April 28, 2020

DNS Error: failed to get host address info, gai_error 8

If your MacOSX/iOS Swift application gets this error in the Chilkat LastErrorText: smtpSocketConnect: socket2Connect: connect2: connectImplicitSsl: connectSocket: connect_ipv6_or_ipv4: getAddressInfo: Failed to get host address info. (4) gai_error: 8 hostOrIpAddr: smtp.gmail.com port: 465 –getAddressInfo getAddressInfo failed. –connect_ipv6_or_ipv4 –connectSocket –connectImplicitSsl ConnectFailReason: DNS lookup failed –connect2 –socket2Connect The solution is to enable the Outgoing Connections option in your Swift project.

Uncategorized 0 19 sec read
June 21, 2011

Example: How to Create an Email DSN (Delivery Status Notification)

ASP: Create DSN (Delivery Status Notification) Email SQL Server: Create DSN (Delivery Status Notification) Email C#: Create DSN (Delivery Status Notification) Email C++: Create DSN (Delivery Status Notification) Email Objective-C: Create DSN (Delivery Status Notification) Email IOS: Create DSN (Delivery Status Notification) Email PowerShell: Create DSN (Delivery Status Notification) Email MFC: Create DSN (Delivery Status Notification) Email C: Create DSN […]

Uncategorized 0 45 sec read
February 23, 2009

Matching Bounce/DSN with Original Sent Email

Question: Given that bounced email / DSN’s may not include the original headers, if I need to uniquely identify that the specific email didn’t make it to the recipient is there any way I can uniquely ID the email? I would use this info to know when to resend the email. Answer: Sometimes you’ll receive bounces that conform to DSN […]

Uncategorized 0 1 min read
May 7, 2008

Service Extension for Delivery Status Notifications (DSNs)

Chilkat’s email component supports the SMTP DSN extensions (RFC 3461). The MailMan object includes these properties specific to RFC 3461: DsnEnvid: (An SMTP DSN service extension feature) An arbitrary string that will be used as the ENVID property when sending email. See RFC 3461 for more details. DsnNotify: (An SMTP DSN service extension feature) A string that will be used […]

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