Applicable to:
- Plesk for Linux
Symptoms
-
Email messages are not delivered to a specific email address on Plesk
-
This error is logged to
/var/log/maillog
servername dovecot: service=lda, user=john.doe@example.com, ip=[]. sieve: msgid=20180923061540.Horde.zyLIfVJmZISHx3cXgJ9740t@webmail.example.com: marked message to be discarded if not explicitly delivered (discard action)
-
There's a filter in webmail, or
.sieve
file with discard directives inside the mailbox directory (e.g./var/qmail/mailnames/example.com/john.doe/sieve/
)Sieve Configuration Example# Blacklisted Addresses
...
if address :all :comparator "i;ascii-casemap" :is ["From", "Sender", "Resent-From"] ["john.doe1@example.org", "john.doe@example.com"] {
discard;
stop;
}# rule:[.]
if true
{
discard;
}
Cause
A custom filter is configured to discard messages to this specific recipient.
Resolution
Remove the discard rule in the webmail or command-line.
-
Log in to webmail
-
Find the custom filter:
- Roundcube: Settings > Filters
- Horde: Mail > Filters
-
Remove the rule
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