Ubuntu Server Guide
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Configuring SASL
To configure the saslauthd to provide authentication for Exim4, first install the sasl2-bin package by running this command at a terminal prompt: sudo apt i n s t a l l s a s l 2 −b i n To configure saslauthd, edit the /etc/default/saslauthd configuration file and set: START=y e s Next, to make Exim4 use the saslauthd service, the Debian-exim user needs to be part of the sasl group: sudo a d d u se r Debian−exim s a s l Finally, start the saslauthd service: sudo s e r v i c e s a s l a u t h d s t a r t Exim4 is now configured with SMTP-AUTH using TLS and SASL authentication. References • See exim.org for more information. • There is also an Exim4 Book available. • Another resource is the Exim4 Ubuntu Wiki page. • Further resources to set up mailman3 with exim4 Email Services The process of getting an email from one person to another over a network or the Internet involves many systems working together. Each of these systems must be correctly configured for the process to work. The sender uses a Mail User Agent (MUA), or email client, to send the message through one or more Mail Transfer Agents (MTA), the last of which will hand it off to a Mail Delivery Agent (MDA) for delivery to the recipient’s mailbox, from which it will be retrieved by the recipient’s email client, usually via a POP3 or IMAP server. 240 Postfix Postfix is the default Mail Transfer Agent (MTA) in Ubuntu. It attempts to be fast and secure, with flexibility in administration. It is compatible with the MTA sendmail. This section will explain installation, including how to configure SMTP for secure communications. Note This guide does not cover setting up Postfix Virtual Domains, for information on Virtual Domains and other advanced configurations see References. Installation To install Postfix run the following command: sudo apt i n s t a l l p o s t f i x For now, it is ok to simply accept defaults by pressing return for each question. Some of the configuration options will be investigated in greater detail in the next stage. Download 1.23 Mb. Do'stlaringiz bilan baham: |
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