STARTTLS Server SMTP with cleartext and STARTTLS client support
Published May 02, 2019
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Hi Sam,
I'm about to try implementing the SMTP iApp to achieve what your iRule is doing. Having now stumbled upon your article, my question is, does the iApp not provide this functionality? Did you try the iApp and failed to get your scenario working?
According to the documentation it appears the iApp should achieve this. I just took a look at the magic piece of the iApp (the SMTPS profile) and it seems to provide the configuration options for the opportunistic STARTTLS (i.e. STARTTLS Activation mode = None | Allow | Require)
Thanks,
Andrew