Loading ...
Sorry, an error occurred while loading the content.

RE: Exchange 2010 and recipient verification

Expand Messages
  • Scappatura Rocco
    ... Thank you Wietse, I will try to instruct the postmaster to configure Exchange so that sender double-bounce@mailgw.mydomain.tld is whitelisted. Regards,
    Message 1 of 3 , Aug 29, 2013
    • 0 Attachment
      > -----Original Message-----
      > From: owner-postfix-users@... [mailto:owner-postfix-
      > users@...] On Behalf Of Wietse Venema
      > Sent: Thursday, August 29, 2013 12:37 PM
      > To: Postfix users
      > Subject: Re: Exchange 2010 and recipient verification
      >
      > Scappatura Rocco:
      > > Aug 29 11:23:56 mailgw postfix/smtp[17683]: 6FF3AD5C79:
      > to=<davide.dacomo@...>,
      > relay=xxx.yyy.www.zzz[xxx.yyy.www.zzz]:25, delay=0.03,
      > delays=0.01/0.01/0.01/0.01, dsn=4.4.2, status=undeliverable (lost
      > connection with xxx.yyy.www.zzz[xxx.yyy.www.zzz] while sending RCPT TO)
      > >
      > > It seems that in the latter case Exchange fails to respond to the
      > > SMTP commands MAIL and RCPT.
      > >
      > > Could someone tell why this happens? How can I solve this? What
      > > have to be done eventually on the downstream server side?
      >
      > This could be a feature where the Exchange drops connections from
      > clients that send too much mail to non-existent recipients.
      >
      > Wietse

      Thank you Wietse,

      I will try to instruct the postmaster to configure Exchange so that sender 'double-bounce@...' is whitelisted.

      Regards,

      rocsca
    Your message has been successfully submitted and would be delivered to recipients shortly.