Re: Cannot connect to SMTP Server from Windows 8.1 Pro x64

Same problem here - Windows 7 Pro x64 with Perl 5.14.

Neither Email::Sender::Transport::SMTPS works, nor MIME::Lite with IO::Socket::SSL hack. The problem lies in some module (probably IO::Socket::IP, because Wireshark shows that Perl doesn't send a single packet to the email server and bails with above error.

Previously MIME::Lite+IO::Socket::SSL worked OK.

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Greetings

Comment on Re: Cannot connect to SMTP Server from Windows 8.1 Pro x64

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Re^2: Cannot connect to SMTP Server from Windows 8.1 Pro x64 by noxxi (Pilgrim) on Dec 14, 2016 at 18:21 UTC
`Net::SMTPS>>> Net::SMTPS(0.04) Net::SMTPS>>> IO::Socket::INET6(2.72) ... Net::SMTPS>>> Net::SMTP(3.06) Net::SMTPS>>> Net::Cmd(3.06) Net::SMTPS>>> IO::Socket::IP(0.37)` [download] This looks like a bad combination for me: Net::SMTPS has both IO::Socket::INET6 as its direct subclass and IO::Socket::IP as its indirect subclass. The first comes because Net::SMTPS uses IO::Socket::INET6 if available on the system and the latter comes from the IPv6 support builtin into the newer Net::SMTP which you have probably explicitly installed since 5.16 does not come with this newer version by default. And I imagine that this mix of two different IO::Socket modules for the same connection results in the problem. I would recommend instead to use either Net::SMTP directly which already supports SSL in the version you have installed or use the latest versions of both Net::SMTP and Email::Sender::Transport::SMTP (not SMTPS!) which combined offer the familiar interface you use and also offer SSL.	[reply] [d/l]

Replies are listed 'Best First'.

Re^2: Cannot connect to SMTP Server from Windows 8.1 Pro x64
by noxxi (Pilgrim) on Dec 14, 2016 at 18:21 UTC

Net::SMTPS>>> Net::SMTPS(0.04)
Net::SMTPS>>>   IO::Socket::INET6(2.72)
...
Net::SMTPS>>>   Net::SMTP(3.06)
Net::SMTPS>>>     Net::Cmd(3.06)
Net::SMTPS>>>     IO::Socket::IP(0.37)
[download]

This looks like a bad combination for me: Net::SMTPS has both IO::Socket::INET6 as its direct subclass and IO::Socket::IP as its indirect subclass. The first comes because Net::SMTPS uses IO::Socket::INET6 if available on the system and the latter comes from the IPv6 support builtin into the newer Net::SMTP which you have probably explicitly installed since 5.16 does not come with this newer version by default. And I imagine that this mix of two different IO::Socket modules for the same connection results in the problem.

I would recommend instead to use either Net::SMTP directly which already supports SSL in the version you have installed or use the latest versions of both Net::SMTP and Email::Sender::Transport::SMTP (not SMTPS!) which combined offer the familiar interface you use and also offer SSL.

[reply]
[d/l]