Postfix Bug ?

[nicola.piazzi]

In this conversation relay.cert.legalmail.it send to me nicola.piazzi@gruppocomet.it a MAIL FROM fatturazionelettronica@kartha.legalmail.it and at the end we correctly have from=<fatturazionelettronica@kartha.legalmail.it> :

May 27 16:17:36 MX postfix/smtpd[8683]: connect from relay.cert.legalmail.it[185.102.40.251]
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 220 MX.gruppocomet.it ESMTP Postfix
May 27 16:17:36 MX postfix/smtpd[8683]: < relay.cert.legalmail.it[185.102.40.251]: EHLO relay.cert.legalmail.it
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250-MX.gruppocomet.it
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250-PIPELINING
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250-SIZE 52428800
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250-ETRN
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250-STARTTLS
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250-ENHANCEDSTATUSCODES
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250-8BITMIME
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250 DSN
May 27 16:17:36 MX postfix/smtpd[8683]: < relay.cert.legalmail.it[185.102.40.251]: MAIL FROM:<fatturazionelettronica@kartha.legalmail.it> SIZE=11439
May 27 16:17:36 MX postfix/smtpd[8683]: > relay.cert.legalmail.it[185.102.40.251]: 250 2.1.0 Ok
May 27 16:17:36 MX postfix/cleanup[12238]: E7A26102222: hold: header Received: from relay.cert.legalmail.it (relay.cert.legalmail.it [185.102.40.251])??by MX.gruppocomet.it (Postfix) with ESMTP id E7A26102222??for <nicola.piazzi@gruppocomet.it>; Fri, 27 May 2016 16:17: from relay.cert.legalmail.it[185.102.40.251]; from=<fatturazionelettronica@kartha.legalmail.it> to=<nicola.piazzi@gruppocomet.it> proto=ESMTP helo=<relay.cert.legalmail.it>


In this other conversation relay.cert.legalmail.it send to me nicola.piazzi@gruppocomet.it a MAIL FROM comet@pec.gruppocomet.it and at the end it lose pec after gruppocomet.it domain :

May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250-MX.gruppocomet.it
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250-PIPELINING
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250-SIZE 52428800
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250-ETRN
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250-STARTTLS
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250-ENHANCEDSTATUSCODES
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250-8BITMIME
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250 DSN
May 27 15:01:05 MX postfix/smtpd[2848]: < relay.cert.legalmail.it[185.102.40.251]: MAIL FROM:<comet@pec.gruppocomet.it> SIZE=11232
May 27 15:01:05 MX postfix/smtpd[2848]: > relay.cert.legalmail.it[185.102.40.251]: 250 2.1.0 Ok
May 27 15:01:05 MX postfix/smtpd[2848]: < relay.cert.legalmail.it[185.102.40.251]: RCPT TO:<nicola.piazzi@gruppocomet.it>
May 27 15:01:05 MX postfix/cleanup[3036]: 63B63102225: hold: header Received: from relay.cert.legalmail.it (relay.cert.legalmail.it [185.102.40.251])??by MX.gruppocomet.it (Postfix) with ESMTP id 63B63102225??for <nicola.piazzi@gruppocomet.it>; Fri, 27 May 2016 15:01: from relay.cert.legalmail.it[185.102.40.251]; from=<comet@gruppocomet.it> to=<nicola.piazzi@gruppocomet.it> proto=ESMTP helo=<relay.cert.legalmail.it>

[shawniverson]

Not a bug. You are seeing a classic from header/from envelope mismatch.

[nicola.piazzi]

# masquerade_domains = $mydomain

[shawniverson]