[horde] Horde6-beta: Error when sending mail

[Ralf Lang]

I have reproduced this issue but it only happens when the "Identity" from
preferences does not contain an email address.
https://github.com/horde/imp/pull/34


On Sat, Apr 18, 2026 at 4:42 PM Mike <barjunk at attglobal.net> wrote:

>
> When sending mail to barjunk at attglobal.net I get this error.
>
> Apr 18 08:45:33 ubuntu HORDE[6589]: [imp] ValueError: idn_to_ascii():
> Argument #1 ($domain) must not be empty in
> /var/www/horde6-beta/vendor/horde/idna/lib/Horde/Idna.php:49
> Apr 18 08:45:33 ubuntu HORDE[6589]: Stack trace:
> Apr 18 08:45:33 ubuntu HORDE[6589]: #0
> /var/www/horde6-beta/vendor/horde/idna/lib/Horde/Idna.php(49):
> idn_to_ascii()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #1
> /var/www/horde6-beta/vendor/horde/mail/lib/Horde/Mail/Rfc822/Address.php(141):
>
> Horde_Idna::encode()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #2
> /var/www/horde6-beta/vendor/horde/mail/lib/Horde/Mail/Rfc822/Address.php(168):
>
> Horde_Mail_Rfc822_Address->__get()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #3
> /var/www/horde6-beta/vendor/horde/mail/lib/Horde/Mail/Rfc822/Object.php(68):
>
> Horde_Mail_Rfc822_Address->_writeAddress()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #4
> /var/www/horde6-beta/vendor/horde/mail/lib/Horde/Mail/Rfc822/List.php(238):
>
> Horde_Mail_Rfc822_Object->writeAddress()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #5
> /var/www/horde6-beta/vendor/horde/mail/lib/Horde/Mail/Rfc822/Object.php(68):
>
> Horde_Mail_Rfc822_List->_writeAddress()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #6
> /var/www/horde6-beta/vendor/horde/mime/lib/Horde/Mime/Headers/Addresses.php(166):
>
> Horde_Mail_Rfc822_Object->writeAddress()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #7
> /var/www/horde6-beta/vendor/horde/mime/lib/Horde/Mime/Headers/Addresses.php(133):
>
> Horde_Mime_Headers_Addresses::doSendEncode()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #8
> /var/www/horde6-beta/vendor/horde/mime/lib/Horde/Mime/Headers/Element.php(99):
>
> Horde_Mime_Headers_Addresses->_sendEncode()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #9
> /var/www/horde6-beta/vendor/horde/mime/lib/Horde/Mime/Headers.php(139):
> Horde_Mime_Headers_Element->sendEncode()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #10
> /var/www/horde6-beta/vendor/horde/mime/lib/Horde/Mime/Part.php(1613):
> Horde_Mime_Headers->toArray()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #11
> /var/www/horde6-beta/vendor/horde/imp/lib/Compose.php(1391):
> Horde_Mime_Part->send()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #12
> /var/www/horde6-beta/vendor/horde/imp/lib/Compose.php(880):
> IMP_Compose->sendMessage()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #13
> /var/www/horde6-beta/vendor/horde/imp/lib/Ajax/Application/Handler/Common.php(538):
>
> IMP_Compose->buildAndSendMessage()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #14
> /var/www/horde6-beta/vendor/horde/core/lib/Horde/Core/Ajax/Application.php(177):
>
> IMP_Ajax_Application_Handler_Common->sendMessage()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #15
> /var/www/horde6-beta/vendor/horde/horde/services/ajax.php(64):
> Horde_Core_Ajax_Application->doAction()
> Apr 18 08:45:33 ubuntu HORDE[6589]: #16
> /var/www/horde6-beta/web/horde/services/ajax.php(3): require_once('...')
> Apr 18 08:45:33 ubuntu HORDE[6589]: #17 {main} [pid 6589 on line 78 of
> "/var/www/horde6-beta/vendor/horde/core/lib/Horde/ErrorHandler.php"]
>
> Sending to this does work with horde alpha.
>
> Using horde/imp 7beta3
>
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