Well correct me if I’m wrong but to use Proofpoint’s “URLDefense” you have to be on their cloud in some way, and the reason I made it protocol aware was because then it doesn’t break the original message signatures etc.
Regards, Michelle > On 26 Sep 2026, at 16:38, Jaroslaw Rafa via mailop <[email protected]> wrote: > > Dnia 26.09.2026 o godz. 14:03:30 Michelle Sullivan via mailop pisze: >> >> https://mailbox.isux.net/_safelink?u=https%3A%2F%2Fwww.scorprox.com%2F&h=5bb6c24a5052b44003aa3f3c49dbd110&a=qM1w5krFliYnSFc59aZ0Be8yXQrBsJt0HBi4VuEsgu0MD41k > > Ah, so it doesn't work on SMTP side - doesn't rewrite links in messages when > they arrive to your mailbox, like for example Proofpoint's "URLDefense" does > - but processes the IMAP/POP3 client's connection and rewrites links on the > fly as the client retrieves the messages. > > Maybe it's only me, but I see marginal usage for this tool. There are many > other ways to access email messages residing on the server than IMAP/POP3. > Webmail systems can directly access the messages on server, bypassing the > IMAP middleman, as it is more effective, and email clients, especially in > corporate or mobile environments, can connect to a server using other > protocols (like MS Exchange/Outlook proprietary protocol, some kind of HTTP > REST API - especially in mobile applications - or even a SQL database > connection, in an environment where email server puts messages into a > database and the client running on employee's desktop retrieves them over > the corporate network, Lotus Domino style). > > I have the impression that usage of IMAP/POP3 is decreasing rapidly. > Individual, "casual" email users have mostly switched to webmail, mobile and > corporate users often use the proprietary options mentioned above. My view > is that IMAP (not speaking of POP3, which seems completely outdated) is > today used mostly by people who are tech-savvy enough to be aware of > phishing danger and careful of what they click on. Maybe I'm wrong, > however... > > Not speaking about the marginal old-school case when someone is reading the > email directly by ssh-ing to the server and running a console-mode email > client that accesses directly the message files in Maildirs, which is still > my preferred way of reading email :) > -- > Regards, > Jaroslaw Rafa > [email protected] > -- > "In a million years, when kids go to school, they're gonna know: once there > was a Hushpuppy, and she lived with her daddy in the Bathtub." > _______________________________________________ > mailop mailing list > [email protected] > https://mailbox.isux.net/_safelink?u=https%3A%2F%2Flist.mailop.org%2Flistinfo%2Fmailop&h=3b6b9b11943c7ea9e94cda472f10b36e&a=qM1w5krFliYnSFc59aZ0Be8yXQrBsJt0HBi4VuEsgu0MD41k _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
