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

learn more… | top users | synonyms (1)

0
votes
0answers
11 views

Outgoing SPAM Protection for vps

We are providing VPS servers (both openvz and kvm) on Proxmox VE cluster. Recently, we have attracted a large number of spammers. While we manage to block the openvz ones by monitoring the number of ...
1
vote
1answer
64 views

GMail moves Exim4 emails into Spam

I am trying to setup email transfer to GMail. This bash command in OS Debian: echo "aaa" | mailx -r "xxxxx@xxxxx.xxx" -s"sdf" xxxxx.xxxxxxx@gmail.com But all of my messages GMail moves into Spam. ...
0
votes
1answer
12 views

Postfix rejecting inbound mail to virtual mailboxes

I followed this tutorial to setup an email server that uses virtual users. https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/ I am ...
0
votes
1answer
25 views

bind9.10 dnssec inline signing failing

I am pretty sure the ultimate error is this: [\u@r2d2:/home/ex-mailer-domains/domain.com] # dig domain.com +dnssec @8.8.8.8 ; <<>> DiG 9.10.3 <<>> domain.com +dnssec @8.8.8.8 ...
3
votes
2answers
27 views

Are Windows internal CA-issued certificates compatible with Mac clients?

I am looking into deploying an internal CA to replace the GlobalSign certificates we use for our internal email encryption: Internal CA would be set up using ADCS in a two-tier hierarchy, no other ...
0
votes
0answers
19 views

postfix whitelist all incoming mail with a specific domain destination

Would it be possible to whitelist all incoming mails with a specific recipient domain. I have multiple domains running on my mailserver. I want to simply push thru all the incoming mails with a ...
0
votes
0answers
16 views

Blacklist server [duplicate]

I have a problem with one blacklist server: Subject: Undelivered Mail Returned to Sender This is the mail system at host xx.xxxxx.sk. I'm sorry to have to inform you that your message ...
0
votes
0answers
42 views

Unable to use Exim with Exchange/Office 365 - Smart Host

I have been struggling with getting Exim and Office 365 to play nice together and am hoping for some insight. Here's my setup: All mail for domain.com gets sent to my Office 365 Exchange server, it ...
3
votes
2answers
147 views

Moving to Exchange 2016 while keeping Exchange 2010 as primary relay

Here's our current setup: - Firewall with SMTP proxy, scans incoming/outgoing mail and forwards to Exchange2010 server - Internal Exchange 2010 server (SP3 RU11), running Sophos PureMessage as ...
2
votes
1answer
56 views

Emails are being delivered as spam to Gmail? [duplicate]

for the last 6 weeks (yes, that long) I've been struggling to successfully deliver emails to Gmail accounts. For some reason, every single email that is sent from our domain is flagged as spam by ...
-2
votes
1answer
49 views

Sendmail works fine but PHP is unable to use that

I have a problem sending mail with PHP on a LAMP (redhat 7 server). I have configured sendmail, with which I am able to send email using the following: $ sendmail toemail@something.com <press ...
1
vote
0answers
90 views

Outlook.com rejects: 550 SC-001 (BAY004-MC5F13)

I am operating a cluster of 3 dedicated machines for a webapp, each of those uses sendmail as MTA. Hostnames are node1.domain.com node2.domain.com node3.domain.com Unfortunatelly outlook.com rejects ...
0
votes
1answer
22 views

What informations can be retrieved about a mail that was not delivered?

During the migration from our old mail server to Zimbra 8.6, we created a number of Distribution Lists, however, for some reason (our fault probably), one of those list which was supposed to hold 4 ...
0
votes
1answer
22 views

Host for Dedicated Box blocks Port 25, can I still email directly off the server using Port 26?

I have a server that I want to send email off of directly. Host is blocking Port 25. They have told me to go to WHM -> Service manager -> exim on another port (Set to 26) Is this actually a solution? ...
-1
votes
1answer
44 views

DKIM signature and domainkeys failing [closed]

I'm trying to setup DKIM for my server but there seems to be some problem with the DNS. I am using a windows server and plesk for the administration, my mail server is MailEnable standard and for my ...
0
votes
1answer
63 views

Graylog How do I include message data in alert email?

I am having trouble adding relevant information to the alert emails sent from Graylog. I would like to include the actual log message that generated the email alert in the actual email alert. I am ...
1
vote
1answer
21 views

Email forwarding issue

I have a website at classicalmusiccity.com. We have emails tied to that domain that forward to a gmail account. Everything has been fine and dandy until a couple days ago. No one can send an email to ...
0
votes
0answers
9 views

cPanel - Cant send mail [closed]

I am in the process of setting up a VPS for the first time. I am currently trying to setup mail accounts on the server, but I have stumbled into some problems. When accessing the mail account through ...
1
vote
1answer
40 views

It's OK to only have SMTP for server-to-server communication?

I'm configuring an antispam appliance to filter mail traffic coming to our Exchange server. The flow will be something like this: ...
0
votes
0answers
30 views

ispconfig can't redirect mail to a gmail account due “Connection timed out”

I'm running ispconfig with the next configuration: Servidor: (Ubuntu 14.04.2 LTS (Trusty Tahr)) ISPConfig 3.0.5.4p5 I'm redirecting mail to a gmail account with the command: redirect ...
0
votes
1answer
24 views

munin - critical item mailqueue

I have just installed a new Debian Jessie server.. In munin monitoring there is 1 critical item: Mailqueue What is that? Haven't installed any mail service/server
0
votes
3answers
33 views

How can I stop ingress spoofed email to my company

I am receiving spoofed emails to my private company address, for example from HP, IBM, RSA and ISACA, but these are not actually from those companies. How can I stop these kind of emails coming into ...
0
votes
1answer
28 views

iRedAdmin SMTP sending error

Recently i installed iredadmin on Debian. Then i tried to send mail using laravel framework with SMTP settings, but i cant get the email. This is my mail error log: Nov 26 10:19:43 server ...
-1
votes
1answer
20 views

Exchange Server - automatically change an address from the To field to the BCC

We have an ALL distribution list (DL), which obviously includes all of our users. Sometimes, when someone is sending an email to ALL, a thread begins which includes the ALL DL. We don't like it. W'd ...
1
vote
0answers
17 views

Setting DKIM and SPF records for client domains

I have created an email server that is capable of handling mail for multiple websites. e.g. tom@website1.com, tom@website2.com etc. The emails are sending and receiving fine, but the spam score is ...
0
votes
0answers
14 views

Email piping giving a php error

I'm getting a php error when sending an email to a piped address which runs to a support ticket system. The ticket get's opened fine, but there is a bounce email that is also sent to the sender (get ...
1
vote
1answer
74 views

sending emails fails with gmail only

My debian server sends email to yahoo, hotmail but not to gmail ! tail /etc/log/mail.log 95.211.117.206], dsn=4.0.0, stat=Deferred: Connection timed out with 75gmail.com. Nov 23 23:07:52 sitechat ...
0
votes
2answers
52 views

Multiple MX or Round-Robin A Record

Which is Better, and Why? There are 2 inbound mail filters, they are in a cluster with equal hardware specs and can handle the same load. This is a new configuration and I would like to know which ...
0
votes
1answer
29 views

How to troubleshoot emails from some hosts not being received without error messages

I am trying to troubleshoot the server I mantain. It is a Centos 6.6 with Plesk 12.0.18, it uses Qmail and Courier as email services from what I can see. Now in general all emails work succesfully ...
0
votes
0answers
24 views

How to send a lot of emails without tripping the alarms

I need to send couple of thousand emails at once, all addresses are existing users of one domain. I was wondering if that would not cause receiving server to cry 'Spam!' at the sight of so many ...
0
votes
1answer
51 views

Postfix Server for Mass Mailing on Multiple Domains

I'm currently setting up a mail server for mass mailing on a non-profit. I decided to go with Postfix since I had some experience with the configuration. However my experience was for multi domain ...
0
votes
1answer
46 views

Format for/creation of PTR and SPF records?

Let's say that I have a server that resides at Linode that I use for my business, mybusiness.com. It has an IP Address of 1.2.3.4, and an A record of myserver.mybusiness.com. I own the domain name ...
-3
votes
3answers
53 views

FCrDNS With Separate Host and Mail Server

I have an "A" record on my DNS which points to an IP, specifically the IP my website is hosted on. I use a separate IP for my email server. This causes my emails to fail the Forward Confirmed Reverse ...
10
votes
2answers
454 views

crontab sends month-old emails

ubuntu 14.04 Mailserver: Postfix root receives dozen of emails from crontab. These mails contain PHP warnings. I've fixed the cause for these warnings. I've fixed every cronjobs to not send emails ...
-3
votes
1answer
28 views

Email Exchange and Cloudflare [closed]

i would like to offer Mail Accounts without giving the real server Adress to the public (I'm using Cloudflare). Currently i use a e-mail-Relay to send messages, the harder problem is to receive ...
1
vote
0answers
42 views

Postfix cannot start but dovecot is ok

My postfix service cannot start. Here is message: Job for postfix.service failed. See 'systemctl status postfix.service' and 'journalctl -xn' for details. And here is service status: ...
1
vote
1answer
34 views

Strange e-mail behavior in powershell

I'm adding a new powershell piece into my user creation, which is to e-mail their supervisor with an alert that they have been created. However, for some reason, it sends the credentials to the next ...
0
votes
1answer
48 views

Email Authentication Report (Scoring neutral)

I'm having some trouble trying to get my company emails to return a better score from Port25s authentication verifier service. I'm scoring neutral on most of the results. I've included the report ...
0
votes
0answers
7 views

How to setup a round robin mailer? [duplicate]

I need to send like 50,000 per week for my registered optin clients. (This is absolutely no spam) However 1 of major french internet access did block my IP for 24/48 hours. What would be the good ...
-2
votes
1answer
196 views

Sending emails via django does not work on Gunicorn / NGinx`

I am trying to send an email from my django application. However, this does not work on my NGINX (used for static resources) + GUNICORN Server. But, the same works on django's default webserver. I ...
-2
votes
1answer
27 views

Creating subfolder for sendmail user [closed]

We use sendmail for automated email alerts such as info@compnayname.com or alerts@companyname.com. It's a simple sendmail configuration where these emails are created and then an alias is used to ...
2
votes
2answers
98 views

Secure Email for Hosted Website?

A friend of mine has been running a small non-profit agency for some years now that assists refugees (shelter, food, medical supplies) displaced by war. Due to current events she has asked me if she ...
-1
votes
2answers
42 views

could i have feed back message if my email were delivered or not?

i am sending emails to a subscribers list , i am making tests on my email account there is some ips that doesn't deliver an email neither to inbox nor junk folder ? how can i know if my messages were ...
4
votes
2answers
45 views

Is it OK to run my own mail server for email forwarding? [closed]

A lot of people advise against running your own mail server; they recommend using a SAS that is more experienced in this area (Google Apps Gmail, AWS WorkMail, etc). I want to run Postfix MTA to ...
-1
votes
1answer
14 views

Mail aliases from SQL DB not working, but recipients from SQL DB *are*

I am using Postfix 3.0.2, Dovecot 2.2.18, and MariaDB 10.0.21. Postfix/Dovecot are receiving mail for *@mydomain.com and *@anotherdomain.com (i.e. the MX for both domains are set to this server.) I'm ...
2
votes
2answers
55 views

Is it a good idea to reduce the give-up time for e-mail delivery?

We run an e-mail server for a few customers, and we've recently run into a bit of a conundrum. We had a user who sent an e-mail to an incorrect e-mail address. The incorrectly specified domain ...
-1
votes
1answer
72 views

Telnet test pop3

I have problem with using POP3 to recieve e-mail from my VPS. In Mail app I'm getting message, that connection failed and I should check login and e-mail anyway, it's good. I try to check it via ...
1
vote
0answers
63 views

delay on forwarding to exchange server

Our organisation hold emails on shared hosting. But some of them are forwarded to another provider to exchange server. For some reason we start getting delay on emails forwarded to exchange server. I ...
3
votes
3answers
111 views

cron: send email to different address in case of failure

I've a cronjob like this: MAILTO=mymail@mydomain.com 30 00 * * * root /run/this/script.sh is there a way to tell cron to send mail to different mail addresses based on exit code? I mean, can cron ...
1
vote
1answer
70 views

How can I use Exim4 to forward email for root to another email address?

I am trying to forward system email (from apt, cron, etc.) addressed to "root" to my personal email address using a smarthost. I am using Debian 9. First, I ran sudo dpkg-reconfigure exim4-config. ...