[Bug 302635] New: "missing argument in EHLO command" reported at smtp mail send attempt

[J Appel]

https://bugs.kde.org/show_bug.cgi?id=302635

            Bug ID: 302635
          Severity: normal
           Version: 4.8.4
          Priority: NOR
          Assignee: kdepim-bugs at kde.org
           Summary: "missing argument in EHLO command" reported at smtp
                    mail send attempt
    Classification: Unclassified
                OS: Linux
          Reporter: synanceaverrucosa at abwesend.de
          Hardware: Archlinux Packages
            Status: NEW
         Component: general
           Product: kmail2

After trying to send an email per smtp, the server (strato) reported:

Failed to transport message. Unexpected server response to EHLO command. The
server responded: "missing argument in EHLO command"

Reproducible: Always

Steps to Reproduce:
1. compose email, sent over strato account
2. 
3.
Actual Results:  
server responds:

Failed to transport message. Unexpected server response to EHLO command. The
server responded: "missing argument in EHLO command"

Expected Results:  
sending the mail

thunderbird does not have any issues, until recently kmail didnt have any
either. I tried different versions of security (none / tls / ssl), didnt help.

strangely when I select in the smtp settings dialogue "server requires
authentication" each time I revisit the tab it is unchecked, while for my other
(working) accounts this remains checked.

I deleted the smtp account and entered new settings anew without being
successful in sending the mail, the error persists. Also the "server requires
authentication" box gets unchecked again.

I ll be happy to investigate when instructed

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