03-15-2017
Sendmail migration help
I am currently trying to move away from an old email server to Google mail for business. As email is critical for everyone in the company we are trying to do it gradually to minimise the risk of emails getting lost or something going wrong.
Our existing email server uses sendmail 8.13.8 as the MTA. We also have MX records for the domain pointing to this old email server. We have a google mail inbox but it currently receives nothing as there aren't any MX records pointing at it.
We are hoping to set up some sort of forwarding system so that our users can be migrated gradually. The idea would be that when someone sends a user an email, the mail server would either deliver it locally (as it currently does) or forward it to the google mail server (that has no MX record) to be delivered there depending on whether the user has been flagged for migration. We could then gradually test the system with a few users and give them a chance to copy their existing mailboxes over to the new storage before we finally switch the MX record over to Google.
Does anyone have any idea if this is possible and how to go about doing it?
If anyone has any better ideas about doing this migration I'd also love to hear them.
Thanks in advance!
James
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LEARN ABOUT SUSE
mailto.conf
mailto.conf(5) Apple Inc. mailto.conf(5)
NAME
mailto.conf - configuration file for cups email notifier
DESCRIPTION
The mailto.conf file defines the local mail server and email notification preferences for CUPS.
Each line in the file can be a configuration directive, a blank line, or a comment. Comment lines start with the # character.
DIRECTIVES
Cc cc-address@domain.com
Specifies an additional recipient for all email notifications.
From from-address@domain.com
Specifies the sender of email notifications.
Sendmail sendmail command and options
Specifies the sendmail command to use when sending email notifications. Only one Sendmail or SMTPServer line may be present in the
mailto.conf file. If multiple lines are present, only the last one is used.
SMTPServer servername
Specifies a SMTP server to send email notifications to. Only one Sendmail or SMTPServer line may be present in the mailto.conf file.
If multiple lines are present, only the last one is used.
Subject subject-prefix
Specifies a prefix string for the subject line of an email notification.
SEE ALSO
classes.conf(5), cupsd(8), cupsd.conf(5), mime.convs(5), mime.types(5), printers.conf(5),
http://localhost:631/help
COPYRIGHT
Copyright 2007-2009 by Apple Inc.
12 July 2006 CUPS mailto.conf(5)