You may be adding the To: header but the receiving MX doesn't care about that. It is the envelope RCPT TO: header that counts.
You probably have something like this: mail ($to, $subject, $message, $additional_headers); where $to is mateusz@DOMAIN and $additional_headers contains 'To: Krzysiek <krzysiek@DOMAIN>' On Mon, Aug 25, 2014 at 9:57 PM, Krzysztof Rosiński <rose...@gmail.com> wrote: > Hi, I'm looking for help with one issue. > > > I'm trying to send email using php script from one gmail account > 'INTERNAL@DOMAIN' to another 'krzysiek@DOMAIN' (DOMAIN is our company > address). The 'krzysiek@DOMAIN' is included in the 'To' header and I don't > add any Cc, Bcc. > > > The issue is that the email is send to totally different account in the same > domain 'mateusz@DOMAIN', this is shown in the 'Received' hader below. Do you > have any suggestion how can I fix this problem, please? > > > Kind Regards, > > > Krzysiek Rosinski > > > *Return-Path: <INTERNAL@DOMAIN> > Received: from localhost (HOST. [IP]) > by mx.google.com <http://mx.google.com> with ESMTPSA id ID > for <mateusz@DOMAIN> > (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); > Mon, 25 Aug 2014 12:27:49 -0700 (PDT) > Message-ID: <i...@mx.google.com <i...@mx.google.com>> > Date: Mon, 25 Aug 2014 12:27:49 -0700 (PDT) > MIME-Version: 1.0 > From: INTERNAL <INTERNAL@DOMAIN> > X-Sender: <INTERNAL@DOMAIN> > X-Mailer: PHP > Content-Type: multipart/mixed; boundary=cfdc68da5e0b1d90912aec7553ae78f7 > Subject: SUBJECT > To: Krzysiek <krzysiek@DOMAIN> > * > > > -- > You received this message because you are subscribed to the Google Groups > "Gmail-Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to gmail-users+unsubscr...@googlegroups.com. > To post to this group, send email to gmail-users@googlegroups.com. > Visit this group at http://groups.google.com/group/gmail-users. > For more options, visit https://groups.google.com/d/optout. > -- Marko -- You received this message because you are subscribed to the Google Groups "Gmail-Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to gmail-users+unsubscr...@googlegroups.com. To post to this group, send email to gmail-users@googlegroups.com. Visit this group at http://groups.google.com/group/gmail-users. For more options, visit https://groups.google.com/d/optout.