What Is an SMTP Relay?

Overseas mail relay service (SMTP Relay Service) refers to the delivery of user mail to the recipient mail server through the global multi-link Smtp mail forwarding server without changing the user's mail address (sender), to achieve global mail Delivery, mail relay configuration is very simple, just configure it on the mail system and it will take effect in one minute. For example, Microsoft Exchange only needs to add a hub to transmit commands.

Mail relay

Right!

Overseas mail relay service (SMTP Relay Service) refers to the delivery of user mail to the recipient mail server through the global multi-link Smtp mail forwarding server without changing the user's mail address (sender), to achieve global mail Delivery,

Mail relay

Mail relay is mainly used to solve the problem of bounced emails. It is mainly for self-built mail systems, such as

1. Real-time detection of abused accounts and timely notification to administrators.
2. Provide outbound reports every day for easy understanding of daily outbound status.
Third, real-time check spam to ensure the security of the mail server.
Fourth, the Linux platform handles mail efficiently and guarantees immediate delivery of mail.

Exchange 2003 configuration relay

Open Exchange System Manager-> Click Management Group-> First Management Group-> Router-> First Router-> Connector-> Right click to create a new

1. RBL (real-time blocking blacklist) split mail server and overseas communications

2. Problems with international exports, high probability of failure of overseas TCP connections

3 The IP address is not set for reverse resolution or is included in the dynamic IP pool

4 Mail server settings and domain name resolution record settings are not in accordance with RFC international standards

1. Large foreign trade company.

2. Foreign-funded enterprises.

3. Large group companies.

4. Logistics industry.

Most of the existing mail operators are helpless with this problem or suggest that users should copy the content of the mail body into a WORD document and compress it into a RAR or ZIP file, and then send it as an attachment. However, this method still cannot solve the problem of sending and returning overseas mails. Because of the problem of international exports, many letters are sent through compression but are blocked before the content of the mail is sent.

The solution to all overseas mail delivery problems, whether it is receiving or sending, must physically establish an overseas server, and adopt encryption measures on the transmission between the overseas server and the domestic, in order to avoid international export problems. If there is no physical overseas server, or there is no effective encrypted mail transmission technology, fundamentally, the problem of overseas mail transmission cannot be solved. Operators provide overseas server and mail encryption transmission technology, which truly comprehensively and effectively solves the problem of overseas forwarding for users

Email relay and forwarding service advantages:

1) The SMTP relay service provides a secure, fast, reliable, and economical email delivery platform;

A: Optimize the transmission path and automatically route the transmission mail;

B: No need to manually adjust the path, provide the default path, but you can customize the mail transmission path; also directly try the overseas server forwarding address, convenient and quick;

C: Provide a backup forwarding server address, let your server freely choose the relay server address, and provide multiple guarantees.

3) Can be integrated with any mail system:

A: Windows platform: Exchange, Domino, Mdaemon, Winmail and other mail systems

B: Linux platform: Postfix, Qmail, Magicmail, Coremail, etc. mail system

4) Online uptime guarantee of server 24/7

5) And can customize mail port transmission to avoid ISP restrictions

6) All IP addresses do reverse address resolution service

7) Support static or dynamic IP (DSL, FiOS fiber, cable, etc.)

8) Support both inbound and outbound TLS (Transport Layer Security) information encryption

The mail relay service supports SSL / TLS encrypted transmission protocols.

9) Support DomainKey / DKIM signature

10) Support SPF records,

11) Notification of ISP feedback

12) Provide mail forwarding log and fault log query service

13) Mail server can also provide email forwarding verification based on authentication login / password

14) It also provides IP-based authentication, allowing all emails to be relayed from the IP of your choice to email servers without any authentication. Email without restrictions

15) Completely solve the problem of slow connection of overseas offices and branches to your local mail server, and provide overseas server mail relay service