Re: lmtp server disconnects upon "RCPT TO" with internal error message

Hey there,

You're running into a trap. openssl s_client interprets the R from RCPT TO as the command for renegotiation. Just user rcpt to in lower case and it will work.

Best

Sven

Am 29.10.25 um 15:53 schrieb rmfuhrer--- via dovecot:

RCPT TO:<myuser@mydomain.net> RENEGOTIATING 8204750656:error:1404C042:SSL routines:ST_OK:called a function you should not call:/AppleInternal/Library/BuildRoots/4ff29661-3588-11ef-9513-e2437461156c/Library/Caches/com.apple.xbs/Sources/libressl/libressl-3.3/ssl/ssl_lib.c:2435: $