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Topic: Unable to send email to Gmail accounts

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.0 PGSQL edition
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: Ubuntu "20.04.4 LTS
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): PGSQL
- Web server (Apache or Nginx): NGINX
- Manage mail accounts with iRedAdmin-Pro? yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Apr  3 16:02:27 webmail postfix/smtp[3291605]: 4Pqjzk10s8z8B5b: to=<xxxxxx@gmail.com>, relay=gmail-smtp-in.l.google.com[172.217.194.26]:25, delay=1.6, delays=0.01/0.01/0.57/1.1, dsn=5.0.0, status=bounced (host gmail-smtp-in.l.google.com[172.217.194.26] said: 550 Requested action not taken: mailbox unavailable (in reply to end of DATA command))

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Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

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Re: Unable to send email to Gmail accounts

i'm encountering this problem lately where i'm unable send and mails to gmail account. but i have no issue receiving(incoming) emails from gmail.

Can anyone advice what could be the issue ?

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Re: Unable to send email to Gmail accounts

my.tomahawk wrote:

mailbox unavailable

Seems the recipient doesn't exist on Gmail server?

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Re: Unable to send email to Gmail accounts

my.tomahawk wrote:

i'm encountering this problem lately where i'm unable send and mails to gmail account.

What's the related Postfix log lines?

Also, please always create a new forum topic for your own issue.

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Re: Unable to send email to Gmail accounts

ZhangHuangbin wrote:
my.tomahawk wrote:

mailbox unavailable

Seems the recipient doesn't exist on Gmail server?

i've tried sending to my own gmail account, same issue.

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Re: Unable to send email to Gmail accounts

Can you send email TO other email hosting vendors? e.g. Hotmail, Outlook, or other self-hosted mail servers, etc.