Linux, programming and more
local_sender_blacklist
This is a onboard exim possibility to blacklist special addresses, its only a optional file which contains a list of envelope senders whose messages will be denied;
1 | 550-sender envelope address noreply@rustock.net is locally blacklisted here |
Example of content:
1 2 3 | cat /etc/exim4/local_sender_blacklist noreply@rustock.net parker.ball@freeemailservice.info |
Restart or reload of exim is not required.
Sometimes it’s interesting to test some MTA’s and their spam behavior, every mail system has his own spam behavior like SPAM_MARK_LEVEL or SPAM_REJECT_LEVEL.
If you send a mail with GTUBE string your mail should be rejected.
1 | rejected after DATA: This message scored 1000.0 spam points |
The GTUBE String to test spam rejection of mail servers:
1 | XJS*C4JDBQADN1.NSBN3*2IDNEN*GTUBE-STANDARD-ANTI-UBE-TEST-EMAIL*C.34X |