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master ... v0.6.2

3 changed files with 42 additions and 43 deletions
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40
ChangeLog
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@ -1,65 +1,69 @@
checkmail 0.7 (unreleased)
* Re-format ChangeLog.
* Update POD documentation (repository, issue tracker).
* Add README.
* Change mail address.
* Fix display of CNAME/A records in log file.
checkmail 0.6.2 (2016-01-09)
Version 0.6.2 (2016-01-09)
* Try to handle CNAMEs and resolve them to A records.
Change documentation accordingly.
Fixes #55.
Thomas Hochstein <thh@inter.net> Sat Jan 9 12:02:27 2016 +0100
* Allow setting an empty envelope-from ('<>') using '-s'.
Change documentation accordingly.
Update version and copyright dates.
Fixes #54.
Thomas Hochstein <thh@inter.net> Sat Jan 9 11:15:42 2016 +0100
checkmail 0.6.1 (2011-12-04)
Version 0.6.1 (2011-12-04)
* Fix annoying error message (and some small changes).
* Fix annoying error message
(and some small changes).
Thomas Hochstein <thh@inter.net> Sun Dec 04 16:41:52 2011 +0200
checkmail 0.6 (2011-10-24)
Version 0.6 (2011-10-24)
* Don't temp-fail on random address check.
Thomas Hochstein <thh@inter.net> Mon Oct 24 22:27:01 2011 +0200
* Fix regexp for syntax check.
Thomas Hochstein <thh@inter.net> Sun Jul 24 12:28:26 2011 +0200
checkmail 0.5
Version 0.5
* Add syntax check for mail addresses.
Change documentation accordingly.
Fixes #11.
Thomas Hochstein <thh@inter.net> Sat Jul 23 23:53:22 2011 +0200
checkmail 0.4
Version 0.4
* Add overrides for configuration (MAIL FROM/EHLO).
New commandline options: -s <sender> and -e <EHLO>.
Change documentation accordingly.
Thomas Hochstein <thh@inter.net> Thu Jun 17 22:56:14 2010 +0200
* Replace splitaddress() by Mail::Address.
Thomas Hochstein <thh@inter.net> Wed Jun 16 22:08:22 2010 +0200
* -r: Create a really random localpart.
Add create_rand_addr().
Thomas Hochstein <thh@inter.net> Wed Jun 16 21:51:50 2010 +0200
* Analyze failure codes, don't fail on temporary failures.
Add analyze_smtp_reply().
Fixes #8.
Thomas Hochstein <thh@inter.net> Wed Jun 16 21:37:43 2010 +0200
checkmail 0.3
Version 0.3
* Add Changelog.
Thomas Hochstein <thh@inter.net> 2010-06-16 22:48:23 +0200
* Add documentation in POD format.
- Drop checkmail.readme
Thomas Hochstein <thh@inter.net> 2010-06-16 21:11:43 +0200
* Complete rewrite.
- use strict;
@ -72,8 +76,10 @@ checkmail 0.3
- batch processing: set exit status to highest generated value
Fixes #9.
Fixes #10.
Thomas Hochstein <thh@inter.net> 2010-06-16 21:11:23 +0200
checkmail 0.2
Version 0.2
* Initial check-in.
Thomas Hochstein <thh@inter.net> Wed Aug 3 22:00:00 2005 +0200

13
README.md
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@ -1,13 +0,0 @@
# checkmail
## Description
**checkmail** determines the mail server (or servers) responsible for the domain of the mail address (MXes); if none are available, it falls back on the host with the corresponding name (if available). It then establishes an SMTP connection and goes through the SMTP dialogue until just before an email is actually sent and checks whether mail to the recipient address would be accepted in principle. If desired, checkmail can also test sending to an address that is certainly invalid in order to check whether the replies from the recipient mail server are reliable at all or whether every recipient address is accepted (initially).
The sender of the apparent test email and the HELO parameter to be used can be configured in the script or passed as a parameter during the call.
Additional options can be used to check several addresses present in a text file, to display the complete SMTP dialogue or to force a connection to a specific mail server (instead of checking the relevant MXes).
## More information
Please see the [distribution page](https://th-h.de/net/software/checkmail/) (in German).

32
checkmail.pl
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@ -1,15 +1,15 @@
#! /usr/bin/perl -w
#
# checkmail
# checkmail Version 0.6.1 by Thomas Hochstein
#
# This script tries to verify the deliverability of (a) mail address(es).
#
# Copyright (c) 2002-2016 Thomas Hochstein <thh@thh.name>
# Copyright (c) 2002-2011 Thomas Hochstein <thh@inter.net>
#
# It can be redistributed and/or modified under the same terms under
# which Perl itself is published.
our $VERSION = "0.7 (unreleased)";
our $VERSION = "0.6.2";
################################# Configuration ################################
# Please fill in a working configuration!
@ -39,7 +39,7 @@ getopts('Vhqlrf:m:s:e:', \%options);
# -V: display version
if ($options{'V'}) {
print "$myself v $VERSION\nCopyright (c) 2002-2016 Thomas Hochstein <thh\@thh.name>\n";
print "$myself v $VERSION\nCopyright (c) 2010-2016 Thomas Hochstein <thh\@inter.net>\n";
print "This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.\n";
exit(100);
};
@ -154,23 +154,27 @@ sub gettargets {
# no MX record found; log and try A record(s)
} else {
print_dns_result($domain,'MX',undef,$resolver->errorstring,$logr);
print(" Falling back to A record(s) ...\n") if !($options{'q'});
print(" Falling back to A record ...\n") if !($options{'q'});
# get A record(s)
# may get CNAMEs instead ...
if (my $query = $resolver->query($domain,'A','IN')) {
print_dns_result($domain,'A/CNAME',$query->header->ancount,undef,$logr);
# save number of answers in a counter
my $acount = $query->header->ancount;
foreach my $rr ($query->answer) {
if ($rr->type ne 'A') {
# decrease counter if it's not an A record
$acount--;
# report CNAMEs and don't add them to target list
if ($rr->type eq 'CNAME') {
printf (" ~ '%s' is a CNAME for '%s' and will be resolved accordingly. \n",$rr->name,$rr->cname) if !($options{'q'});
$$logr .= sprintf("- CNAME resolved: %s -> %s\n",$rr->name,$rr->cname);
$$logr .= sprintf("CNAME resolved: %s -> %s\n",$rr->name,$rr->cname);
}
next;
}
$targets{$rr->address} = 0;
$$logr .= sprintf("- %s\n",$rr->address);
};
print_dns_result($domain,'A',$acount,undef,$logr);
# no A record found either; log and fail
} else {
print_dns_result($domain,'A',undef,$resolver->errorstring,$logr);
@ -611,23 +615,25 @@ The script itself.
=head1 BUGS
Please report any bugs or feature request to the author or use the
bug tracker at L<https://code.virtcomm.de/thh/checkmail/issues>!
bug tracker at L<http://bugs.th-h.de/>!
=head1 SEE ALSO
L<https://th-h.de/net/software/checkmail/> will have the current
L<http://th-h.de/download/scripts.php> will have the current
version of this program.
This program is maintained using the Git version control system at
L<https://code.virtcomm.de/thh/checkmail>.
This program is maintained using the Git version control system. You
may clone L<git://code.th-h.de/mail/checkmail.git> to check out the
current development tree or browse it on the web via
L<http://code.th-h.de/?p=mail/checkmail.git>.
=head1 AUTHOR
Thomas Hochstein <thh@thh.name>
Thomas Hochstein <thh@inter.net>
=head1 COPYRIGHT AND LICENSE
Copyright (c) 2002-2016 Thomas Hochstein <thh@thh.name>
Copyright (c) 2002-2010 Thomas Hochstein <thh@inter.net>
This program is free software; you may redistribute it and/or modify it
under the same terms as Perl itself.