5.5.0550 5.5.0 Requested action not taken: mailbox unavailableThe recipient's<SMTP Address>domain is@hotmail.comor@outlook.comand it wasn't found by SMTP address lookup.Similar to 550 5.1.10. For more information, seeFix email delivery issues for error code 550 5.1.10 in Exchange Online....
Business email is an email address that uses a custom domain-based address (for example, your business email can be you@yourdomain.com). It’s used explicitly for business and professional communications and adds more credibility to your brand. With a business email, you get professional brandin...
只有Internet主机才有IP地址(仿真终端是没有的)。因此,可以使用host命令检查计算机是否与Internet直接连接。如使用host能测试出IP地址,说明该计算机是与Internet连接的。 如果指定的地址是未与Internet直接连接的计算机的。将看到: host not found host 命令并不适用于所有的计算机。如果你的系统没有host,请试一下nsloo...
In DNS Manager, select the forward lookup zone for the domain that contains the subdomain for SharePoint Server. Right-click the zone, and then select New Host (A or AAAA). In the New Host dialog, in the Name text box, enter the host or subdomain name for SharePoint Server. In the...
DreamHost email works with any domain name you own -- even if it's registered, hosted, or parked somewhere else. Email MONTHLY Powerful, yet simple, reliable email @ your domain, with no need to change your hosting plan! Starting at ...
1、提示信息:There are no DNS entries for the hostname, I cannot determine where to send this message. 退信原因:检索不到接收方域名的解析(MX记录)和域名解析(A记录)。 解决办法:检查接收方域名是否有效,且正确设置了解析(MX记录)或域名解析(A记录)。查询命令(dos或者命令行提示符下执行):Nslookup –q...
Perform checks (e.g., free email, disposable domain, etc) on an email address.Validate emailOperation ID: Validation Perform checks (e.g., free email, disposable domain, etc) on an email address. Parameters 展開表格 NameKeyRequiredTypeDescription Email email True string The email address to...
(e.g. "blacklist: 127.0.0.2" will do a blacklist lookup) CommandExplanation blacklist:Check IP or host for reputation smtp:Test mail server SMTP (port 25) mx:DNS MX records for domain a:DNS A record IP address for host name
Type: TXT Record | Host: @ | Value: v=spf1 include:spf.privateemail.com ~all | TTL: AutomaticType: TXT Record | Host: default._domainkey | Value: should be generated and copied in your Namecheap account by following these stepsNOTE: An SPF...
Geolocation – 地理定位IP (https://extreme-ip-lookup.com/) Threatcrowd – 有关IP信息 (https://github.com/AlienVault-OTX/ApiV2) VirusTotal – 有关IP信息 (https://www.virustotal.com/) 需要密钥 Domain: TLD – 获取顶级域赞助商 (https://raw.githubusercontent.com/mikewesthad/tld-data/master...