On Thu, Mar 07, 2024 at 01:38:15PM +0100, mhbeyle--- via Exim-users wrote: > When a user groups several recipients under the To, Cc or Bcc fields, the > message is encoded with a unique ID. Some relay providers impose limits on > the number of such recipients. > Is there any way to avoid this and is it possible, when faced with an > envelope with more than one recipient (or a specific number of recipients), > to configure a different ID for each of the messages being sent? > I have been able to do some test with the max_rcpt parameter, but it does > not work because the message ID remains the same.
Try to set max_rcpt=1 and modify Message-Id via transport script, invoked by transport_filter option. Say, add nanoseconds to the left side of msg-id, or substitute it with arbitrary generated msg-id. -- Eugene Berdnikov -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
