Jan 22 2022
When I try to send a letter from Roundcube I get the following error:
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1 |
Authentication failure: SMTP server does not support authentication (Code: )) |
This can happen if Postfix doesn’t allow authentication from a localhost where Roundcube resides or if authentication scheme is wrong.
Jan 22 2022
I’m working with a Postfix/Dovecot/Roundcube setup, aiming for a virtual user mail system that can send mail through the internet. Everything seems to work well; Dovecote shows no problems, I can telnet into all of my ports; however, whenever I try to send mail through Roundcube I get the error:
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1 |
SMTP Error (220): Authentication failed. |
Jun 18 2018
Gitlab is an open source, powerful, robust, scalable, secure, as well as efficient software development and collaboration platform for all stages of the DevOps lifecycle. It allows you to plan your development process; code, and verify; package software, and release it with an in-built continuous delivery feature; automate configurations management, and monitor software performance. It …
Nov 11 2017
In this tutorial I will configure a virtual host with the hostname lists.example.com where I will install Mailman. lists.example.com is also the right part of the mailing list email addresses that will be configured in Mailman, i.e., mails to a mailing list will have to be sent to the address <listname>@lists.example.com. As your hostname will …
Jul 05 2017
If you use Microsoft Exchange as a mail relay for other servers, and on the server from which you send mail, you have an error Relay = exchangerelay.domain.com [10.10.10.10]: 25, delay = 5.1, delays = 0.04 / 0.01 / 0.05 / 5, dsn = 5.7.1, status = bounced (host exchangerelay.domain.com [10.10.10.10] Said: 550 5.7.1 Unable …
Apr 07 2017
A Mail Transfer Agent (MTA) is a software that transfers electronic mail messages from one computer to another using a client server application architecture. An MTA is also called by a few other names such as – a Message Transfer Agent, Mail Relay, and Mail Transport Agent. Some of the popular MTAs in use are …
Dec 14 2016
Postfix is a free, open-source, actively maintained, and highly secure mail transfer agent. You can configure your system with Postfix to use Gmail as a mail relay. In order to do this follow the instruction below. Use sudo when needed or execute the commands below under “root” account.
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