Re: Sendmail and Virtual Domains

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On Tue, 21 Jul 2015, Andrea Venturoli wrote:

> Hello.
>
> I've been using Cyrus IMAP for years, but I'n now struggling with
> virtual domains for the first time.
> This is a new server, so there are no compatibility issues and I don't
> need a default domain.
> I've got most of it working, but I still have two questions...
>
>
>
> First, how to configure sendmail?
> Forgive me for my limited understanding, but the docs only briefly state:
>> You'll have to use the Cyrus mailer in LMTP mode, and you'll have to change the mailer flags so that it provides the full domain while communicating via LMTP. Specifically these changes:
>>
>> S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP
>
> I tried with "define(`CYRUSV2_MAILER_FLAGS',`S=EnvFromSMTP/HdrFromSMTP,
> R=EnvToSMTP')", but this does not work.
> Does this mean I need to modify cyrusv2.m4 (which I'd need to redo after
> every upgrade)?
> Right now I copied its content into my sendmail config file and modified
> it, but I don't feel this is a good solution...
> Any other way?

You might want to define new mailer. I have cyrusv2domain.cf, which does 
not strip away domain part of the email address.

1. Generate suitable sendmail.cf from sendmail.mc
I had to add these lines:
# FEATURE(`virtusertable')dnl
# VIRTUSER_DOMAIN_FILE(`MAIL_SETTINGS_DIR`'virtuser-domains')dnl
# FEATURE(`mailertable')dnl
# MAILER(`cyrusv2domain')dnl

2. Define the domain to mailertable.txt:
example.com cyrusv2domain:[localhost]

3. Define example.com as virtual-domain, by adding it to virtuser-domains
example.com

4. Add addresses or aliases to virtual user table.
firstname.lastname@xxxxxxxxxxx user@xxxxxxxxxxx

Some additional information can also be found at:
http://jmaimon.com/sendmail/anfi.homeunix.net/sendmail/#cyrus

> Second question: access to "Other Users" does not seem to work properly.
> I'm used to give any user access to any other user mailbox through
> cyradm's "sam" command, but in this case it seems this is not enough.
>
> I have:
>> lam user.xxx@xxxxxxxxxxx
>> xxx@xxxxxxxxxxx lrswipkxtecdan
>> myuser lrted
>
> However, logging in as "myuser" does not show xxx@xxxxxxxxxxx:
>> # telnet localhost imap
>> Trying ::1...
>> Trying 127.0.0.1...
>> Connected to localhost.
>> Escape character is '^]'.
>> * OK [CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE STARTTLS AUTH=SCRAM-SHA-1 AUTH=DIGEST-MD5 AUTH=CRAM-MD5 AUTH=NTLM AUTH=LOGIN AUTH=PLAIN SASL-IR] wilbur.aviozzano-guglielmozamboni.it Cyrus IMAP 2.5.4 server ready
>> . login myuser XXXXXXXXXXX
>> . OK [CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE ACL RIGHTS=kxten QUOTA MAILBOX-REFERRALS NAMESPACE UIDPLUS NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY CATENATE CONDSTORE ESEARCH SORT SORT=MODSEQ SORT=DISPLAY SORT=UID THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE ANNOTATE-EXPERIMENT-1 METADATA LIST-EXTENDED LIST-STATUS LIST-MYRIGHTS WITHIN QRESYNC SCAN XLIST XMOVE MOVE SPECIAL-USE CREATE-SPECIAL-USE URLAUTH URLAUTH=BINARY LOGINDISABLED COMPRESS=DEFLATE X-QUOTA=STORAGE X-QUOTA=MESSAGE X-QUOTA=X-ANNOTATION-STORAGE X-QUOTA=X-NUM-FOLDERS IDLE] User logged in SESSIONID=<wilbur.aviozzano-guglielmozamboni.it-14807-1437466138-1-2176882649663833723>
>> . LIST "Other Users" *
>> . OK Completed (0.000 secs)
>
> Why? How do I solve?
>
>
>
>  bye & Thanks
> 	av.
> ----
> Cyrus Home Page: http://www.cyrusimap.org/
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>

-- 
   Leena Heino              University of Tampere / Computer Centre
   ( liinu at uta.fi )      ( http://www.uta.fi/laitokset/tkk )
----
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