Questions tagged [mail-server]
The mail-server tag has no usage guidance.
97
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Undelivered Mail Returned to Sender error
I have a project which has made with node-js and express js when I send email from postadmin panel few moments later send me below message
I'm sorry to have to inform you that your message could not ...
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58
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OpenSSL connection to an imap server over explicit port works, but fails on implicit port
I have a mail server to which I'm connecting from a ruby application using protocol IMAP.
But I get an error in rails console:
Loading dev environment (Rails 7.0.4)
irb(main):001:0> @connection = ...
- 111
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53
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Forward outgoing mails to another port on home PC then to VPS and send it through VPS port 25
Hi I recently noticed it seemed my home ISP had banned me from sending through port 25 (I could send mails when my mail server just launched though). I tried to telnet to services like smtp.gmail.com ...
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212
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Possible to configure my VPS as a proxy of mail sent by another mail server?
I have a NAS which deployed with a full-featured mail server, but I cannot send mail to most of the other mailboxes because its IP is always blocked from sending mail, and the mail sent will be ...
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1
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492
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Postfix and Dovecot Virtual Mailboxes
I have been setting up a home mail server on my Raspberry Pi using Dovecot and Postfix. This is all very new to me, and I've struggled my way through.
Now I'm on to trying to setup virtual mailboxes, ...
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1
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38
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Certbot won't generate ssl for my mail-prefixed domains
I recently developed my first full-stack website, and I attempted to get it out there with a vps. My problem is, I can't seem to generate an ssl certificate for one of my domains. The www.website_name....
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2
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4k
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Running a Home Mail Server - What steps can I take to perform diagnostics?
I have been wanting to run my own mailserver at home for some time now. I don't necessarily absolutely need such a thing but it would be very useful to have as I am working running my own business now ...
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42
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Resolving DNS & MX Records
I am new to the community and I really need your assistance to resolve some complicated issues with DNS/MX Records.
My client's website is designed and hosted in Wix with mydomain.com and pointing to ...
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1
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289
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Unclear about postfix and hostname in ubuntu
I need to preface this by saying I am in no means an expert with linux or servers. I have a digitalocean droplet that I am using as a webserver for a couple of domains. I am looking to implement a ...
- 113
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2
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273
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"This email is from an external mail server etc." <- can I get rid of this?
On many (but not all) of my incoming email messages, I see a message saying:
This email is from an external mail server, be judicious when opening attachments or link
My mail server is - ...
- 8,457
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104
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How does a mail user agent know the name of the sender, if the email address does not contain the user's name
I received an email, and the sender's name is User X, but the email address is noreply@example.com.
How is this possible? Are there any extra information that is sent in an email?
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Transferring a working system drive from a linux server to new metal
I have a single drive linux mail server. I recently purchased a new server, can I move the hard-drive from the old system to the new machine and bootup? Since the kernel adds drivers during bootup, ...
- 11
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263
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Multiple passwords for mail accounts used by multiple users?
Are there any mail servers that allow multiple users to access the same mail account, but each of the users with their own, specific password?
The goal is that access to a shared mail account can be ...
- 414
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Proxmox Mail Gateway 6.0-4 free not quarantining spam
I installed Proxmox Mail Gateway 6.0-4 free as an antispam server for a mail server. It works fine, but except one thing. In the Proxmox Mail Gateway has an option Spam Quarantine. It is empty. I do ...
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580
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Postfix setup for Raspberry Pi 3B+ (non-dedicated mail server, fantasy FQDN)
Problem: Create a contact form that lets users of a website submit messages that are sent to an email. Use php's mail() and Postfix. Having trouble using/understanding Postfix? The setup must be ...
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How to upgrade the Exim to version “4.92” on Ubuntu 18.04 server?
A critical vulnerability (CVE-2019-10149) was found in Exim mail server. It allows to execute some code on victim's server with root privileges. This vulnerability affects versions from 4.87 to 4.91.
...
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Guarantee email deliverability
We are using Zoho Mail in our company and so far the experience was great. But recently we have faced an issue of not getting our emails delivered to the new company we are now working with. One of ...
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23
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Multiple mailservers
I am trying to find out if I am attempting the impossible.
I have
List item
1 IP on 1 cloud server
4 x Domains that I receive mail for
4 x SSL certificates
I would like them all on one server.
...
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2
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9k
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How to setup synology mailserver for outlook
I have installed the Synology Mailserver (not MailPlus) and would like to receive mails using IMAP.
I've created the following DNS records
sinnema.me NS ns1.isource.nl
sinnema.me NS ...
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680
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Error during creation of new mail system for MailPlus on Synology
I'm trying to install MailPlus Server on my Synology NAS but constantly get an error during setup. I can't find anything in logs etc. so it's a blackbox failing. In earlier tries it mentioned ...
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1
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147
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Looking for strict local mail server (no email sending and receving from outside world)
I am looking for a mail solution (or server) that work only inside an office and only employees inside the office can send and receive the email from each other. I don't want the employee to send ...
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41
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external mail server desn't receive email to self domain
I have an external mail server that I use and works just fine. I have a website on another server with a php contact form that sends email to my own domain. The problem is that the server takes that ...
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516
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How can I set up a DKIM DNS Record?
I currently run a website, hosted on a VPS. The software is Plesk.
I have already setup an SPF Record and a DMARC Record, via the DNS Settings. I am a little stuck on how to set up a DKIM Record.
...
- 217
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352
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Can I send emails to two different email clients from one mail server?
I currently have the Thunderbird email client on my Mac, which my business email goes to. Is there anyway of sending mail from my mail server to Office365 as well as Thunderbird?
I'm not talking about ...
- 111
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283
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Can we point MX records of a domain to IP?
I had a domain registered under go daddy with shared hosting and I want my mail server in a linode. Is changing my mx records to my Linode IP is sufficient or is there anything i need to add ? I want ...
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1k
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Dovecot's grace_quota is not working
My mail server is working on:
Postfix 3.1
Dovecot 2.2.22
MySQL 5.7
Ubuntu 16.04
I configured for each user's quota to be read from the mail database users table from the column quota:
dovecot-...
- 135
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1
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62
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Does installing Sendmail(using apt install) allow my computer to act as an email server?
I am new to networking and have installed sendmail to allow me to send mail via mutt. I wanted to know if by doing this I have allowed my computer to act as an email server, or if the sendmail ...
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1k
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What does it mean when I ping an IP from the terminal
I am trying to ping an IP from our machine but I am getting 100% packet loss when I do this for particular domain - cox.net
for example -
ping -I 199.106.175.128 gmail.com
PING gmail.com (216.58.214....
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319
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cannot ssh to server as I install poste.io on OVH dedicated server
I want to install poste.io with docker on my server . Poste.io & Docker installed without problem and running fine but when my connection dropped and I try ssh to server again, my connection will ...
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586
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My mail server seems to be sending out spam and I am trying to find the cause
I have a mail server hosted with amazon aws.
I setup the server on Ubuntu 14.04 with postfix & dovecot.
I keep getting emails from mail delivery system saying mails are returned to sender that I ...
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50
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newsletter mailservers - how to avoid blocklists?
I am working for a small company and we are sending out newsletter-emails to our customers like every 3 months. That are about 2000 emails every time.
we are using our own (old access & outlook) ...
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682
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Mail server Dns configuration
this is my question:
I'm italian, i'have a local mail server and my new adsl company block 110 and 25 ports !!!
I routed blocked ports from a VPS to my server by a VPN trunk without problems, but i ...
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62
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Sending Email Directly From A Mail Server Terminal, How To Manually Specify Source IP?
Trying to send an email to my gmail account via the command line.
I can issue the following command in terminal
mail -v -s "test" xxxxx@gmail.com -- -f ooooo@mydomain.com
The problem is, the ...
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Is it possible to tell Postfix to keep full emails for (e.g.) a week after they are sent?
Our mail server was recently blacklisted because a web server was infected with a spamming virus. We discovered and blocked the guilty sender only after we started inspecting the message bodies of ...
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1k
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Can I have different sessions with different servers for the same service?
As already known that one domain can have multiple IPs with multiple servers. So if I open for example my Yahoo account, then I'll have a session with one of Yahoo servers.
My question: if like after ...
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936
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Can't send or receive mails with Mdaemon
I have a Windows Server 2008 R2 with Mdaemon(v 10) installed. until today I have been unable to send or receive emails from/to any of provider such as yahoo, gmail, outlook, exchange...
I have tried ...
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1
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151
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Run small mail server using a second domain instead of dynamic ip hostname service
How do I use a second domain instead of freely registered hostname, assigned to a dynamic ip address, in place of email address domain?
something like contact@exemplo.com.br instead of contact@...
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3k
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Cannot connect to Google Compute Engine instance via SSH
i am new to google cloud,i just deployed my first instance it was working fine till yesterday, i used last time to set email server using this tutorial email server, but now i am unable to connect ssh ...
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454
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Running Citadel Email on Raspbian Errors
I installed the citadel email server onto my raspberry pi.
I can access the gui from my browser, but I can't send or receive emails.
Whenever I send an email, I get the following error back 5 minutes ...
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1k
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How turn on SMTP Authentication?
How turn on SMTP Authentication?
When I try to send a email from an email registered in my mail server (example@mydomain.com) to my icloud email (@icloud.com) I receive this back:
Mail from IP (my....
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Avoiding Mail Server Inconvenience
We run our own web server (Apache on Ubuntu) for a bunch of non-commercial websites, but there was no mail transfer agent installed on it, since they are complex to configure and maintain. You need to ...
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Why does my mail server say it "Could not deliver the message in the time limit specified. #4.4.7"?
I'm trying to send an email to some people on my mailing list, and I got back a few NDRs, saying
The following recipients cannot be reached:
email@aol.com on 11/11/2014 11:37 AM
Could ...
- 1,725
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527
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Mail server that supports duplicate file detection?
AFAIK, Google mail servers (gmail) can detect duplicate files. For example, if you receive a big file as attachment that exactly exists in someone else's inbox, google avoids storing the file twice, ...
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E-mail Forwarding Server [closed]
I am looking for an e-mail server/client that does the following:
Runs as an e-mail server (POP3, IMAP, Exchange, etc) for an isolated network
Retrieves e-mail from the isolated network
Resend ...
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4k
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How to block spam email by subject in zimbra
How can I block spam email by subject?
I did tried following this, but it doesn't work.
It uses custom_header_checks and define some parameters, I did try such parameters and restart the services but ...
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Fatal error (bad field count) while configuring Postfix
I'm using this tutorial to configure a mail server using postfix, dovecot and mysql.
While configuring Postfix I have to uncomment the following lines and then restart Postfix with service postfix ...
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Thunderbird: Fetch new messages from server except imported messages
I am using Windows Live Mail for years, but decided to use Thunderbird. I use my mail clients with POP3 connection. I can import my WLM messages into Thunderbird via Import Export Tools and imported ...
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2
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281
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solution for sending/receiving emails from my own domain
since I am not into mailing yet - I wanted to ask the community. I got domains which are linking on several vServer / dedicated Server. I use those server in general for Webapplications & Hosting (...
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657
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OSX Server.App Mail Server Not Starting
I'm having an issue that I've had before, but I've never come up with a solution. I have a Mac Mail server set up using Server.App, and occasionally the server will just stop working, and when I try ...
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321
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Understanding Postfix and Courier IMAP
I'm setting up my own mail server, and I'm very new at this... and I'm getting lost. I need your help in determining some parameters the way I know them already, because the configuration is huge.
So,...
