Axigen & OpenLDAP Integration (static configuration)
https://www.axigen.com/documentation/axigen-openldap-integration-static-configuration-p45252717
LDAP routing
The Axigen mail server provides routing options at SMTP In, POP3 Proxy and IMAP Proxy level through its integration with OpenLDAP.
Additional Notes on IPv6 Support
https://www.axigen.com/documentation/additional-notes-on-ipv6-support-p47120705
IPv6 in service banners (used in POP3, IMAP services, and proxies)
Support for IPv6 when printing listener address as part of the service banner has been added.
Configuring LDAP Connectors
https://www.axigen.com/documentation/configuring-ldap-connectors-p45254256
This parameter is used by Axigen when you configure SMTP or WebMail / IMAP / POP3 proxy routing to determine to which server it will route the respective connection
Let's Encrypt Support
https://www.axigen.com/documentation/lets-encrypt-support-p54493192
The certificates can be used for the following Axigen services:
WebMail
IMAP
POP3
SMTP Incoming
Proxy services — WebMail Proxy, IMAP Proxy, POP3 Proxy
For each certificate
DNS Based Service Discovery
https://www.axigen.com/documentation/dns-based-service-discovery-p47120690
, with IMAP having a lower-numbered priority value (0) than POP3 (10), indicating to the MUA that IMAP is preferred over POP3, when the MUA can support either service
Deployment of the Load Balancing & Front-End Tiers
https://www.axigen.com/documentation/deployment-of-the-load-balancing-front-end-tiers-p44433428
When configuring it with the Axigen Configuration Wizard after the installation process finishes successfully, you should not select configuring the IMAP, POP3,
Listener Context – Subcontext of Proxy Services
https://www.axigen.com/documentation/listener-context-subcontext-of-proxy-services-p45254421
The commands available for the Listener context are:
EXIT/QUIT – exits CLI and closes connection to Axigen
HELP – prints this help message
BACK- cancels any changes made and switches back to the previous context
COMMIT – commits the changes made in this context
SHOW [ATTR <param>] – shows information about this context
Email Features
https://www.axigen.com/documentation/email-features-p45253576
Sub-folder support
By extending the standard POP3 protocol, Axigen’s POP3 service allows users to access subfolders by logging in with "user+subfolder" instead of
Deploying an Axigen Cluster on Kubernetes Platforms with AxiHelm
https://www.axigen.com/documentation/deploying-an-axigen-cluster-on-kubernetes-platforms-with-axihelm-p686227505
-6xzfv 2/2 Running 0 4m9s
axigen-mail-domain-tld-fe-proxy-bb54d7777-w7vwk 2/2 Running 0 4m9s
axigen-mail-domain-tld-fe-smtp
SNMP & Prometheus Metrics
https://www.axigen.com/documentation/snmp-prometheus-metrics-p668205461
additional instance of the succeeded_authentication metric with an extra label, domain=<domainname> exists to allow more granular filtering for all except the proxy
OpenLDAP
https://www.axigen.com/documentation/openldap-p45253503
Axigen performs the following interaction with an LDAP service:
authentication (read operation)
SMTP routing (read operation)
Proxy redirection (read operation)
GSSAPI / Kerberos authentication for Axigen installed on Linux
https://www.axigen.com/documentation/gssapi-kerberos-authentication-for-axigen-installed-on-linux-p8865768
32:2019-01-17 12:58:33 +0200 16 mail POP3:0000000C: << AUTH GSSAPI
everything.txt.2019-01-16-17:07:32:2019-01-17 12:58:33 +0200 16 mail POP3:0000000C: >> +
everything.txt
Back-end services setup
https://www.axigen.com/documentation/back-end-services-setup-p45253740
IMAP and POP3 Services will accept routed connections from the respective proxy services.
Deploying & Running Axigen in Docker
https://www.axigen.com/documentation/deploying-running-axigen-in-docker-p686522391
The following services are enabled and mapped as 'exposed' TCP ports in Docker:
SMTP (25 - non secure, 465 - TLS)
IMAP (143 - non secure, 993 - TLS)
POP3 (110 -
Additional Fine-Tuning via Environment Variables
https://www.axigen.com/documentation/additional-fine-tuning-via-environment-variables-p689438829
In cases where external HTTP access is allowed only via a dedicated HTTP proxy, the built-in Let's Encrypt client and the WebAdmin updates checker and contact support
Bitdefender AntiVirus & AntiSpam
https://www.axigen.com/documentation/bitdefender-antivirus-antispam-p667288573
Configuring a proxy server for updates is also available in a dedicated section.
RFCs & Other Standards
https://www.axigen.com/documentation/rfcs-other-standards-p45253621
– Using TLS with IMAP, POP3, and ACAP
POP3
RFC 1939 – Post Office Protocol (version 3)
RFC 2449!
Engine Modularity
https://www.axigen.com/documentation/engine-modularity-p45253792
When using Axigen as main mail server, it is recommended to run all services provided by Axigen - Processing, SMTP Incoming, SMTP Outgoing, POP3, IMAP, WebMail,
PHP CLI API
https://www.axigen.com/documentation/php-cli-api-p45253880
CLI uses contexts in order to group together similar operations, like server configuration (the server# context), POP3 service configuration (the server-pop3# context
Mobility
https://www.axigen.com/documentation/mobility-p45253849
Also, the IMAP idle feature and regular IMAP/POP3 account polling are supported.
Configuring Mailing List Quotas and Restrictions
https://www.axigen.com/documentation/configuring-mailing-list-quotas-and-restrictions-p45254116
Session Restrictions
The number of POP3, IMAP, and WebMail sessions can be limited using the up and down arrows or directly editing the text fields pertaining to
Auto-discovery Configuration
https://www.axigen.com/documentation/auto-discovery-configuration-p49119991
Admins are able to configure default Auto-discovery settings:
Enable IMAP auto discovery (default = yes)
Enable POP3 auto discovery (default = no)
Enable SMTP auto
Setting Up Axigen Clustering
https://www.axigen.com/documentation/setting-up-axigen-clustering-p45254254
following modes:
Standalone – the server is not part of a cluster or is using the obsolete clustering execution mode;
Frontend – the server acts as a frontend, with proxy
Clustering: Solution Overview
https://www.axigen.com/documentation/clustering-solution-overview-p45255075
Typically refers to the services in the front-end tier (e.g IMAP Proxy)
Front-end tier – subnet, medium security level; provides proxy and routing services
Back-end
Chart Counters
https://www.axigen.com/documentation/chart-counters-p45254215
POP3 Inbound Connection Parameters
POP3_InboundConnection – reports the number of inbound connections on any of the POP3 listeners.