All Questions
138
questions
0
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54
views
How to forward one email to two SMTP server using postfix?
My Requirements
I have two email servers, james and winmail. They hold same users, for example, account [email protected] exists both in james and winmail.
When someone sends a email to [email protected], I ...
- 1
0
votes
0
answers
14
views
ssmtp using elasticemail.com:2525 looks like it sends OK but email never arrives
OS: xUbuntu 22.04
I am trying to setup the ability to send emails from the cli (and once successful, use for cron jobs and scripts).
Although the majority of help out there is for setting up smtp....
- 13
0
votes
2
answers
129
views
emails rejected from various Linux based systems due to perceived header syntax failure when using distribution lists
What am I missing...
Given: Linux-stack based email server system (hosted) with webmail component. Various email clients and other webmail systems involved and tested with this.
We are distributing ...
- 11
0
votes
0
answers
41
views
How to configure local smtp server sendmail/postfix to occur error 503 5.5.4 send AUTH command first?
I want to achieve sendmail/postfix configuration as in smtp.yandex.ru to make error "503 5.5.4 send AUTH command first" occur after:
telnet localhost 25
EHLO test
MAIL FROM: user@hostname
...
- 1
0
votes
0
answers
38
views
Can't log into roundcube webmail on my own private mailserver
I just set up smtp and imap (so postfix and dovecot) on my debian machine and have an own domain. I tested that i can e.g. send emails and everything works. Now i installed Roundcube Webmail and ...
- 1
0
votes
1
answer
39
views
Split messages from one inbox to another 2 inboxes based on content
is there a way via Postfix and or procmail for example or another software to forward e-mails from one inbox to another 2 inboxes where each message goes either to one inbox or the other based on ...
- 103
0
votes
0
answers
239
views
How to configure Linux (debian 11) as an SMTP Gateway with authentication
Hope you are all having a good friday.
The situation is - I have a local MS Exchange Server, which currently has a windows based server in the cloud that I'm using as an SMTP relay - it works great ...
0
votes
0
answers
111
views
Postfix delivers messages locally despite configuration for discovering external agent
A small node operates several web applications attached to a domain.
The same domain is used for mailboxes, hosted off site by a commercial service.
On the name server operated by the registrar, A, ...
- 330
0
votes
1
answer
176
views
OpenSMTPD: Mails that should be in root user's mbox is in default user's mail box
So I have setup an OpenSMTPD server on my OpenBSD VPS.
I have specified the aliases file path and configured action "local_mail" to forward the mails to specific users based on their ...
- 11
0
votes
0
answers
663
views
timed out while receiving the initial server greeting
I'm trying to host a postfix mail server.I have a box with a fixed IP and also a mx record and spf record that link my box IP to my dns record. I can telnet to alt4.gmail-smtp-in.l.google.com 25 but ...
- 1
1
vote
1
answer
1k
views
Which domain is HELO checked against with rDNS? Mail server's domain, even if different from the sender's domain? Or the email sender's domain?
I run a small webserver that hosts a handful of domains which I use for personal and testing purposes. I want to set it up as a mail server as well, and I'm trying to understand the rDNS lookup that ...
0
votes
1
answer
216
views
Any email clients for Linux with capability of sending an email multiple times to mail-list recipients individually?
Any email clients for Linux with capability of sending an email multiple times to mail-list recipients individually?
Up to 30 recipients, if it is important.
P.S. No, python script does not work ...
1
vote
0
answers
317
views
Postfix rejecting outgoing emails because of "Relay access denied." | "generic_checks: name=reject_unauth_destination status=2"
I am currently rolling out a Postfix/Dovecot configuration on our servers to replace our monolithic mail server.
On the test enviroment I have everything set up and it worked there. Now I am rolling ...
- 11
0
votes
0
answers
210
views
Is it possible to configure Postfix to receive emails on any email address on a domain name I control?
The question is mainly stated on the title. I was wondering if it is possible to configure Postfix in such way. More specifically, if I control domain "example.com" I'm asking if I will be ...
- 157
2
votes
1
answer
37
views
Is there a DNS-based policy like SPF or DMARC to require STARTTLS sessions for a given domain?
Ignoring the fact that not all mail servers support TLS:
Is there a way to announce to the world that we would prefer that our inbound mail be delivered via TLS and verified as signed by a trusted CA?
...
- 495