<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hallo,<div class=""><br class=""><div><blockquote type="cite" class=""><div class=""><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">wir haben den<br class="">reject_unverified_recipient im smtpd_recipient_restrictions = aktiviert:</div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><br class=""></div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">smtpd_recipient_restrictions = permit_mynetworks,<br class=""> reject_unknown_recipient_domain,<br class=""> reject_unknown_sender_domain,<br class=""> reject_unlisted_sender,<br class=""> reject_unlisted_recipient,<br class=""> reject_non_fqdn_recipient,<br class=""> reject_non_fqdn_sender,<br class=""> permit_sasl_authenticated,<br class=""> check_recipient_access hash:/etc/postfix/recipient_access_cpanel,<br class=""> check_recipient_access hash:/etc/postfix/recipient_access,<br class=""> check_policy_service unix:postgrey/socket,<br class=""> #deaktiviert 19.06.20 da: Recipient address rejected: unverified address: Address verification in progress;<br class=""> #reject_unverified_recipient,<br class=""> reject_unauth_destination</div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><br class=""></div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">Seit Jahren ohne Probleme.<br class="">Seit heute ca. 3 Uhr erhalten wir bei fast allen neuen Mails (es sind 9478 Einträge im log):</div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">cat /var/log/maillog |grep "Address verification in progress" |wc -l<br class=""><br class="">z.B.<br class=""> NOQUEUE: reject: RCPT from<span class="Apple-converted-space"> </span><a href="http://mail-lj1-f169.google.com/" class="">mail-lj1-f169.google.com</a>[209.85.208.169]:<br class="">450 4.1.1 <verschiedenste lokale mailadressen>: Recipient address rejected: unverified address: Address verification in progress; <br class=""><br class=""><br class="">Was kann der Grund dafür sein?<br class=""></div></div></blockquote><br class=""></div><div><a href="http://www.postfix.org/postconf.5.html#address_verify_poll_count" class="">http://www.postfix.org/postconf.5.html#address_verify_poll_count</a></div><div><br class=""></div><div>address_verify_poll_count (default: normal: 3, overload: 1)</div><div>Specify 1 to implement a crude form of greylisting, that is, always defer the first delivery request for a new address.</div><div><br class=""></div><div># postconf | egrep address_verify_poll<br class="">address_verify_poll_count = ${stress?{1}:{3}}<br class="">address_verify_poll_delay = 3s<br class=""><br class=""></div><div>Was sagen diese Werte und war das System unter Stress?</div><div><br class=""></div><div>Wie werden die Empfänger überprüft und klappt das manuell ohne Verzögerung?</div><div>Vielleicht gibt es Probleme mit einer Datenbank, einem weiteren Mailserver, Validierung über IMAP Server, RAID degraded, etc.</div><div><br class=""></div><div>Außerdem werden die Daten auch zwischengespeichert, siehe CACHE CONTROLS in <a href="http://www.postfix.org/verify.8.html" class="">http://www.postfix.org/verify.8.html</a></div><div>Da die verify_db schon gelöscht und postfix neu gestartet wurde, liegt das Problem vermutlich anderswo.</div><div><br class=""></div><div>Viele Grüße</div><div>Gerald Galster</div><br class=""></div></body></html>