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

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1answer
12 views

CNAME interfering with MX record?

I have got a free domain at Freenom, which I use to host my website, and to receive email. About a month ago, I used an A record to point [Blank] and www to the A record of my webhosting. I also had ...
0
votes
0answers
6 views

Recover emails from Qmail

I installed Kloxo on a dedicated server (CentOS 5) time long time ago, now I was moving everything to another dedicated server with another control panel. I moved all the websites and databases but ...
-3
votes
0answers
8 views

Exchange Server 2010 - External Email

I have added a new universal distribution group on our company Exchange server, but I cannot receive external mail, the sender gets a bounce back. I have already unchecked the mail flow settings ...
1
vote
0answers
13 views

OpenDKIM milter with Postfix

I just configured opendkim and postfix and it is supossed to be signing my emails but it doesn't. I used /usr/sbin/opendkim-testkey to test the keys and it seems to be ok with them but the mails I ...
0
votes
0answers
17 views

EXIM mail server bounced back

I have an Exim mail server(A). Server A can receive any email. Server A can send email to gmail but it can not send to other email servers B(QMAIL) and C(EXIM) servers. When sending email from A to B ...
2
votes
1answer
24 views

Forwarding incoming email for a single email to two Internal emails and one external email

Alright here is the scenario, and I apologize if this was posted somewhere as I could not find in other forums, I have an email address lets call support@example.com. The purpose of this email is so ...
2
votes
0answers
13 views

Extracting the date of the latest message from an mbox file

How would I go about extracting the "Date:" header for the latest received message in an mbox file? Note that it's not simply an issue of grep'ing for the latest occurrence of "^Date:", since it ...
1
vote
1answer
76 views

Asterisk (Trixbox CE) sound to low in message2email

Hy in Asterisk (Trixbox CE) latest version, we receive message to our email in WAV. But the sound it's too low. Where can I fix that?
0
votes
1answer
231 views

9GB of e-mails went away, disappearing emails from Trash folder [closed]

Centos 5.2 + Plesk 10.3 + Imap + Qmail *updated One of my e-mail accounts contains historical messages dating back to 2006. The account uses a total of about 9GB of space in 40,000 individual ...
31
votes
7answers
1k views

What would you do if you realized your email hosting provider could see your passwords?

We received an email last year from our hosting provider regarding one of our accounts- it had been compromised and used to deliver a rather generous helping of spam. Apparently, the user had reset ...
0
votes
2answers
30 views

Postfix spam abuse [duplicate]

I have a terrible problem, my joomla website is being abused to massively send spam. I have no clue on what is actually happening, but my postfix mail queue is constantly filled with thousands of spam ...
1
vote
1answer
33 views

mail command always pointing to root's file

I am trying to configure a postfix mail server. Mail for the root are accessible. But while checking the mail for non root users, I get the following error /var/spool/mail/root: Permission denied ...
1
vote
1answer
27 views

Exchange Autoreply for Ex-Employee

I've recently run into a problem where an employee had to leave quite suddenly and didn't have time to reassign or even note all of the cases they were working on, as a result I've decided the best ...
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votes
0answers
12 views

Sending Syslog information via Cron to specific user mail [on hold]

I would like to know how to create a Cron that scans the database every 2 minutes when it found severity's field equal to "critical", "error" or warning, it will send me an e-mail. thanks.
1
vote
2answers
1k views

UID uniqueness of IMAP mails

In our internal webmail system, we'd like to attach notes and contacts to certain mails. In order to do this, we have to keep track of every mail on our IMAP server. Unfortunately the IMAP standard ...
0
votes
4answers
2k views

When Exchange receives a message, send notification to another address

I have an internal Exchange 2010 server that receives no outside email and sends no email outside. I'd like to send a notification email to an outside email when a user receives a message on the ...
2
votes
2answers
394 views

Protecting Exim queue from spammers and hogging system resources

Is there a way to protect Exim from spammers? Today had someone sign up and spam the queue with a bunch of e-mails. I run CPanel and have it so Exim only allows so many per hour but the system hit a ...
-3
votes
2answers
44 views

How to install a Mail Server on your Windows Server [on hold]

I am looking to move my hosted site + email onto my Azure VPS (Windows Server 2012). I can migrate the site successfully using the @ A Name Record, but how would I go about the email? Do I need to ...
0
votes
1answer
4k views

linux ssmtp error Cannot open smtp.gmail.com:587

I can not route may emails vie gmail.com. I use ssmtp facility. My config files in /etc/ssmtp are root:yyyyy@gmail.com:smtp.gmail.com:587 maciek:yyyyy@gmail.com:smtp.gmail.com:587 and ssmtp.conf: ...
2
votes
1answer
52 views

Add a custom header to Postfix with the relayed domain

I've got a Postfix setup that allows relays only from certain domains. I accomplish this using the relay_domains flag in main.cf and it queries mysql to find the list of allowed domains. ...
-2
votes
0answers
30 views

mail works from webmail, outlook/thunderbird/macmail can't connect to smtp

So I'm on a digitalocean vps running Centos 6.5 and the vesta control panel. I've set up an email address jburnett@jamesburnett.com and everything works (send and receive) from webmail, however, no ...
0
votes
3answers
922 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 ...
0
votes
0answers
17 views

DNS records for mail server [duplicate]

I've been toying with an old box I've got at home and decided it might be fun to set up a mail server. It's running a lightweight debian distro, postfix, and dovecot, along side a web server, PHP, ...
0
votes
1answer
32 views

Unable to resolve IP Blacklisting with Spamhaus

I have a website which is currently assigned an IP 64.XXX etc from my hosting provider. This IP when looked up comes up clean with all Blacklist checks that I run. However, I am also being assigned an ...
3
votes
1answer
3k views

Couldn't drop privileges: User is missing UID (see mail_uid setting)

I'm hoping I can use some help. I'm configuring dovecot_ldap, but I can't seem to be able to get dovecot to authenticate the ldap user. Below is my config and log info: hosts = 192.168.128.45:3268 ...
0
votes
2answers
1k views

PHPMailer email goes to spam, Outlook email doesn't

I'm sending out emails using PHPMailer through an SMTP server that I control, and I have DKIM and SPF set up and working properly, however, when I send a test email to my gmail account it goes to the ...
1
vote
0answers
201 views

Rejected emails when sending from google apps to some domains (550 Unrouteable address/Sender verify failed)

i'm sending emails from my domain prokubo.com using google apps and i'm having returned emails at least when sendind to two different domains: Delivery to the following recipient failed permanently: ...
0
votes
1answer
965 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 ...
0
votes
2answers
319 views

Generic sql query email alert program

Has anyone ever ran across a program that in a generic manner will execute a sql query and then based on criteria email out alerts. Going to create such a framework but don't want to re create the ...
2
votes
1answer
28 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 (v4.4 but I think this is universal ...
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 ...
0
votes
1answer
902 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
votes
1answer
39 views

PTR Record for Mail Server

Our email server is setup for Domain POP/ Mail Bagging with our ISP for receiving only. Our MX Record resolves to our ISP mail host address. We have 2 IP addresses (redundancy purpose), 1 from our ...
1
vote
1answer
7 views

Delete user from Sympa mailing list

So I have been trying to remove a user from one of our Sympa mailing lists, and can't for the life of me get it to stick. I have deleted the entry for the user under ...
2
votes
1answer
13 views

How are display names determined for mail that comes from outside Exchange?

I've found lots of articles explaining how Exchange gets display names out of LDAP, etc., but not a lot about what it does when mail isn't coming from within the Exchange environment. When we've sent ...
2
votes
3answers
270 views

cron job sending emails in a wrong charset

I have following command in a cronjob: */5 * * * * php /var/www/domain/yii rss/parse It outputs email in a wrong charset: Content-Type: text/plain; charset=ANSI_X3.4-1968 But when i launch that ...
0
votes
1answer
1k 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 ...
0
votes
1answer
937 views

defer (111): Connection refused when trying to send mail

I am getting desperate for answers. The problem is simple, some email messages are getting stuck in our queue and hitting their retry limits, which ultimately end up in a never end deliverable bounce ...
1
vote
1answer
231 views

Postfix: Duplicate addresses in alias_maps, does the order matter?

We have a Postfix server. There are multiple alias databases, as defined in the alias_maps parameter: alias_maps = hash:/etc/mail/aliases,hash:/data/mail/aliases,hash:/usr/local/mailman/data/aliases, ...
2
votes
3answers
1k views

Block all outbound Email on Linux Server running sendmail while allowing incoming mail to still work

I have a server "CentOS 5" I would like to block all outgoing mail temporarily. Server is using sendmail. Preferably using iptables if applicable. I still need email to come into the machine tho if ...
2
votes
3answers
100 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. ...
-3
votes
1answer
27 views

postfix From address rewriting

I have postfix version 2.7 running with multi-domain MySQL support. I have created distribution/Aliases for support@example.com which distribute email to user1, user2... etc.. my requirement is when ...
4
votes
1answer
169 views

Can a backup mx server be configured to reject email submissions if it can connect to the primary mx?

I know that one technique spammers may use is to send spam to a secondary mail server, since those servers tend to be less powerful and may not have all the spam filtering that the primary has. Can I ...
1
vote
1answer
56 views

Minimal setting of Exim from Debian 8.0 “Jessie” to work out-of-the-box for receiving mail

I am looking for a simple advice what should be essentially (minimally) done to make a default Debian 8 Jessie's exim4-daemon-heavy installation to actually receive any mail. Speaking of essential ...
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votes
0answers
27 views

One domain serving mail and web server on two different machines [closed]

So I have this use case: I have a remote machine (dedicated) running ubuntu, I also have remote hosting where I have access to mail server. I own a domain example.com. I need to deploy an ...
2
votes
2answers
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), ...
2
votes
1answer
113 views

Receiving empty mails from three different Windows PC's since 12 January, 2015

Problem Unexpected empty emails are sent by an unknown source since 12 January, 2015. Attempts to solve the issue they are all from company where I do network/sys support they are all from Windows ...
0
votes
1answer
62 views

POP3 and IMAP: Setup Gmail & Zoho

I wish to use Gmail to handle all of my email needs. Sending, reading, deleting, moving, forwarding etc.. I have a domain with an email at Zoho user@mydomain.com, this is working well. I've always ...
1
vote
2answers
1k views

How to reject email sent to root@mydomain.tld from external sources in postfix

I have a postfix mail server correctly configured (I hope) and running on openSUSE 11.3. I can send email to local users from any location, but this also means that I (or anyone else) can send remote ...
0
votes
1answer
19 views

osTicket emails show as sent from wrong address

I'm currently trying to configure osTicket to act as our support system. Everything seems to be working pretty much as expected. However when an email sent by the system is received, instead of ...