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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1answer
18 views

opendkim to sign all '*' users in a domain

How do you get opendkim to sign for all users in a domain? *@exmailer.com exmailmap in the signing table is not working for me. error: opendkim[1565]: 573D4A0D3D: no signing table match for ...
3
votes
0answers
19 views

Roundcube sends e-mails without subject

I have recently set up a mail server that consists of postfix and dovecot. Yesterday I added nginx and roundcube to the mix. SPF, DKIM, DMARC, rDNS records are all done. Gmail treats my mail as valid ...
2
votes
0answers
23 views

generating public/private credentials for MS Outlook email encryption

An app running on a CentOS 7 web server needs to receive encrypted emails sent from users of MS Outlook. Can someone please provide explicit instructions as to how I can generate or procure all of ...
0
votes
1answer
26 views

CentOS email setup for Wordpress

I am moving an old Wordpress install to a new CentOS LEMP stack VPS. I want to set up email for the new VPS. It came with sendmail installed by default but I find it to be overkill. I just need a ...
0
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0answers
6 views

Re-routing packets back inside the network on a SonicWall firewall

I have two wireless networks, one guest network which uses a 10.0.0.0 network to assign IP address to guests and one internal one who gets the IP address from the internal DHCP (let's say ...
1
vote
0answers
10 views

How to route select e-mails from Office 365 to another SMTP Server

I have set up an SAP system to act as an SMTP server on port 25000. The company uses Office 365 as its email provider. Is it possible to route/forward e-mails that are delivered to a specific e-mail ...
-2
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0answers
16 views

Online mail server settings checking service [on hold]

I want check my mail server for many settings (MX, PTR, A, dkim, spf, OpenRelay, valid HELO, RBL status and more and more..) i recieve mail to checkme@check_my_server.tld and get reply with detail ...
0
votes
0answers
12 views

Blacklist mail server [duplicate]

I have checked my IP in all spam lookup sites. those sites are DNSBL.info, spamhaus.org, barracudacentral.org, spamcop.net, blacklistalert.org and all of it says that I am clear. But when I checked it ...
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votes
2answers
45 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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0answers
17 views

How to flag email rated with negative Spam score as actual Spam?

I'm being inundated with spam email, seemingly overnight. 200+ messages a day, easily. After looking at the headers, the majority of the messages have spam score numbers in the negative range. ...
-2
votes
1answer
39 views

Individual accounts being spammed on server, even though DNS not hosted [on hold]

Disclaimer: Please pardon the newbery! I've got a dedicated linux server from HostGator that has around 100 accounts on it. Lately, dozens of these accounts get bombarded with junk mail a few times a ...
0
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1answer
7 views

Exchange mail flow rules for signatures

I've recently implemented an html signature using transport rules in exchange 2013, that appends given signature as a disclaimer to all emails from a given sender domain. The problem is that the ...
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0answers
6 views

Google Apps for business ALL bcc

I did not get an answer from Google Apps team. Hence asking here. Like in Postfix we have an All BCC email option where every email sent and received of a domain will be BCCd to an email id, can we ...
1
vote
1answer
26 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 ...
-4
votes
0answers
15 views

Unable to hide sent email headers using postfix [on hold]

The guide I followed is here: https://major.io/2013/04/14/remove-sensitive-information-from-email-headers-with-postfix/ No matter what I do I cannot manage to hide specific headers, most importantly ...
-1
votes
0answers
11 views

Save emails to eml files on Exim server

I want to store emails received to an Exim mail server as .eml files. Is that possible? The goal of this is to allow users to download received emails from a web page.
-1
votes
0answers
17 views

Mail services disabled but server still sends spam [duplicate]

A domain on my host was sending spam e-mails. It was an outdated joomla version and there were everywhere in their web directories php bot spam scripts. From my side I disabled the php's mail() ...
0
votes
2answers
30 views

I am able to receive mails but unable to send via my SMTP server?

I have a shared hosting server from hostgator, in which I created an email 'support@mydomain.com'. Then I enabled both DKIM and SPF (as I read on a few threads that SPF should be enabled to ensure a ...
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0answers
13 views

Server solution that handles user payment notifications, product key generation and key validation [on hold]

We have a product that is downloadable for free but requires an ID and key (and an Internet connection) to unlock in full. Procedure: users pay with PayPal and an Instant Payment Notification (IPN) ...
-4
votes
0answers
19 views

How do virtual users on a email server work? [closed]

I have setup a email server with Postfix and dovecot (samhobbs.co.uk) this worked! I alle tried something like 20 times to build a email server with virtual users, they all failed. Is there a way ...
2
votes
2answers
33 views

PHP emails, Postfix and Message Queue

I've been running a web platform that needs to send a considerable amount of emails daily. At the implementation date I and my partner decided to setup Postfix on the server and use Swift Mailer class ...
0
votes
1answer
35 views

Can't login via IMAP after creating user via useradd command

I'm trying to create a new user (that can access email) with useradd. My command is useradd --shell /bin/bash --create-home --password <password> <username> However, I cannot login to ...
-2
votes
1answer
32 views

Postfix POP3 NOQUEUE: reject: RCPT error

I am getting an NOQUEUE: reject: RCPT error when trying to send mail via POP3 and Postfix (note: IMAP works fine). Feb 21 06:57:04 r2d2 dovecot: pop3(br@telecomm.com): Disconnected: Logged out ...
1
vote
2answers
57 views

Can't connect with telnet from external ip

I have a postfix server running on a kimsufi VPS, i installed roundcube on it, and everything is ok. The problem is, when i try to connect from another server, i have a timeout : telnet whys.fr 25 ...
5
votes
1answer
84 views

Postfix stops picking up mails at night

Our postfix system stops sending mails at night. Every night at 2am it stops picking up mails. The server is a monitoring server, which sends a lot of mails per day. /bin/mail drops the mails in the ...
1
vote
1answer
25 views

Postfix using virtual.db file instead of mysql table

I have specified virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf, but still I got errors like warning: hash:/etc/postfix/virtual is unavailable. open database ...
0
votes
1answer
30 views

How can I configure a Haraka mail server to forward mails to another address on another domain?

I'd like to setup an Haraka mail server on a domain (let's say 'example.com') that will only act as a forwarding service to a 'gmail.com' email address. For the sake of the example let's say I'd like ...
0
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0answers
11 views

When using an “Internal Relay Domain” as an Accepted Domain, what email addresses must be synched?

There are a number of SMTP addresses associated with a user in Exchange SMTP, X500, X400, etc. In addition there is a LegacyDN. Some of these email addresses are stored in the NK2 files and also in ...
0
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1answer
20 views

What happens to local email when user does not exist

I'm running a server with postfix to handle email sent from a php website. Email for the domain is handled by another server, however due to the fact that this domain name has been entered in ...
-3
votes
0answers
17 views

452 Too many recipients received this hour. Connections from this sending hostname Unknown [duplicate]

I'm getting below error, when I'm trying to send email to multiple recipient or trying to send more than 2-3 emails. 452 Too many recipients received this hour. Connections from this sending hostname ...
0
votes
2answers
36 views

mx server: multiple domains on one ip

I'm just a bit confused about the correct DNS setup for hosting multiple domains on a single server with one ip. For example the mail server (domain/reverse: example.com) should host 3 domains: ...
0
votes
1answer
51 views

SPF records when sending multi-domain emails from one host

We have a CMS system in which multiple customers run their websites from a single virtual machine. Pages generated by the CMS allow forms to be filled in, which trigger emails to be sent. I am having ...
-1
votes
0answers
12 views

Recover Email Password in DirectAdmin [closed]

I lost my email password in DirectAdmin , How can i Recover Email Password without resetting that account . I have Admin access and privilege to DirectAdmin Panel. Thanks
0
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0answers
17 views

Exim4 can not send mails via mail client

I'm using Exim4 as my smtp server, in my case, I can send e-mails to any mail accounts from my smtp server, but when I tried to use Thunderbird to send mails, it shows the following error. Sending of ...
-3
votes
0answers
31 views

postfix outbound emails getting deferred

All outbound emails to yahoo and gmail exit the server but never get delivered. All emails get 'deferred'. I can see yahoo and gmail hitting my database via query logging in MySQL -> ...
-1
votes
1answer
35 views

change Domain MX

I have a windows server and I set my domain name servers to this server. now I want send email from another server, really my web application and mail server aren't on a same server. the mail server ...
1
vote
1answer
58 views

com.sun.mail.iap.protocolexception no login methods supported

A JavaMail app and dovecot/postfix/mutt are running on the same CentOS 7 physical serverbox. This JavaMail app was able to reliably import emails via IMAP using the same exact code until some changes ...
0
votes
1answer
36 views

Gmail filter with forward goes to spam

Google Filters with Forwards go to spam I will describe my current email system setup. I am running a Centos based VPS from linode. I have ZPanel installed. And up until last Friday, everything ...
1
vote
1answer
31 views

postfix | sender_bcc_maps for specific emails (with attach)

How, if possible, copy all incoming mail with attachments to mybackup@example.net If I use sender_bcc_map = type:table - all mails will be copied, without attachments too. I do not need that, I just ...
0
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0answers
15 views

Trying to decrypt S/MIME file using Openssl [migrated]

I am openssl Newibe. I am trying to write a python script (calling openssl) to decrypt multiple p12 encrypted eml files but failing. I can open them up in Thunderbird fine. here is what i tried: ...
-1
votes
0answers
25 views

Cant send or receive emails with my postfix server [duplicate]

I have a Server with a domain (luckygamer.me). I want to send emails to my users, and I have tested with yahoo and gmail. Sending to yahoo is OK, but gmail don't receives my messages. Also, when I ...
3
votes
0answers
48 views

Why Outlook, Hotmail and Live return 250 Mail queued for delivery, but they never deliver it?

Ok, i've been seeing this the last week, tought it could be gone in a few days by itself, since i wasn't blacklisted and my DNS entries are all ok, but when i try to send e-mails to some user at ...
1
vote
1answer
43 views

How to change mailx?

I am having a problem in my VMs. I used the same template (Debian 7min) in OpenVZ, but for whatever reason those two are using a different mailx. I have a small script which I use to send ...
4
votes
1answer
954 views

amavis cronjob throwing an error out of nowhere

Can someone explain why amavis cronjob is suddenly trowing the following error? Cron <amavis@bee> test -e /usr/sbin/amavisd-new-cronjob && /usr/sbin/amavisd-new-cronjob sa-sync rules: ...
-1
votes
0answers
22 views

Exim - send e-mails in the queue that are for one recipient in correct order (FIFO)

Imagine this scenario: send mail 1 to someone@email.com --> server unavailable, message queued send mail 2 to someone@email.com --> server unavailable, message queued send mail 3 to ...
0
votes
1answer
25 views

Email Virus initiating a DOS Attack [duplicate]

I have a VPS that keeps getting shut down because of excessive inbound or outbound traffic. I thought I had a virus on my server and with it shut down so was my email server. So I got a new VPS ...
-1
votes
0answers
33 views

Postfix cannot receive email from external domain

I know this question has been asked umpteen times, but after lot of research, it did not solve my problem, so I thought of posting it. I've installed postfix on a server. I use ssh to log into the ...
-2
votes
1answer
72 views

How can I avoid being classified as spammer when I forward mail to a gmail account? [duplicate]

Update: The link pointed to by the "duplicate" initially didn't seem like the same problem to me, because the post talked about blacklisted "domains" not blacklisted "IP addresses." However the main ...
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votes
2answers
43 views

Postfix - How to prevent external clients from using my server as a relay? [closed]

I have a postfix server installed on Ubuntu 14.04. A PHP script running on the machine uses it to send outgoing email. Additionally, I use postfix to receive mail sent to a local account, which is ...
0
votes
2answers
50 views

Missing /var/log/mail.log (after deleting it) - How do I recreate it?

To clear the mail log I deleted /var/log/mail.log and /var/log/mail.err. Now it seems like I've broken something as the files are not recreated as I interact with mail: kidmose@radagast:~$ echo ...