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Minimal Postfix relay configuration accepting only TLS connections of authenticated users

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0

I have a mail (and web) server running Debian 7 with Postfix 2.9.

Currently Postfix is essentially used as a mail forwarder; there is only one mailbox (root) which is accessed locally with the "mail" command.

I wish to use this server as an SMTP mail-sending server that can be used, after authentication, by external mail clients (like Thunderbird or Gmail) through a secured connexion (TLS, I suppose).

I do not need POP3 nor IMAP features. I wish to install as few packages, libraries and dependencies as possible (I like the KISS principle).

From my many readings, I understand that I will have to install some Dovecot or Cyrus packages to manage SASL; again, I would like to keep them as scarce as possible, for a minimal setup.

As for TLS, since my server already accepts TLS connexions for serving webpages, I think that I will only have to edit existing mail related configuration files (no extra packages needed).
Many thanks for sharing your advices or thoughts. Eg., if I choose Dovecot for managing SASL, will the "dovecot-core" package be sufficient?

debian ssl postfix debian-wheezy sasl

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edited Apr 17 at 9:29

HBruijn

56.9k1190150

asked Apr 17 at 8:59

ÉricÉric

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Éric is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can re-use the existing TLS certificate(s) that your webserver uses for Postfix. - As the manual postfix.org/SASL_README.html explains, Dovecot SASL makes most sense when you already (plan to) use Dovecot for POP/IMAP, where Cyrus might be more lightweight when you won't be offering mailboxes but either will work.
  
  – HBruijn
  Apr 17 at 9:42
  

  
  
  
  

add a comment | 

0

I have a mail (and web) server running Debian 7 with Postfix 2.9.

Currently Postfix is essentially used as a mail forwarder; there is only one mailbox (root) which is accessed locally with the "mail" command.

I wish to use this server as an SMTP mail-sending server that can be used, after authentication, by external mail clients (like Thunderbird or Gmail) through a secured connexion (TLS, I suppose).

I do not need POP3 nor IMAP features. I wish to install as few packages, libraries and dependencies as possible (I like the KISS principle).

From my many readings, I understand that I will have to install some Dovecot or Cyrus packages to manage SASL; again, I would like to keep them as scarce as possible, for a minimal setup.

As for TLS, since my server already accepts TLS connexions for serving webpages, I think that I will only have to edit existing mail related configuration files (no extra packages needed).
Many thanks for sharing your advices or thoughts. Eg., if I choose Dovecot for managing SASL, will the "dovecot-core" package be sufficient?

debian ssl postfix debian-wheezy sasl

share|improve this question

edited Apr 17 at 9:29

HBruijn

56.9k1190150

asked Apr 17 at 8:59

ÉricÉric

11

New contributor

Éric is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can re-use the existing TLS certificate(s) that your webserver uses for Postfix. - As the manual postfix.org/SASL_README.html explains, Dovecot SASL makes most sense when you already (plan to) use Dovecot for POP/IMAP, where Cyrus might be more lightweight when you won't be offering mailboxes but either will work.
  
  – HBruijn
  Apr 17 at 9:42
  

  
  
  
  

add a comment | 

I have a mail (and web) server running Debian 7 with Postfix 2.9.

Currently Postfix is essentially used as a mail forwarder; there is only one mailbox (root) which is accessed locally with the "mail" command.

I wish to use this server as an SMTP mail-sending server that can be used, after authentication, by external mail clients (like Thunderbird or Gmail) through a secured connexion (TLS, I suppose).

I do not need POP3 nor IMAP features. I wish to install as few packages, libraries and dependencies as possible (I like the KISS principle).

From my many readings, I understand that I will have to install some Dovecot or Cyrus packages to manage SASL; again, I would like to keep them as scarce as possible, for a minimal setup.

As for TLS, since my server already accepts TLS connexions for serving webpages, I think that I will only have to edit existing mail related configuration files (no extra packages needed).
Many thanks for sharing your advices or thoughts. Eg., if I choose Dovecot for managing SASL, will the "dovecot-core" package be sufficient?

debian ssl postfix debian-wheezy sasl

share|improve this question

edited Apr 17 at 9:29

HBruijn

56.9k1190150

asked Apr 17 at 8:59

ÉricÉric

11

New contributor

Éric is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited Apr 17 at 9:29

HBruijn

56.9k1190150

asked Apr 17 at 8:59

ÉricÉric

11

New contributor

Éric is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited Apr 17 at 9:29

HBruijn

56.9k1190150

asked Apr 17 at 8:59

ÉricÉric

11

New contributor

Éric is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited Apr 17 at 9:29

HBruijn

56.9k1190150

edited Apr 17 at 9:29

HBruijn

56.9k1190150

asked Apr 17 at 8:59

ÉricÉric

11

New contributor

Éric is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked Apr 17 at 8:59

ÉricÉric

11