0
votes
0answers
10 views

spamass-milter and opendkim use tons of memory

I recently set up a mail server using postfix, dovecot, opendkim, spamassassin, and spamass-milter, and it works fine, but spamass-milter and opendkim are using lots of memory: Above: opendkim and ...
0
votes
1answer
1k views

AMaViS: missing X-Spam-Status header

I set up a mail server with Dovecot, Postfix and AMaViS on Debian Squeeze following the tutorial on workaround.org (ISPmail tutorial for Debian Squeeze). It uses virtual domains and stores the ...
0
votes
1answer
51 views

SpamAssassin Presets

We're currently migrating our mail from a manually administered RHEL box to a CPanel box, which I'm so excited about I will probably weep a little when it finally happens. As part of the migration, I ...
1
vote
1answer
77 views

How to whitelist a domain while blocking forgeries using that domain?

How do you deal with the case of: wanting to whitelist a domain so that emails from it won't get eaten, but not having emails forged to appear to be from that domain get bogusly whitelisted ...
0
votes
1answer
915 views

Any way I can send Spam to my mail perimeter in a controlled way for testing?

I just set up a Postfix/Procmail/SpamAssassin server but I am not convinced that it is really doing much filtering. I have gotten it to recognize the SpamAssassin special Spam code that produces a ...
6
votes
1answer
1k views

I need advices: small memory footprint linux mail server with spam filtering

I have a VPS which is originally destined to be a webserver but some minimal mail capabilities are needed to be deployed as well, including sending and receiving as standalone server. The current ...
3
votes
1answer
572 views

Quarantined mail retrieval from SpamAssassin/ClamAV/Postfix

We run a mail relay service in a multi tenant deployment for clients. We started doing this because commercially available relay services were silly money when compared to the costs of building one ...
5
votes
3answers
4k views

Why does gmail flag my server emails as spam?

I recently moved my server to a new slice at slicehost and since, gmail has been flagging my email as spam. I have added domain keys, created a SPF record, have reverse dns setup, and my ip is not ...
0
votes
1answer
150 views

Spamassassin filter mail with attachment

I would like to add a spamassassin rule based on if a message coming from a particular sender has an attachment or not. Is there a way to filter messages from a certain sender so that mails without ...
0
votes
1answer
51 views

Moving spam from filter to mail server

I was wondering if its possible to take messages quarantined by a Spamassassin box and move it to the users spam folder residing on an email server. In my case I would want to move mail from an ...
1
vote
1answer
143 views

Spamassassin does not work with virtual emails

I have a mailserver running with postfix/spamassassin/amavis/dovecot/mysql... under debian squeeze and all seems to work fine, except one thing: Email forwarder (virtual aliases) never gets scanned by ...
1
vote
3answers
587 views

how to stop outgoing email spam

running an email system using roundcube, with about 200 people using it. 99% of them do as they are told and only email clients they have already spoken to, however 1% of them decide to bulk spam bcc ...
3
votes
5answers
2k views

Best practices for mass email platform [duplicate]

I am in the process of setting up mass email service. My question is: what are the best practices to achieve maximum deliver-ability. More precisely - what should I do/know to prevent spam filters ...
1
vote
2answers
2k views

Rewrite Email Subject

Is there a way to rewrite a subject of an Email on the receiving MTA (presumably at the Spam Filtering stage). An example would be if giving Email accounts to young children where certain words need ...
0
votes
1answer
140 views

Most simple, easy to service and update DIY spam/virus filtering SMTP gateway

I run email for several companies, and I want to set up my own SMTP gateway to migrate their domains off hosted spam filtering services. I wanted an opinion from someone who actually runs email ...