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Email server solution

 
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Old 03-29-2015
Email server solution
Hello,

Can you please help with the decision of choosing the right solution for technical needs.

The need:

To have secured email communication.
All the emails should be encrypted during the process of sending.
All the emails should be encrypted on the email server itself.
Encryption send/receive when sending on same email domain.
What can be done when sending outside of domain?
Web access and local access in office when using M.Outlook or Thunderbird (some computers on Linux Mint).

Email server for team of 10-15 person.
Will need around 15-20 email addresses, maybe more later.
====

What email server would you suggest us?
Will we obtain our security goal if will use some online services, or if will rent a dedicated server or vps at our local hosting or internet provider?

Thank you in advance.
 
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LEARN ABOUT DEBIAN

email::date

Email::Date(3pm)					User Contributed Perl Documentation					  Email::Date(3pm)

NAME

       Email::Date - Find and Format Date Headers

SYNOPSIS

	 use Email::Date;

	 my $email = join '', <>;
	 my $date  = find_date($email);
	 print $date->ymd;

	 my $header = format_date($date->epoch);

	 Email::Simple->create(
	     header => [
		 Date => $header,
	     ],
	     body => '...',
	 );

DESCRIPTION

       RFC 2822 defines the "Date:" header. It declares the header a required part of an email message. The syntax for date headers is clearly
       laid out. Stil, even a perfectly planned world has storms. The truth is, many programs get it wrong. Very wrong. Or, they don't include a
       "Date:" header at all. This often forces you to look elsewhere for the date, and hoping to find something.

       For this reason, the tedious process of looking for a valid date has been encapsulated in this software. Further, the process of creating
       RFC compliant date strings is also found in this software.

   FUNCTIONS
       find_date
	     my $time_piece = find_date $email;

	   "find_date" accepts an email message in any format Email::Abstract can understand. It looks through the email message and finds a date,
	   converting it to a Time::Piece object.

	   If it can't find a date, it returns false.

	   "find_date" is exported by default.

       format_date
	     my $date = format_date; # now
	     my $date = format_date( time - 60*60 ); # one hour ago

	   "format_date" accepts an epoch value, such as the one returned by "time".  It returns a string representing the date and time of the
	   input, as specified in RFC 2822. If no input value is provided, the current value of "time" is used.

	   "format_date" is exported by default.

       format_gmdate
	     my $date = format_gmdate;

	   "format_gmdate" is identical to "format_date", but it will return a string indicating the time in Greenwich Mean Time, rather than
	   local time.

	   "format_gmdate" is exported on demand, but not by default.

PERL EMAIL PROJECT

       This module is maintained by the Perl Email Project

       <http://emailproject.perl.org/wiki/Email::Date>

SEE ALSO

       Email::Abstract, Time::Piece, Date::Parse, perl.

AUTHOR

       Casey West, <casey@geeknest.com>.

       Ricardo SIGNES, <rjbs@cpan.org>.

COPYRIGHT

	 Copyright (c) 2004 Casey West.  All rights reserved.
	 This module is free software; you can redistribute it and/or modify it
	 under the same terms as Perl itself.

perl v5.10.1							    2007-12-01							  Email::Date(3pm)