[imp] Mail server closed the connection unexpectedly (solved by downgrading PHP)

[Gert Lynge]

>> I've done some digging and this is just to give some CONSTRUCTIVE support
to
>> other hitting the same problem: when I downgraded PHP from 5.4.33 to
5.4.32
>> everything worked again... And it works EVEN if you choose to use an old
>> perfectly working UW-IMAP ;-)...
>>
>> So I'll bet that PHP 5.4.33 introduced a regression in my setup somewhere
>> (or Horde is doing something wrong which did not cause problems until PHP
>> 5.4.33). But that is off cause just me jumping to conclusions without
>> investigating it properly ;-).

>https://bugs.php.net/bug.php?id=41631

Thank you for your professional answer. I'm sure you nailed it :-).
I'll try out Horde with PHP 5.4.35 as soon as PHP 5.4.35 is released...

Regards,
Gert Lynge