Re: header question

[andré <andr55 laposte net>]

Le 20-05-23 à 12 h 59, Albrecht Dreß a écrit :
> Hi Jack!
>
> Am 23.05.20 18:44 schrieb(en) Jack via balsa-list:
> > Not specifically Balsa related, but an email correspondent just asked 
> > my why my email didn't have a Reply-To: header.  I always thought it 
> > was present, but I see not.  Should it be, or should I just tell him 
> > it is HIS software that is wrong, since it should reply to the From: 
> > address if there isn't a Reply-To: ?
>
> Quoting from RFC 5322, Section 3.6.2 
> (<https://tools.ietf.org/html/rfc5322#section-3.6.2>):
>
> > > 3.6.2.  Originator Fields
> > >
> > > The originator fields of a message consist of the from field, the 
> > > sender field (when applicable), and optionally the reply-to field. 
> > > […] In either case, an optional reply-to field MAY also be included, 
> > > which contains the field name "Reply-To" and a comma-separated list 
> > > of one or more addresses.
> > > […]
> > > The originator fields indicate the mailbox(es) of the source of the 
> > > message.  The "From:" field specifies the author(s) of the message, 
> > > that is, the mailbox(es) of the person(s) or system(s) responsible 
> > > for the writing of the message.
> > > […]
> > > The originator fields also provide the information required when 
> > > replying to a message.  When the "Reply-To:" field is present, it 
> > > indicates the address(es) to which the author of the message suggests 
> > > that replies be sent.  In the absence of the "Reply-To:" field, 
> > > replies SHOULD by default be sent to the mailbox(es) specified in the 
> > > "From:" field unless otherwise specified by the person composing the 
> > > reply.
>
> IOW, if the message you sent contains a From: field (it will, as it is 
> required), it /is/ well-formed, and a Reply-To: would be required /only/ 
> if you want the reply to be transmitted to a different mailbox.
>
> > (his complaint is that he always needs to type my address in the To: 
> > field.)
>
> Sounds as if that mailer is broken, or the From: field not being 
> recognised properly for some strange reason.
>
> Best,
> Albrecht.
I'd call that email 101 :)
I thought everyone would know that.

--
André