>> I doubt Outlook servers are just sending random garbage out What, they cannot tell if the connection is encrypted or not because they've ignored the handshake result ?
Typical m$ . "Now you all align with what we say is right ... or else" ? On Thu, May 22, 2025 at 3:41 PM Cley Faye via mailop <mailop@mailop.org> wrote: > This may sound too simple, but isn't that just a garbled TLS handshake? A > case where the remote server is expecting IMAPS (IMAP over TLS, usually on > port 993) and is just starting the handshake while the IMAP server does not > handle it, and interpret everything as raw commands? > > What's shown in these logs does not look like the usual TLS handshake > converted to ASCII, but aside from that, I doubt Outlook servers are just > sending random garbage out. > > > Le jeu. 22 mai 2025 à 16:03, Nate Burke via mailop <mailop@mailop.org> a > écrit : > >> Has anyone had success getting the "New" Outlook to talk to an Icewarp >> Server? With both IMAP and POP3, my server records garbled IMAP/POP3 >> commands in the connection log from the Microsoft servers. And outlook >> just displays the generic 'Cannot log into server' error. >> >> I'm not looking to start a debate about the merits of MS proxying the >> connections through their servers. We're primarily an ISP who also >> offers Email, so I have no control over the end users software >> decisions. And this is affecting only a small number of my clients. >> For my clients using outlook, they have other accounts with O365, and >> want to just add their email account with me into their existing outlook >> instance. MS just forced them to upgrade to the "New" Outlook, which >> broke only the connections to my server. >> >> I've opened a ticket with Icewarp, but their reply was just that it was >> an MS problem, as they're sending bad commands. I know that the >> internet is full of IMAP/POP3 issues and the new outlook, but I was >> wondering if anyone has actually got it working with Icewarp. >> >> >> This is what's recorded in my IMAP log when outlook tries to >> authenticate an IMAP account. >> >> >> 52.96.64.245 [1184] 08:11:50 Connected >> 52.96.64.245 [1184] 08:11:50 >>> * OK IceWarp Epos Update 1 build 11 >> IMAP4rev1 Thu, 27 Mar 2025 08:11:50 -0500 >> 52.96.64.245 [1184] 08:11:50 <<< ‹~H…â§Óˆj‘eƒÀ‡ƒB3ùœ#¯â'c|s€à²² >> _ ÜØ Ê!1bs(Û½"·|ãM( u3¬j4œ: (À0À/À(À'À,À+À$À#ÀÀÀ >> 52.96.64.245 [1184] 08:11:50 >>> ‹~H…â§Óˆj‘eƒÀ‡ƒB3ùœ#¯â'c|s€à²² BAD >> No such command as "_ ÜØ Ê!1bs(Û½"·|ãM( u3¬j4œ:" >> 52.96.64.245 [1184] 08:11:50 <<< À œ = < 5 / >> >> 52.96.64.245 [1184] 08:11:50 >>> * BAD Command unknown >> 52.96.64.245 [1184] 08:11:50 Disconnected >> 40.97.127.205 [1184] 08:11:52 Connected >> 40.97.127.205 [1184] 08:11:52 >>> * OK IceWarp Epos Update 1 build 11 >> IMAP4rev1 Thu, 27 Mar 2025 08:11:52 -0500 >> 40.97.127.205 [1184] 08:11:52 <<< { wÞ-‘xN‚<ÊDzd úm¢JwZdô«†§Ÿ#Ui …Hé§z >> 40.97.127.205 [1184] 08:11:52 >>> + Go ahead >> 40.97.127.205 [1184] 08:11:52 >>> { wÞ-‘xN‚<ÊDzd úm¢JwZdô«†§Ÿ#Ui BAD >> No such command as "…Hé§z" >> 40.97.127.205 [1184] 08:11:52 <<< ôPq<Çö$•†)fºcûm› ~ „b >> À0À/À(À'À,À+À$À# >> >> 40.97.127.205 [1184] 08:11:52 >>> * BAD Command unknown >> 40.97.127.205 [1184] 08:11:52 Disconnected >> >> >> >> Nate Burke >> >> Blast Communications >> >> >> _______________________________________________ >> mailop mailing list >> mailop@mailop.org >> https://list.mailop.org/listinfo/mailop >> > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop > -- -- Paulo Azevedo
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