Questions tagged [mail-server]
The mail-server tag has no summary.
105 questions
0
votes
0
answers
127
views
Rspamd Container unhealthy in Mailu installation: cannot reach Aministration Container
I am running a Mailu Mailserver via Docker, configured with a docker Compose file using Portainer and an upstream unbound for DNS. All but one container are healthy when i start the stack. The rspamd ...
0
votes
1
answer
33
views
How to address Synology MailPlus Server maillog warning "mimedefang-multiplexor[PID]: Failed to get domain_id of the sender: '[email protected]"
Environment
DSM 7.1.1-42962 Update 8
Synology MailPlus Server 3.1.6-11332
Symptom
There are warnings in /volume1/@maillog/maillog
mimedefang-multiplexor[30157]: Failed to get domain_id of the ...
0
votes
0
answers
132
views
How do I forward smtp requests on port 25 to my local machine on another port on my VPS
I need to receive emails, but for that I need port 25 open which my ISP blocks.
I purchased a VPS and now I want to accept the smtp requests on it and forward it to my machine on another port.
I have ...
0
votes
0
answers
481
views
Office365 error for bad SPF config but i already added
I am setting up a mail server but encountering issues with emails sent from Outlook. When I send an email from a Gmail account to my custom address (e.g., [email protected]), it works without any errors. ...
0
votes
0
answers
944
views
New user does not have a Postfix `Maildir` directory?
I am attempting to have multiple user accounts, each capable of receiving their own mail in their own Maildir directory. When I add a new user account however, no Maildir directory structure is ...
1
vote
0
answers
3k
views
How to correctly use Postfix virtual aliases?
All emails sent to my email server arrive in the inbox of root, regardless of the user specified in [email protected].
My virtual file in /etc/postfix/virtual is:
[email protected] username1
query1@...
2
votes
0
answers
260
views
Mail Server and Google Mail
Issue
I have just set up an email server using Postfix, POP3 and IMAP, following the instructions listed here:
https://help.ubuntu.com/community/PostfixBasicSetupHowto
Sending/receiving mail locally ...
0
votes
1
answer
116
views
Does SORBS (DNSBL) contains domain names?
I’m researching SORBS (Spam and Open Relay Blocking System) and its function in DNS-based Blackhole Lists (DNSBLs).
My question is straightforward: Is SORBS limited to storing only IP addresses, or ...
0
votes
1
answer
648
views
Multiple MX DNS entries for mail server backup / redundancy?
I have set up MX records for my domain as follows:
0 mail1.mydomain.com.
10 mail2.mydomain.com.
20 mail1.backupmxserver.com.
30 mail2.backupmxserver.com.
where entries 0 and 10 are for mail servers ...
1
vote
0
answers
289
views
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 = ...
0
votes
0
answers
181
views
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 ...
0
votes
0
answers
469
views
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 ...
1
vote
1
answer
882
views
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, ...
0
votes
1
answer
81
views
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....
5
votes
2
answers
7k
views
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 ...