Thank you, I'll take a look!



On Wed, 14 Dec 2022 11:29:05 -0500 (EST) Wietse Venema <wie...@porcupine.org> 
wrote:

> mailm...@ionos.gr:
> > 
> > The milter-8.c file you mention has a lot of information that I was 
> > missing, thank you for that!
> > 
> > One important part is missing, milter response codes are categorised as:
> > - "modification"  
> 
> There are not "final". They add a header, recipient, change sender, etc.
> 
> > - "accept/reject"  
> 
> These are "final".
> 
> > - "asynchronous"  
> 
> There is nothing asynchronous about the Milter or SMTP protocol,
> in the sense that
> - A reader will read an input only when it needs an input, the
>   reader is not interrupt driven.
> - A reader will read inputs in the order that the writer sent those
>   inputs.
> 
> > But these 3 codes are not mentioned anywhere:
> > SMFIR_CONN_FAIL  
> 
> Same category as SMFIR_TEMPFAIL.
> 
> > SMFIR_SETSYMLIST   
> 
> See smfi_setsymlist
> http://www.elandsys.com/resources/sendmail/libmilter/api.html
> 
> > SMFIR_SKIP  
> 
> See SMFIP_SKIP and SMFIS_SKIP in
> http://www.elandsys.com/resources/sendmail/libmilter/api.html
> 
>       Wietse

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