Hi Folks,
I'm looking to implement a native email-sending feature in my framework. I
know this is a can of worms and it seems clear that there is no
one-size-fits-all solution (as explained in Mike Copeland's October 2013
post here). That being the case, how can I bullet-proof it as much as possible?
"Native" means I am trying to avoid use of third-party software as much as
possible. I'm working off Ken Sand's "Send SMTP Email" code on the Fox Wiki
(http://fox.wikis.com/wc.dll?Wiki~SendSmtpEmail#vfpsmtpken). This code
requires nothing except WinSock, which, I assume, is always available in
Windows. (It refers to a custom Base64 dll but I can use VFP STRCONV() for
that.)
This code works for me with my internal email server, which doesn't require
anything complicated in terms of authentication.
However, I can't get it to work with my external email provider, probably
because I don't understand how to implement the many permutations of the
SMTP AUTH command. Nor will the provider accept a TELNET connection so I
can experiment. I am wary of attempting various AUTH schemes and having the
provider disable my account as a result. In any case, users elsewhere are
not likely to use my email provider, so getting it to work with them isn't
going to move me forward very much.
So what are my options for an as-native-as-possible solution?
Is there better VFP-native SMTP sending code out there?
If not, has anyone come up with a suite of possible AUTH sequences that I
could integrate into this code, based on some kind of switching value? If
so, would you be willing to share it? And if so, what would that switching
value be?
Barring that, is there something I can specify for end-users to indicate
the likelihood (or lack thereof), that this feature can be made to work for
them? In other words, what does an end-user need to know about the
authorization requirements of an SMTP server that will comply with the very
basic capabilities of this code?
Thanks for any help.
Ken Dibble
www.stic-cil.org
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