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| syno:dsm7inst [2026/09/28 20:05] – Bernard Condrau | syno:dsm7inst [2026/10/01 12:47] (current) – [Check MailPlus Server connectivity] Bernard Condrau | ||
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| ===== Check MailPlus Server connectivity ===== | ===== Check MailPlus Server connectivity ===== | ||
| * Use the following command from an external source and from within your LAN:< | * Use the following command from an external source and from within your LAN:< | ||
| - | * If external access works, but LAN access does not, then you are likely | + | * If external access works, but LAN access does not, then you have likely |
| + | * You can check this by accessing your SMTP Server from within your LAN by IP address instead of the mail domain name. | ||
| + | * Another good tool to check SMTP accessability is [[https:// | ||
| + | sudo apt install swaks | ||
| + | swaks --to recipient@example.com \ | ||
| + | --from sender@example.com \ | ||
| + | --server smtp.example.com \ | ||
| + | --port 587 \ | ||
| + | --tls \ | ||
| + | --auth LOGIN \ | ||
| + | --auth-user your_username \ | ||
| + | --auth-password your_password</ | ||
| + | * Make sure your web server who uses your SMTP Server will not get blocked by DSM or MailPlus Server. Go to //MailPlus Server --> Mail Delivery --> Security --> Block/Allow List// and //Control Panel --> Security --> Protection//, | ||
| + | |||
| + | ===== Developer Guide ===== | ||
| + | * [[https:// | ||
| + | * [[https:// | ||
| ==== Links ==== | ==== Links ==== | ||
| * [[https:// | * [[https:// | ||