[Users] [Bug 3366] New: Bad recipient address syntax (SMTP RCPT TO)

[noreply at thewildbeast.co.uk]

http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3366

            Bug ID: 3366
           Summary: Bad recipient address syntax (SMTP RCPT TO)
    Classification: Unclassified
           Product: Claws Mail
           Version: 3.11.1
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: SMTP
          Assignee: users at lists.claws-mail.org
          Reporter: hagen_riedel at gmx.de

I am using Claws Mail version 3.11.1 with Debian GNU/Linux 8 (jessie).

When you add a recipient from address book it is composed from display name and
email address. E.g. "Xxxx Xxxxxx, XXXX Xxxxxxx" <xxxx.xxxxxx at xxxx-xxxxxxx.xx>
(for masking person data the command `sed "s/[A-Z]/X/g;s/[a-z]/x/g"` has been
applied).

It appeared that while address was completely displayed in the input field
after "To:" (in window "Compose message") smtp server complaint about syntax of
command "RCPT TO:<Xxxx Xxxxxx>". So the address part beginning with the comma
has been stripped. In compose window I manually deleted all characters before
and after the plain mail address (xxxx.xxxxxx at xxxx-xxxxxxx.xx) and subsequent
click on "Send message" succeeded.

I could not systematically reproduced this bug. The bug arose having three Cc
addresses defined. I assume the bug is caused by some editing (setting cursor,
copy and paste of address strings, changing address type from "Cc" to "To" and
similar). I did not use tab autocompletion from addressbook. There had been Cc
values with special characters (German Umlauts like ö) while "To" address
field in question just contained ascii characters.

Best regards,
Hagen Riedel

> [11:30:03] ESMTP< 235 2.7.0 Authentication successful
> [11:30:03] ESMTP> MAIL FROM:<xxx.xxx at xxx.de> SIZE=7451
> [11:30:03] SMTP< 250 2.1.0 Ok
> [11:30:03] SMTP> RCPT TO:<Xxxx Xxxxxx>
> [11:30:03] SMTP< 501 5.1.3 Bad recipient address syntax
> ** error occurred on SMTP session
> *** Error occurred while sending the message:
> 501 5.1.3 Bad recipient address syntax

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