freeserve.co.uk> b8d9f8d7   
   From: chris@cvine--nospam--.freeserve.co.uk   
      
   On Mon, 6 Jun 2022 20:00:43 -0300   
   Jim Diamond  wrote:   
   > On 2022-06-03 at 06:45 ADT, Chris Vine  wrote:   
   >   
   >    
   >   
   > > So my main.cf has amongst other things the following in it:   
   > >   
   > >   relayhost = my.default.relay:587   
   > >   smtp_sasl_auth_enable = yes   
   > >   smtp_sender_dependent_authentication = yes   
   > >   sender_dependent_relayhost_maps = hash:/etc/postfix/sender_relay   
   > >   smtp_tls_security_level = encrypt   
   > >   smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd   
   > >   smtp_sasl_security_options = noanonymous   
   > >   smtp_sasl_tls_security_options = noanonymous   
   >   
   >    
   >   
   > Chris,   
   >   
   > thanks for the details.  I could not get outgoing email to gmail   
   > without adding   
   >         smtp_sasl_mechanism_filter = login   
   > to main.cf.   
   >   
   > Just out of curiosity, do you already have that in your main.cf?   
      
   I have 'smtp_sasl_mechanism_filter = plain' in mine.  I don't know   
   what the difference between 'plain' and 'login' SASL authentication is,   
   but from your results 'smtp_sasl_mechanism_filter = plain, login' may be   
   better.   
      
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