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Due to a bug in some versions of Outlook, this is otherwise impossible. Opening port 993/TCP is strictly not needed, but still enabled to allow setting up mail accounts in Microsoft Outlook. When using IPv4 NAT, also forward connections to the following ports on the public IP to the mail server. Firewall settingsĪllow connections on the following ports. If you use these services, you will quickly hit their rate limits as Rspamd has to perform a lot of DNS queries to perform its analysis of messages.

Spamsieve thunderbird plugin free#

Allow making a very large amount of queriesĭoing this avoids using free services such as Cloudflare’s 1.1.1.1 or Googles 8.8.8.8 / 8.8.4.4.

It is also possible to point to another DNS resolver, but it will need to:

It also assumes you have a static IP address available for which you can set the reverse DNS records. It is recommended to use a separate VM, VPS or system to host the mail server on. This post assumes that you have already setup a basic Debian Bullseye install.

Spamsieve thunderbird plugin software#

software which needs to be able to send transactional e-mail but which does not need to receive e-mail. Send-only / no reply e-mail addresses, convenient to use with e.g.Apart from forwarding, Sieve also offers functionality such as automated archiving and flagging and sending notifications.Server-side filtering using the Sieve ( RFC5228) standard, which can be managed using the ManageSieve protocol (RFC5804) in mail clients such as Roundcube.Dovecot Sieve allows you to set this up for all e-mails, but it can also restrict forwarding to e-mails which match certain characteristics, such as a specific “From” domain or e-mail address or with a specific e-mail subject.With forwarding, you can only receive e-mail sent to one address on multiple e-mail addresses.This way, you can have multiple owners of one e-mail address.With aliases, you can send e-mail from AND receive e-mail on multiple e-mail addresses which are linked to the same inbox.The setup also offers some convenient additional functionality such as: E.g.: or This allows you to easily define mailbox filters for different kinds of e-mail, for example, to automatically sort incoming newsletters into a newsletter folder instead of your inbox. “Address tagging”, adding tags to existing e-mail addresses using the + sign.It sets up a global spam filter, which uses self-learning from e-mails in all mailboxes.TLS will be promoted in communications between other servers. To check for MTA-STS policies, we make use of the Postfix MTA-STS Resolver.MTA-STS, both for receiving as well as sending e-mail.DANE SMTP server validation, both for receiving as well as sending e-mail.It supports many modern e-mail standards such as: Postfix needs to be able to do DNS lookups through a DNS recursor which supports DNSSEC.Required because Rspamd makes many DNS lookup requests when filtering e-mail.Unbound validating, recursive and caching DNS resolver.Serves as a HTTP server for autoconfiguration files.

Provides us with SSL certificates from Letsencrypt.

Functions as our database for domain names and users for which we accept e-mail.

Scores e-mails in order to decide whether e-mails are “ham” or “spam”.

Provides ways to filter e-mails and perform automated actions.

Enables us to store and sync e-mail across devices.

It is also fully compatible with Debian 11 “Bullseye” using the following software packages:

Spamsieve thunderbird plugin how to#

It shows how to set up a modern mail server capable of handling e-mail for multiple domains on Debian 12 “Bookworm”. In this post my notes on how I generally approach this are described. Seems that empty folders are the problem, but I have currently no idea to fix it here.Since around 2010 I have been running mail servers for myself and other organisations.

My system is a MBP 15 unibody with 10.5.8 (!) Developer preview.

Spamsieve thunderbird plugin install#

I get the following errors when trying to install the Apple Mail scripts:Ģ4.06.09 20:46:28 /Applications/SpamSieve.app/Contents/MacOS/SpamSieve reading from /Applications/SpamSieve.app/Contents/Frameworks/amework/Resources/SpamSieve.mailbundle: Is a directoryĢ4.06.09 20:46:28 /Applications/SpamSieve.app/Contents/MacOS/SpamSieve error processing data: Is a directoryĢ4.06.09 20:46:28 /Applications/SpamSieve.app/Contents/MacOS/SpamSieve /Applications/SpamSieve.app/Contents/Frameworks/amework/Resources/SpamSieve.mailbundle: remove: Operation not permittedĢ4.06.09 20:46:28 /Applications/SpamSieve.app/Contents/MacOS/SpamSieve reading from /Applications/SpamSieve.app/Contents/Frameworks/amework/Resources/Clients: Is a directoryĢ4.06.09 20:46:28 /Applications/SpamSieve.app/Contents/MacOS/SpamSieve /Applications/SpamSieve.app/Contents/Frameworks/amework/Resources/Clients: remove: Operation not permitted