How do I contact Videotron Postmaster and resolve bounce issues?

Email marketer from EmailOnAcid defines email bounces as messages that are rejected by a recipient's mail server and returned to the sender, often with a bounce code indicating the reason for failure.

Email marketer from MailerLite notes maintaining clean email lists and removing inactive or invalid email addresses can help reduce bounce rates and improve overall deliverability.

Email marketer from Litmus shares preventing bounces requires implementing proper email authentication (SPF, DKIM, DMARC), monitoring your sender reputation, managing your email list, and following email marketing best practices.

Email marketer from Mailjet explains to understand bounce types, distinguishing between hard bounces (permanent delivery failures) and soft bounces (temporary issues), and emphasizes cleaning your email list regularly to avoid hard bounces.

Email marketer from SendPulse discusses monitoring your sender reputation and IP address to identify any deliverability issues that might lead to bounces, and suggests implementing authentication methods like SPF, DKIM, and DMARC.

Email marketer from StackExchange shares that Postmaster contact should include clear identification, issue description, relevant logs (anonymized), and request for investigation - keep it polite and focused. Ensure your mail infrastructure is correctly configured and that you're not sending spam.

Email marketer from GlockApps notes to use deliverability testing tools to identify and fix issues that may cause bounces, such as poor email authentication, blacklisting, or content issues.

Email marketer from Email Geeks confirms that they were able to successfully get in touch via <mailto:abuse@videotron.ca|abuse@videotron.ca>.

Email marketer from Email Geeks explains that the bounce issue (``4.1.0 q3VMpDbC5P4quq3VMpnx1Z service temporarily unavailable AUP#EML-050``) was determined to be a recipient-side error corrected by the postmaster, restoring delivery.

Email marketer from Reddit explains that when contacting postmasters, be prepared to provide detailed information about the email you sent, the recipient's address, the bounce message you received, and any steps you've already taken to troubleshoot the issue.

Expert from Email Geeks shares that historically Videotron's abuse address (<mailto:abuse@videotron.ca|abuse@videotron.ca>) has been known to respond.

Expert from Spamresource details that decoding bounce messages requires understanding SMTP error codes and server responses to identify the cause of the delivery failure, such as a full mailbox or spam filtering.

Expert from Spamresource explains that contacting postmasters can be done via abuse@domain.com, postmaster@domain.com, or through the ISP's published contact methods, but responses aren't always guaranteed.

Expert from Word to the Wise states to fix reputation issues from spam complaints review your sending practices, suppress complainers, and ensure proper list hygiene; engage with postmasters to resolve blocks or throttling problems.

Documentation from AWS describes establishing a feedback loop with ISPs to receive bounce and complaint notifications, which helps in promptly identifying and addressing deliverability issues.

Documentation from RFC specifies 4xx error codes from the server, often indicating a transient issue on the recipient's side. These can include the recipient’s mailbox being over quota, network congestion, or a temporary server outage.

Documentation from SparkPost explains that bounce codes provide diagnostic information about why an email was not delivered, categorizing them as hard bounces (permanent failures) or soft bounces (temporary issues).

Documentation from Videotron outlines abuse reporting mechanisms on their network and provides <mailto:abuse@videotron.ca> as the email address to report issues.

Documentation from Microsoft Support that temporarily unavailable errors (such as those indicated by a 4.X.X series code) often mean the recipient's server is busy, has delivery limitations, or some other transient problem.

Documentation from Google describes how full mailboxes or the recipient server being offline/overloaded are common reasons for bounces, and suggest contacting the recipient directly to resolve some issues, or the receiving postmaster to discuss network issues.