[ZendTo] Using the IMAP auth and e-mails don't show up from users' address
Jules Field
Jules at Zend.To
Thu Nov 15 18:04:41 GMT 2018
Travis,
That code snippet will only be run if you have
'SMTPsetFromToSender' => TRUE,
in preferences.php.
The default is FALSE. What value are you using?
Cheers,
Jules.
On 01/11/2018 18:56, Travis Zimmerman wrote:
> I don't know if I'm reading this correctly but I think maybe the problem
> is having the two domains and this part of the code.
>
> // If the sender domain and the from domain are the same
> // (and not blank, which signifies something went wrong!),
> // we can safely overwrite the From we set above, without
> // causing SPF/DKIM/DMARC problems.
> if ($senderDomain !== '' &&
> strcasecmp($senderDomain, $fromDomain) == 0)
>
> Could a possible solution be to switch from a strcasecmp to substring
> test or maybe a regex testing if the $senderDomain is part of the end of
> the $fromDomain? Not sure if that would cause a SPF/DKIM/DMARC problem.
>
> endswith($fromDomain, $senderDomain);
>
> function endswith($from, $sender) {
> $fromlen = strlen($from);
> $senderlen = strlen($sender);
> if ($testlen > $strlen) return false;
> return substr_compare($from, $sender, $fromlen - $senderlen,
> $senderlen) === 0;
> }
>
> This is just a code snippet I googled up and haven't tested.
>
> -------------------------------------------------------------------
> Travis Zimmerman tzimmerman at fsu.edu 850-645-8030
> Linux Enterprise Applications & Systems its-linuxadmins at fsu.edu
> Information Technology Services, Florida State University
>
> On 11/1/18 12:33 PM, Travis Zimmerman via ZendTo wrote:
>> Yup, that's what I have authIMAPDomain set to already.
>>
>> -------------------------------------------------------------------
>> Travis Zimmerman tzimmerman at fsu.edu 850-645-8030
>> Linux Enterprise Applications & Systems its-linuxadmins at fsu.edu
>> Information Technology Services, Florida State University
>>
>> On 11/1/18 12:29 PM, Jules Field wrote:
>>> Travis,
>>>
>>> If the students enter their entire email address (username at my.fsu.edu)
>>> into the ZendTo login "username" box, then set
>>> 'authIMAPDomain' => '',
>>> in preferences.php.
>>>
>>> If they just enter their username, then something more subtle is
>>> happening which I will need to investigate further.
>>>
>>> Please let me know if that helps.
>>>
>>> Cheers,
>>> Jules.
>>>
>>> On 31/10/2018 20:56, Travis Zimmerman via ZendTo wrote:
>>>> I realized I should mention that we are using e-mail addresses to login
>>>> to our ZendTo service to differentiate between our two domains. Don't
>>>> know if that would effect how e-mails are sent. Doesn't seem to be a
>>>> problem for our faculty/staff (AD, username at fsu.edu), just the students
>>>> (IMAP, username at my.fsu.edu).
>>>>
>>>> -------------------------------------------------------------------
>>>> Travis Zimmerman tzimmerman at fsu.edu 850-645-8030
>>>> Linux Enterprise Applications & Systems its-linuxadmins at fsu.edu
>>>> Information Technology Services, Florida State University
>>>>
>>>> On 10/31/18 12:09 PM, Travis Zimmerman via ZendTo wrote:
>>>>> I tried to use my university's AD for the students (there is a previous
>>>>> e-mail I sent to the ZendTo mailing list about a week ago), but due to
>>>>> how our Microsoft Admins configured it they needed to use an alternate
>>>>> attribute.
>>>>>
>>>>> Yes. When I login to LDAP or AD and drop off a file, the e-mail sent to
>>>>> the recipient will show my e-mail address in the From field. If I login
>>>>> using the IMAP auth the From field lists the servers default e-mail
>>>>> from
>>>>> zendto.conf and the Reply-To field has the IMAP account's e-mail
>>>>> address.
>>>>>
>>>>> -------------------------------------------------------------------
>>>>> Travis Zimmerman tzimmerman at fsu.edu 850-645-8030
>>>>> Linux Enterprise Applications & Systems its-linuxadmins at fsu.edu
>>>>> Information Technology Services, Florida State University
>>>>>
>>>>> On 10/31/18 11:33 AM, Jules Field via ZendTo wrote:
>>>>>> Travis,
>>>>>>
>>>>>> If you are authenticating users against Office365, then why not do
>>>>>> that with AD?
>>>>>> I don't quite see why you need to use the IMAP authenticator at all.
>>>>>> If it's a separate AD forest for some reason, then that's okay, ZendTo
>>>>>> will happily do 3 different AD forests with independent setups.
>>>>>>
>>>>>> So "SMTPsetFromToSender'=>TRUE" works as expected if they login via
>>>>>> LDAP or AD, but doesn't if they login via IMAP?
>>>>>>
>>>>>> What we do here for the "From" address is use an address whose email
>>>>>> is just automatically trashed, ie. a "no-reply" address. Then
>>>>>> automated stuff that is replying (incorrectly) to the "From:" or
>>>>>> (validly/correctly) to the envelope sender will just be thrown away.
>>>>>> Any human-generated replies will go to the right user.
>>>>>>
>>>>>> Thanks for the info about the option you need to pass to O365. I guess
>>>>>> that's going to need yet another preferences.php setting.
>>>>>>
>>>>>> Cheers,
>>>>>> Jules.
>>>>>>
>>>>>> On 31/10/2018 14:49, Travis Zimmerman via ZendTo wrote:
>>>>>>> I configured the IMAP authentication to allow my university's
>>>>>>> students
>>>>>>> to login to our ZendTo server, but when they drop off files the From
>>>>>>> field is showing the e-mail address configured in zendto.conf
>>>>>>> instead of
>>>>>>> the student's address. The student's address ends up in the Reply-To
>>>>>>> field, which normally wouldn't be a problem except sometimes
>>>>>>> automated
>>>>>>> systems reply back to the drop off e-mails and they ignore the
>>>>>>> Reply-To.
>>>>>>>
>>>>>>> I have SMTPsetFromToSender => TRUE, users that login via LDAP or AD
>>>>>>> appear to work as expected.
>>>>>>>
>>>>>>> BTW I am using the IMAP authentication with Office365 and in order to
>>>>>>> get it to login correctly I had to change the imap_open line.
>>>>>>> $mbox = @imap_open('{'.$this->_imapServer.'}INBOX', $uname,
>>>>>>> $password,
>>>>>>> OP_READONLY,1,array('DISABLE_AUTHENTICATOR' => 'PLAIN'));
>>>>>>>
>>>>>>> So don't know if you want to add this to the documentation
>>>>>>> somewhere or
>>>>>>> incorporate into the NSSIMAPAuthenticator code.
>>>>>>>
>>>>>>> -------------------------------------------------------------------
>>>>>>> Travis Zimmerman tzimmerman at fsu.edu 850-645-8030
>>>>>>> Linux Enterprise Applications & Systems its-linuxadmins at fsu.edu
>>>>>>> Information Technology Services, Florida State University
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> ZendTo mailing list
>>>>>>> ZendTo at zend.to
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>>>>>>>
>>>>>>>
>>>>>> Jules
>>>>>>
>>>>> _______________________________________________
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>>>>>
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>>>>
>>> Jules
>>>
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Jules
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