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<body style="font: 10pt/normal Segoe UI; font-size-adjust: none; font-stretch: normal;"><div class="GroupWiseMessageBody" id="GroupWiseSection_1667404965000_Daniel.Fischer@seele.com_0F23E78118F70000818E001185C16B56_"><div><div>Hello,</div><div><br></div><div><div>we want to use check_smtp to check an email delivery for an internal SMTP server. Several commands and responses were specified for this. Unfortunately, a timeout occurs. After checking the source code (Git), a response is obviously expected for each command. When transferring DATA with several lines (required), the timeout occurs due to missing response till closing the data transfer with ".".</div><div><br></div><div>Can this be fixed/worked around? Is there an alternative approach that could work around the problem?</div></div><div><br></div></div><div><strong>Commands</strong></div><div>HELO seele.com</div><div>MAIL FROM:<check@seele.com></div><div>RCPT TO:<james@seele.com></div><div>DATA</div><div>Subject: Testmail Jame</div><div>From: <check@seele.com></div><div>To: <james@seele.com></div><div>Inhalt</div><div>.</div><div><br></div><div><strong>Responses</strong></div><div>250</div><div>250</div><div>250</div><div>354</div><div>null</div><div>null</div><div>null</div><div>null</div><div>250</div><div><br></div><div>(null is not posible)</div><div><br></div></div><div><div><span id="GWPasted1"><strong>Screenshot<div><span><span id="GWPasted2"><img src="cid:VKMVHOIVWYBN.GW_00001.png"></span></span></div></strong><div><br></div></span><div><br></div></div><span></span></div><div><div><strong>Command</strong></div><div><span id="GWPasted4"><span style="text-align: left; color: rgb(255, 255, 255); text-transform: none; text-indent: 0px; letter-spacing: 0.5px; font-family: Lato, Roboto, Helvetica, Arial, sans-serif; font-size: 12px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; background-color: rgb(32, 39, 46); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">check_mk_active-smtp!'-e' '220' '-p' 25 '-4' '-C' 'HELO seele.com' '-C' 'MAIL FROM:<check@seele.com>' '-C' 'RCPT TO:<james@seele.com>' '-C' 'DATA' '-C' 'Subject: Testmail James' '-C' 'From: <check@seele.com>' '-C' 'To: <james@seele.com>' '-C' 'Inhalt' '-C' '.' '-R' '250' '-R' '250' '-R' '250' '-R' '354' '-R' 'null' '-R' 'null' '-R' 'null' '-R' 'null' '-R' '250' '-H' '$_HOSTADDRESS_4$'</span></span></div><div><br></div><div><span id="GWPasted3"><span id="GWPasted1">Can you please help us with this issue?</span></span></div><div><span><span><br></span></span></div><div><span><span>Best Regards</span></span></div><div><span><span><br></span></span></div><div><span><span><br></span></span></div><span><span></span></span></div><div><span><span></span></span><div><span id="GWPasted5"><table style="width: 500px; font-family: Arial,sans-serif; font-size: 10pt; border-collapse: collapse;"><tbody><tr><td><br>i.A. Daniel Fischer<br>Teamleiter Softwareentwicklung <br><br><br></td></tr><tr><td><table style="width: 300px; font-family: Arial,sans-serif; font-size: 10pt; border-collapse: collapse;"><tbody><tr><td style="width: 60px;">Telefon:</td><td><a href="tel:+498212494174">+49 821 2494 - 174</a></td></tr><tr><td>Fax:</td><td><a href="tel:+498212494930">+49 821 2494 - 930</a></td></tr></tbody></table></td></tr><tr><td><br><a style="color: rgb(0, 0, 0); text-decoration: none;" href="mailto:daniel.fischer@seele.com">daniel.fischer@seele.com</a></td></tr><tr><td><a style="color: rgb(0, 0, 0); text-decoration: none;" href="http://www.seele.com/" target="_blank">www.seele.com</a></td></tr><tr><td><br><br>seele GmbH, Gutenbergstraße 19, 86368 Gersthofen, Deutschland</td></tr><tr><td><div class="GwIntegrationInfo"></div></td></tr><tr><td><table style="border-collapse: collapse;"><tbody><tr><td style="height: 25px;"> </td></tr><tr><td style="width: 44px;"><a 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</a> </td></tr><tr><td style="height: 25px;"> </td></tr></tbody></table></td></tr><tr><td style="font-family: Arial, sans-serif; font-size: 8pt;">Registered in HRB Augsburg No. 25584 Jurisdiction Augsburg<br>Managing Director: Andreas Hafner <br>Certified on DIN EN ISO 9001, DIN EN ISO 14001 and DIN EN ISO 50001<br><a href="https://seele.com/de/datenschutzinformation/" target="_blank">Datenschutzinformation</a> </td></tr></tbody></table><div></div></span><br></div></div></body></html>