Re: [Exim] Callouts and EHLO

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Autor: Philip Hazel
Data:  
Para: gARetH baBB
CC: exim-users
Asunto: Re: [Exim] Callouts and EHLO
On Fri, 5 Dec 2003, gARetH baBB wrote:

> Is it me or do callout verifies not try esmtp, but just HELO ?


From the 4.30 manual, section 38.21:

For a sender callout check, Exim makes SMTP connections to the remote hosts,   |
to test whether a bounce message could be delivered to the sender address. The |
following SMTP commands are sent:                                              |
                                                                               |
  HELO <primary host name>                                                     |
  MAIL FROM:<>                                                                 |
  RCPT TO:<the address to be tested>                                           |
  QUIT                                                                         |
                                                                               |
LHLO is used instead of HELO if the transport's "protocol" option is set to    |
'lmtp'. A recipient callout check is similar, except that the MAIL command     |
contains the sender address of the incoming message.                           |


--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book:    http://www.uit.co.uk/exim-book