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by JDunphy
Mon Jan 11, 2021 8:07 pm
Forum: Administrators
Topic: Another Letsencrypt method
Replies: 113
Views: 219571

Re: Another Letsencrypt method

It doesn't appear we have to do anything and they have backed off Jan 11 switch and have found a novel method to continue to support old android clients. Nutshell: A new intermediate will indirectly sign the current Let’s Encrypt intermediate certificate (R3). This ensures that clients that know the...
by JDunphy
Wed Dec 30, 2020 3:25 pm
Forum: Administrators
Topic: Routing Emails from internal domain to external domain
Replies: 5
Views: 1664

Re: Routing Emails from internal domain to external domain

Two ways...

1) you have a blank transport file you postmapped so no lookup matches
2) you remove the transport file location and only use the ldap entry
ie) zmprov ms `zmhostname` zimbraMtaTransportMaps 'proxy:ldap:/opt/zimbra/conf/ldap-transport.cf'
by JDunphy
Thu Dec 24, 2020 7:35 pm
Forum: Administrators
Topic: Another Letsencrypt method
Replies: 113
Views: 219571

Re: Another Letsencrypt method

With letsencrypt signing their own certificates beginning Jan 11, here is a link to a new feature that was added for acme.sh to support the preferred chain should anyone need to revert back to IdentTrust intermediate signed (very old android clients) or test early with the ISRG Root X1 signed before...
by JDunphy
Thu Dec 24, 2020 6:30 pm
Forum: Administrators
Topic: Routing Emails from internal domain to external domain
Replies: 5
Views: 1664

Re: Routing Emails from internal domain to external domain

Should be able to do this with transport maps. Not tested but it would go something like this. Note: put the transport file where you think it makes the most sense for you and call it what you want. Could be in ~zimbra/common/conf with modern versions of Zimbra since that is where main.cf and master...
by JDunphy
Fri Dec 04, 2020 5:42 pm
Forum: Administrators
Topic: Bug with firefox rendering some emails on 8.8.15 P16
Replies: 11
Views: 1489

Re: Bug with firefox rendering some emails on 8.8.15 P16

I have one of our web developers looking at the js now to see if we can come up with a quick fix. The quick fix is to restore /opt/zimbra/jetty/webapps/zimbra/js/MailCore_all.js and .zgz from P15. (and either flush browser cache, or bump zimbraCacheBusterVersion and restart mailboxd.) Thanks again ...
by JDunphy
Thu Dec 03, 2020 5:17 pm
Forum: Administrators
Topic: Bug with firefox rendering some emails on 8.8.15 P16
Replies: 11
Views: 1489

Re: Bug with firefox rendering some emails on 8.8.15 P16

Is OWASP enabled on this server? Yes OWASP is enabled. We don't think it's related however given that other browsers are able to display it correctly. It looks more like a bug related to browser incompatibilities when setting body style width for that iframe. I have one of our web developers lookin...
by JDunphy
Thu Dec 03, 2020 4:49 pm
Forum: Administrators
Topic: Bug with firefox rendering some emails on 8.8.15 P16
Replies: 11
Views: 1489

Re: Bug with firefox rendering some emails on 8.8.15 P16

All good info. Thanks for that.

This was reported and is being tracked as ZBUG-1998
by JDunphy
Wed Dec 02, 2020 11:10 pm
Forum: Administrators
Topic: Bug with firefox rendering some emails on 8.8.15 P16
Replies: 11
Views: 1489

Bug with firefox rendering some emails on 8.8.15 P16

Greetings, Some emails are no longer viewable after patch 16 when viewing with firefox that were previously viewable with patch 15. Safari and Chrome work as expected with patch 16. Zimbra will "containerize" the email to display it in an iframe but are botching the width for firefox. For ...
by JDunphy
Tue Nov 24, 2020 8:08 pm
Forum: Administrators
Topic: amavis is very slow to deliver messages
Replies: 4
Views: 798

Re: amavis is very slow to deliver messages

Hi JDunphy, To answer to your questions : 1- amavis is cpu-bound 2- messages are deferred 3- I did not set any rules 4- spamassassin --version gives : SpamAssassin version 3.4.2 running on perl 5.26.1 You need to update SA to 3.4.4 ... Ref: https://spamassassin.apache.org/news.html There are a few ...
by JDunphy
Mon Nov 23, 2020 4:31 pm
Forum: Administrators
Topic: amavis is very slow to deliver messages
Replies: 4
Views: 798

Re: amavis is very slow to deliver messages

A few questions: 1) Is the amavisd cpu bound? 2) Do the messages end up in the deferred queue after tim-eout or do they complete? 3) Do you have any custom rules? 4) What version of SA are you running (spamassassin --version) ... 3.4.4 is the default for 8.8.15 A few timeouts... $active_ttl is set f...

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