Hi. I noticed that Dovecot SMTP submission agent complains about Exim's PIPE_CONNECT:
Oct 16 10:32:32 pippi dovecot: submission(simon)<111236><8poyJ3TOeNEgAQmxQaz/ANGknOU4qRZw>: Warning: smtp-client: conn pippi.sjd.se:25 (127.0.1.1:25) [1]: Received invalid EHLO response line: Unexpected character in EHLO keyword It was discussed on the dovecot list before: https://dovecot.org/pipermail/dovecot/2020-September/119854.html Should the specification and Exim be fixed here? It seems '_' is not permitted by RFC 5321. /Simon
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