mimemail. A message that ...
-1
votes
1answer
14 views

Hosted email routing service while downgrading domain [closed]

I'm at a situation where I need to close a domain on Google Apps due to inactivity, while closing the domain I would be interested to preserve emails sent to that domain. I understand that my ...
1
vote
1answer
49 views

PTR Record setup with separate incoming and outgoing servers [duplicate]

The situation: Even though SPF, DKIM, and the entire mail formatting is optimized to score 10/10 on mail-tester, many outgoing mails are marked as spam in yahoo and outlook. The primary server sends ...
0
votes
1answer
987 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
0answers
19 views

Anubis as GPG proxy

I'm trying to setup GNU Anubis to act as a sort of proxy to sign/encrypt emails coming from a service. The service is currently configured to send email using our SMTP server. The idea would be to ...
0
votes
1answer
63 views

New CentOS 7 server - Sending mail from a PHP application

Apologies for the newbie question but i'm hoping someone can provide me with some help/steps. I am in the process of migrating a website from a managed shared hosting account online to a new CentOS 7 ...
1
vote
2answers
3k views

How does Thunderbird discover e-mail servers?

We are deploying some test e-mail servers with the subdomain mail (i.e., mail.example.com). Now, it seems that Thunderbird discovers that e-mail server when we are configuring e-mail. How does ...
1
vote
0answers
32 views

Autoconfig and Autodiscover records added, Mail Apps still not discovering configuration

I have setup autodiscover and autoconfig configuration over my linux server Auto Discover Auto Config by following this Tutorial but my mailing apps are still not getting the configuration ...
-4
votes
1answer
37 views

FH_HELO_ALMOST_IP: How to fix HELO for sent e-mails (CentOS 7) [closed]

I've got bad rating of my sent e-mails because of my invalid Helo. I have no idea how to fix it. CentOS 7 On Kimsufi Any ideas? Ok, I've done something and it helps. I've made change here ...
1
vote
1answer
36 views

Finding email read times on exchange server

I'm trying to do a forensic analysis on an exchange server, and I'd like to determine what time a user read a particular email. Is there any way - perhaps with a tool like mfcmapi or another open ...
3
votes
3answers
155 views

Email from IOS with attachments larger than 7.5Mb gets stuck in outbox and constantly tries to resend. Costs us hundreds in data fees

We have an on premise Exchange 2013 server. When sending email with large attachments from ActiveSync accounts on IOS devices, the email gets stuck in the outbox and won't send. It keeps trying to ...
1
vote
0answers
55 views

OWA stopped working suddenly exchange 2010

My OWA is suddenly not working for internal and external mail. Is there any way to find a solution for this problem? Here is the Microsoft Outlook connectivity test result: Testing Outlook ...
1
vote
1answer
46 views

Mails not being received. status=deferred (lost connection with 127.0.0.1

I have a MiaB box with about 30 email boxes. This errror pops up in /var/log/mail.err but with no other information. WARNING! Error in process_request eval block: /usr/sbin/spampd: write error ...
0
votes
1answer
42 views

SMTP-Mailing with PHP works - but not with PHP-Cli

I mentioned a strange behavior on my webpage: If I try to use Joomla to send Mails via SMTP it works fine; no problem at all. But: If I try to use a PHP-CLI-Script the action fails (same source ...
-1
votes
1answer
33 views

Setting Email Notification for Virtual machine whic are down or services that are stopped in Azure Cloud

We have more than 10 virtual machines in our cloud environment.there are some duration during which our virtual machine get stopped or the services get automatically stopped. We tried with creating ...
-2
votes
1answer
43 views

Setting up a webhosting at home with own domain [closed]

FIRST OFF ALL: I understand that hosting sites from home is a terrible idea, but the point is that I have to test some sites with a very custom apache/php setup so I don't want to spend money renting ...
0
votes
0answers
92 views

hotmail isn't receiving mail from my server

Hotmail is block all mails (not send to Junk, it really block!) send from my VPS server (even if I send directly from roundcube, for instance). I checked all configs and seems that all is ok. Works to ...
5
votes
6answers
8k views

Emails going to Junk for Hotmail recipients [duplicate]

We send daily mass emails to our customers (~30,000+ emails per day). We have problems with Hotmail users receiving our emails. Sometimes the email goes to the Junk folder, but often it will got to ...
1
vote
0answers
22 views

IP Blackliste with CBL for 'HELO' command? [closed]

My Setup: cPanel w/ Centos + CloudLinux 6 EXIM. suPHP. PHP 5.5. 'prevent 'nobody' user from sending..' enabled Other Enabled Settings: CSF firewall (SMTP tweak enabled), CXS, suPHP, mail header ...
1
vote
0answers
95 views

Unable to send email via Postfix SMTP via Mac Mail App

I installed a SMTP server with Postfix as mail agent (on Ubuntu 12.04). Config is as follow: $ postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no ...
0
votes
0answers
32 views

Daemon is sending email to root@vpsxxxxx but which deamon?

I have an email address host a Gandi which is: test@mydomain.com password: 1234 I set up an ssmtp deamon on a VPS debian to be able to send email through this address. /etc/ssmtp/ssmtp.conf is: # ...
1
vote
1answer
46 views

Email Autodiscovery Not Being Probed By Android

Android's default email client is supposed to probe the server for the domain of the user's email address per outlook autodiscovery. This bug seems to indicate that at least the first two steps of ...
2
votes
1answer
51 views

Android email auto setup

There are some questions on serverfault about setting up Thunderbird autoconfiguration and Outlook autodiscovery, but when using the default email client on Android (tested on three phones - v4.4 and ...
0
votes
1answer
2k views

hMailServer - Thunderbird message with a blank body

I've just installed hMailServer and Thunderbird and managed to get them talking to each other. When Thunderbird gets the message from the server (this is all running locally by the way), the subject ...
0
votes
0answers
20 views

Filter internal mails for Spam on Office 365 (Exchange Online)

Whilst making the transition from the On-Premises Exchange 2010 Server to Office 365 (Exchange Online), we temporarily left unconfigured our E-mail filtering smart host (Websense Cloud E-mail ...
7
votes
2answers
6k views

How to redirect all mail from one domain to another in Postfix?

I have two forms of the same domain name, one being a common misspelling of the other, let's say tedswidgets.com and tedswigets.com. I'd like to redirect all mail for <someone>@tedswigets.com to ...
0
votes
1answer
49 views

What directory permissions does Postfix require to copy mail into a users maildir folder?

I have postfix setup and running. Everything seems good other than the directory permission errors. In the past i accidentally ran chown -R apache / which as you can imagine broke a crazy amount of ...
1
vote
0answers
18 views

How can I dump email headers to plaintext files?

I have a .pst for which I would like to extract header information for all emails and dump it to one file per email. How would I go about doing this?
1
vote
0answers
39 views

Windows Server 2003 R2 - Adaptec Storage Manager email notification not working

I'm having problems with the Adaptec storage Manager email notification. It can't send emails to recipients, always showing an ERROR message. Seems that the problem it's related to some java voodoo ...
3
votes
3answers
16k views

How does Exchange 2010 prevent auto-reply loop?

E.g., 2 users have auto-reply configured. User A sends a message to User B. User B's auto-reply gets sent to User A's mailbox. That, in turn, causes an auto-reply to be sent from User A and insanity ...
1
vote
0answers
13 views

SpamAssassin : main.cf score if test not passed / not defined

I can set scores influences for different test passed in main.cf for spamassassin. Like if I set this variable : score URIBL_BLOCKED (3.5) This means that if mail marked is URIBL_BLOCKED for ...
1
vote
1answer
29 views

Apple Mail , Kerio connect and TLSv1 disabled

Due to PCI-DSS now requiring that TLSv1 is disabled to pass our network scan I have the following issue. Using Kerio Connect mail server (www.kerio.co.uk) Apple Mail (yosemite and all the way ...
0
votes
0answers
45 views

Exchange 2013 message sending failed queue expired

We are getting multiple message delivery failures intermittently with various causes. One such cause is the following: #550 4.4.7 QUEUE.Expired; message expired ## ...which is received ...
0
votes
1answer
38 views

Can I migrate only some users to Office 365 and keep the rest on our on premises mail server?

We have an on premises mail server (not exchange) and we have been evaluating Office 365 for a while and really like it. As a migration path, and to work out any kinks, is it possible to have our ...
3
votes
2answers
1k views

Timeout error in all my apps for every call to smtp servers

On my VPS (a tophost.it "TopServer" with Ubuntu 12.04 LTS), since a few days ago all my apps are became unable to send emails. All I could learn from the logs is that every request goes timeout. I ...
3
votes
1answer
22 views

Retaining recipient address when forwarding using postfix

I'm setting up postfix to forward e-mails sent to a domain to outside e-mail addresses. i.e. when I get an e-mail at philip@contoso.com it gets sent automatically to philip@example.com. That's working ...
61
votes
6answers
22k views

Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User?

This is a Canonical Question about Fighting Spam. Also related: How to stop people from using my domain to send spam? What are SPF records, and how do I configure them? There are ...
-1
votes
1answer
34 views

Forwarding emails to external domains - aliases vs mda sieve script?

There are 2 points in the flow of a incoming email where emails can be forwarded: As soon as aliases are expanded (setting the target email as alias target) As soon as mails are handed over to the ...
0
votes
0answers
40 views

Post Commit Hook with Email Notification Error SVN

I am configuring my SVN server to send an email when some one commit code to the repository. After some googling I am using bellow codes for post-commit. I would like to use gmail SMTP as a mail ...
0
votes
0answers
17 views

Microsoft Outlook MAPI Decoding

I want to capture Microsoft Outlook Desktop 2013 network traffic with a proxy (Squid). I do see the traffic, but the request and response bodies are not human readable, though I can read the request ...
3
votes
2answers
4k views

Is it possible to receive inbound emails using Mandrill?

I am using Mandrill mail server for sending emails to users and I have my own domain added to Mandrill to send out mails. Suppose I have configured Mandrill to use info@mydomain.com to send out emails ...
0
votes
1answer
33 views

Recover emails from Qmail

I installed Kloxo on a dedicated server (CentOS 5) a long time ago. Now I'm moving everything to another dedicated server with another control panel. I moved all the websites and databases, but not ...
0
votes
1answer
70 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 ...
5
votes
5answers
43k views

Postfix: Recipient address rejected: User unknown in local recipient table

When I try to send an email on my postfix server to an address on the same domain (for example, if the server hostname is mail.example.com and I try to send an email to test@example.com), I get the ...