Smtp server q&a webinar
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Transcript of Smtp server q&a webinar
![Page 1: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/1.jpg)
SMTP Server Q&A
How SMTP server works
![Page 2: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/2.jpg)
Agenda
• How SMTP server works?• Setting up for receiving• Setting up for sending• What is RBL (DNSBL) and how it works?• How SMTP server checks incoming message?• Avoiding spam traps
![Page 3: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/3.jpg)
How SMTP server works
![Page 4: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/4.jpg)
Setting up server for receiving
1. Set up SMTP server2. Set up static IP on the server computer3. Check your routers to make sure port 25 is
open4. Make sure your external (router) IP is static5. Point all IP addresses for MX records of all
domains you want to control to your static IP address
![Page 5: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/5.jpg)
1. Static IP on server PC
![Page 6: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/6.jpg)
2. Check external routers
![Page 7: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/7.jpg)
4. Set up DNS zone file with MX record
![Page 8: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/8.jpg)
Setting up server for sending
1. Perform 1-5 above2. Add reverse DNS (PTR) lookup (ask your ISP)3. Add SPF4. Make sure your external IP is not listed in RBL
![Page 9: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/9.jpg)
What is reverse DNS check
![Page 10: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/10.jpg)
Check your reverse DNS
![Page 11: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/11.jpg)
How SPF records are checked
![Page 12: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/12.jpg)
Setting up SPF records
![Page 13: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/13.jpg)
How RBL verification works
![Page 14: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/14.jpg)
How to check your IP in RBL servers
![Page 15: Smtp server q&a webinar](https://reader033.fdocuments.us/reader033/viewer/2022060111/556412e8d8b42a0d0c8b538c/html5/thumbnails/15.jpg)
SMTP server checks