Questions tagged [smtp]
SMTP is a protocol built upon TCP/IP, used for outgoing email transmissions, and email relaying. It uses ports 25 (clear) and 465 (SSL) by default.
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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 ...
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Postfix TLS Anonymous and Untrusted
We use Postfix on a RHEL server to distribute email to our opted-in users each morning. We recently enabled smtp (outbound) TLS. The majority of our email is delivered on Trusted TLS Connections. ...
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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....
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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 ...
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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
...
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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 ...
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How to set HELO/EHLO on Exim accordingly to match sending domain
I have a VPS server, which is used to send emails. On that server I have 2 domain names attached and correctly configured with 2 different IP's.
DNS is set as well to match sending IP's accordingly:
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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 ...
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Postfix mail sending issue with SMTP Authentication using SASL
I have configured an SMTP server on my Ubuntu server using Postfix, and I am encountering issues with SMTP authentication. Emails sent directly through the server are successful. However, when I ...
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sending an email via curl and stmp not working
I'm trying to write a script to send an email using:
curl --url 'smtp://smtp.example.com:587' --ssl-reqd \
--mail-from '[email protected]' --mail-rcpt '[email protected]' \
--upload-file mail....
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How do I resolve a TLS Error associated with smtpd?
I found the following in the logs:
sssd_kcm[425899]: Starting up
postfix/submission/smtpd[425910]: initializing the server-side TLS engine
postfix/submission/smtpd[425910]: connect from unknown[::1]
...
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Light program (mini MTA?) for system mail (only sending/relay via external server with unattended-upgrades, cron, smartmontools, etc.)
I've come across different names in different places: Light MTA, Remote MTA, Smarthost, etc.
Generally, I do not want to install a full-fledged mail server (such as sendmail, postfix, exim), but only ...
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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 ...
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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, ...
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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 ...
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